diff --git a/editor/animation/animation_blend_space_2d_editor.cpp b/editor/animation/animation_blend_space_2d_editor.cpp
index e65235c234..4e0a2af2b8 100644
--- a/editor/animation/animation_blend_space_2d_editor.cpp
+++ b/editor/animation/animation_blend_space_2d_editor.cpp
@@ -42,14 +42,11 @@
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/animation/animation_blend_tree.h"
-#include "scene/animation/animation_player.h"
 #include "scene/gui/button.h"
 #include "scene/gui/check_box.h"
 #include "scene/gui/grid_container.h"
 #include "scene/gui/line_edit.h"
-#include "scene/gui/menu_button.h"
 #include "scene/gui/option_button.h"
-#include "scene/gui/panel.h"
 #include "scene/gui/panel_container.h"
 #include "scene/gui/rich_text_label.h"
 #include "scene/gui/separator.h"
diff --git a/editor/animation/animation_library_editor.cpp b/editor/animation/animation_library_editor.cpp
index 55b16ce973..e37b465d88 100644
--- a/editor/animation/animation_library_editor.cpp
+++ b/editor/animation/animation_library_editor.cpp
@@ -30,6 +30,7 @@
 
 #include "animation_library_editor.h"
 
+#include "core/io/config_file.h"
 #include "core/io/resource_loader.h"
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
diff --git a/editor/animation/animation_library_editor.h b/editor/animation/animation_library_editor.h
index 9a4f35abf5..a55047111b 100644
--- a/editor/animation/animation_library_editor.h
+++ b/editor/animation/animation_library_editor.h
@@ -30,7 +30,6 @@
 
 #pragma once
 
-#include "core/io/config_file.h"
 #include "core/templates/vector.h"
 #include "editor/plugins/editor_plugin.h"
 #include "scene/animation/animation_mixer.h"
diff --git a/editor/animation/animation_player_editor_plugin.h b/editor/animation/animation_player_editor_plugin.h
index ffc001783f..40ac7133c1 100644
--- a/editor/animation/animation_player_editor_plugin.h
+++ b/editor/animation/animation_player_editor_plugin.h
@@ -36,9 +36,7 @@
 #include "editor/plugins/editor_plugin.h"
 #include "scene/animation/animation_player.h"
 #include "scene/gui/dialogs.h"
-#include "scene/gui/slider.h"
 #include "scene/gui/spin_box.h"
-#include "scene/gui/texture_button.h"
 #include "scene/gui/tree.h"
 #include "scene/resources/material.h"
 
diff --git a/editor/animation/animation_tree_editor_plugin.cpp b/editor/animation/animation_tree_editor_plugin.cpp
index 59c77b435f..db8c451fdd 100644
--- a/editor/animation/animation_tree_editor_plugin.cpp
+++ b/editor/animation/animation_tree_editor_plugin.cpp
@@ -45,6 +45,7 @@
 #include "scene/animation/animation_blend_tree.h"
 #include "scene/gui/button.h"
 #include "scene/gui/margin_container.h"
+#include "scene/gui/panel_container.h"
 #include "scene/gui/rich_text_label.h"
 #include "scene/gui/scroll_container.h"
 #include "scene/gui/separator.h"
diff --git a/editor/animation/animation_tree_editor_plugin.h b/editor/animation/animation_tree_editor_plugin.h
index 66fff2b059..dc5790b191 100644
--- a/editor/animation/animation_tree_editor_plugin.h
+++ b/editor/animation/animation_tree_editor_plugin.h
@@ -33,10 +33,11 @@
 #include "editor/docks/editor_dock.h"
 #include "editor/plugins/editor_plugin.h"
 #include "scene/animation/animation_tree.h"
-#include "scene/gui/graph_edit.h"
+#include "scene/gui/box_container.h"
 
 class Button;
 class EditorFileDialog;
+class PanelContainer;
 class ScrollContainer;
 class RichTextLabel;
 
diff --git a/editor/debugger/debug_adapter/debug_adapter_parser.cpp b/editor/debugger/debug_adapter/debug_adapter_parser.cpp
index cd8ec70139..b8c64c4643 100644
--- a/editor/debugger/debug_adapter/debug_adapter_parser.cpp
+++ b/editor/debugger/debug_adapter/debug_adapter_parser.cpp
@@ -36,7 +36,6 @@
 #include "editor/debugger/editor_debugger_node.h"
 #include "editor/debugger/script_editor_debugger.h"
 #include "editor/export/editor_export.h"
-#include "editor/export/editor_export_platform.h"
 #include "editor/run/editor_run_bar.h"
 #include "editor/script/script_editor_plugin.h"
 
diff --git a/editor/debugger/debugger_editor_plugin.cpp b/editor/debugger/debugger_editor_plugin.cpp
index cf27dde5ef..75f4b9b19a 100644
--- a/editor/debugger/debugger_editor_plugin.cpp
+++ b/editor/debugger/debugger_editor_plugin.cpp
@@ -39,7 +39,6 @@
 #include "editor/editor_node.h"
 #include "editor/run/run_instances_dialog.h"
 #include "editor/script/script_editor_plugin.h"
-#include "editor/settings/editor_command_palette.h"
 #include "editor/settings/editor_settings.h"
 #include "scene/gui/popup_menu.h"
 
diff --git a/editor/debugger/editor_profiler.cpp b/editor/debugger/editor_profiler.cpp
index 0258c68ef4..9ecd588260 100644
--- a/editor/debugger/editor_profiler.cpp
+++ b/editor/debugger/editor_profiler.cpp
@@ -32,7 +32,7 @@
 
 #include "core/io/image.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/string/translation_server.h"
 #include "editor/editor_string_names.h"
 #include "editor/run/editor_run_bar.h"
@@ -40,6 +40,7 @@
 #include "editor/themes/editor_scale.h"
 #include "scene/gui/check_box.h"
 #include "scene/gui/flow_container.h"
+#include "scene/gui/label.h"
 #include "scene/resources/image_texture.h"
 
 void EditorProfiler::_make_metric_ptrs(Metric &m) {
diff --git a/editor/debugger/editor_profiler.h b/editor/debugger/editor_profiler.h
index 28e4c4d83f..32d8a84ca8 100644
--- a/editor/debugger/editor_profiler.h
+++ b/editor/debugger/editor_profiler.h
@@ -33,7 +33,6 @@
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/check_button.h"
-#include "scene/gui/label.h"
 #include "scene/gui/option_button.h"
 #include "scene/gui/spin_box.h"
 #include "scene/gui/split_container.h"
diff --git a/editor/debugger/editor_visual_profiler.cpp b/editor/debugger/editor_visual_profiler.cpp
index 942e6a4fc0..80a525c40d 100644
--- a/editor/debugger/editor_visual_profiler.cpp
+++ b/editor/debugger/editor_visual_profiler.cpp
@@ -32,13 +32,14 @@
 
 #include "core/io/image.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/string/translation_server.h"
 #include "editor/editor_string_names.h"
 #include "editor/run/editor_run_bar.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/gui/flow_container.h"
+#include "scene/gui/label.h"
 #include "scene/resources/image_texture.h"
 
 void EditorVisualProfiler::set_hardware_info(const String &p_cpu_name, const String &p_gpu_name) {
diff --git a/editor/debugger/editor_visual_profiler.h b/editor/debugger/editor_visual_profiler.h
index b4a8b1a661..f79e08b808 100644
--- a/editor/debugger/editor_visual_profiler.h
+++ b/editor/debugger/editor_visual_profiler.h
@@ -33,7 +33,6 @@
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/check_box.h"
-#include "scene/gui/label.h"
 #include "scene/gui/option_button.h"
 #include "scene/gui/spin_box.h"
 #include "scene/gui/split_container.h"
diff --git a/editor/doc/doc_tools.cpp b/editor/doc/doc_tools.cpp
index ae8688fb00..36e08c4d53 100644
--- a/editor/doc/doc_tools.cpp
+++ b/editor/doc/doc_tools.cpp
@@ -46,9 +46,6 @@
 #include "scene/resources/theme.h"
 #include "scene/theme/theme_db.h"
 
-// Used for a hack preserving Mono properties on non-Mono builds.
-#include "modules/modules_enabled.gen.h" // For mono.
-
 static String _get_indent(const String &p_text) {
 	String indent;
 	bool has_text = false;
diff --git a/editor/doc/editor_help.h b/editor/doc/editor_help.h
index 114062f4b4..9d1b26a8ba 100644
--- a/editor/doc/editor_help.h
+++ b/editor/doc/editor_help.h
@@ -36,7 +36,6 @@
 #include "scene/gui/dialogs.h"
 #include "scene/gui/popup.h"
 #include "scene/gui/rich_text_label.h"
-#include "scene/gui/split_container.h"
 #include "scene/gui/text_edit.h"
 #include "scene/main/timer.h"
 
diff --git a/editor/doc/editor_help_search.cpp b/editor/doc/editor_help_search.cpp
index 1e07b564d4..fe30b336f2 100644
--- a/editor/doc/editor_help_search.cpp
+++ b/editor/doc/editor_help_search.cpp
@@ -41,7 +41,6 @@
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "editor/themes/editor_theme_manager.h"
-#include "scene/gui/line_edit.h"
 #include "scene/gui/margin_container.h"
 #include "servers/display/display_server.h"
 
diff --git a/editor/docks/editor_dock.cpp b/editor/docks/editor_dock.cpp
index 293444b132..09b174582c 100644
--- a/editor/docks/editor_dock.cpp
+++ b/editor/docks/editor_dock.cpp
@@ -31,7 +31,6 @@
 #include "editor_dock.h"
 
 #include "core/input/shortcut.h"
-#include "core/io/config_file.h"
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
 #include "editor/docks/dock_tab_container.h"
diff --git a/editor/docks/editor_dock_manager.cpp b/editor/docks/editor_dock_manager.cpp
index f273e9ee81..47826a2c8f 100644
--- a/editor/docks/editor_dock_manager.cpp
+++ b/editor/docks/editor_dock_manager.cpp
@@ -31,7 +31,7 @@
 #include "editor_dock_manager.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/docks/dock_tab_container.h"
 #include "editor/docks/editor_dock.h"
 #include "editor/editor_node.h"
@@ -42,6 +42,7 @@
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/label.h"
+#include "scene/gui/popup_menu.h"
 #include "scene/gui/split_container.h"
 #include "scene/gui/tab_container.h"
 #include "scene/main/window.h"
diff --git a/editor/docks/history_dock.cpp b/editor/docks/history_dock.cpp
index 7301de3664..ac81ee212b 100644
--- a/editor/docks/history_dock.cpp
+++ b/editor/docks/history_dock.cpp
@@ -36,7 +36,6 @@
 #include "editor/editor_string_names.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/settings/editor_command_palette.h"
-#include "editor/settings/editor_settings.h"
 #include "scene/gui/check_box.h"
 #include "scene/gui/item_list.h"
 
diff --git a/editor/docks/import_dock.cpp b/editor/docks/import_dock.cpp
index 36dade9959..cfd7b953a0 100644
--- a/editor/docks/import_dock.cpp
+++ b/editor/docks/import_dock.cpp
@@ -31,11 +31,13 @@
 #include "import_dock.h"
 
 #include "core/config/project_settings.h"
+#include "core/io/resource_importer.h"
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/editor_undo_redo_manager.h"
+#include "editor/file_system/editor_file_system.h"
 #include "editor/inspector/editor_resource_preview.h"
 #include "editor/settings/editor_command_palette.h"
 #include "editor/settings/editor_settings.h"
diff --git a/editor/docks/import_dock.h b/editor/docks/import_dock.h
index 109ff14ff3..fddaed080b 100644
--- a/editor/docks/import_dock.h
+++ b/editor/docks/import_dock.h
@@ -31,9 +31,7 @@
 #pragma once
 
 #include "core/io/config_file.h"
-#include "core/io/resource_importer.h"
 #include "editor/docks/editor_dock.h"
-#include "editor/file_system/editor_file_system.h"
 #include "editor/inspector/editor_inspector.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/dialogs.h"
diff --git a/editor/docks/inspector_dock.h b/editor/docks/inspector_dock.h
index 55eff2a4f1..3a6fd3bc4f 100644
--- a/editor/docks/inspector_dock.h
+++ b/editor/docks/inspector_dock.h
@@ -34,7 +34,6 @@
 #include "editor/editor_data.h"
 #include "editor/gui/create_dialog.h"
 #include "editor/inspector/editor_inspector.h"
-#include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/line_edit.h"
diff --git a/editor/editor_log.cpp b/editor/editor_log.cpp
index 699f8d57cc..f2ba71bd74 100644
--- a/editor/editor_log.cpp
+++ b/editor/editor_log.cpp
@@ -46,7 +46,6 @@
 #include "editor/settings/editor_command_palette.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
-#include "modules/regex/regex.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/flow_container.h"
 #include "scene/gui/separator.h"
diff --git a/editor/export/editor_export.cpp b/editor/export/editor_export.cpp
index 66910a3c27..d4d02788fe 100644
--- a/editor/export/editor_export.cpp
+++ b/editor/export/editor_export.cpp
@@ -30,10 +30,9 @@
 
 #include "editor_export.h"
 
-#include "core/config/project_settings.h"
 #include "core/io/config_file.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/settings/editor_settings.h"
 #include "scene/main/timer.h"
 
diff --git a/editor/export/editor_export_platform.cpp b/editor/export/editor_export_platform.cpp
index 09087cdca0..f5514eb679 100644
--- a/editor/export/editor_export_platform.cpp
+++ b/editor/export/editor_export_platform.cpp
@@ -41,11 +41,12 @@
 #include "core/io/image.h"
 #include "core/io/image_loader.h"
 #include "core/io/resource_uid.h"
+#include "core/io/zip_io.h"
 #include "core/math/random_pcg.h"
 #include "core/object/class_db.h"
 #include "core/os/os.h"
 #include "core/os/shared_object.h"
-#include "core/string/translation_server.h"
+#include "core/string/translation.h"
 #include "core/version.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
diff --git a/editor/export/editor_export_platform.h b/editor/export/editor_export_platform.h
index 918cb42624..540fe56cdc 100644
--- a/editor/export/editor_export_platform.h
+++ b/editor/export/editor_export_platform.h
@@ -30,13 +30,13 @@
 
 #pragma once
 
-#include "core/io/zip_io.h"
 #include "core/os/process_id.h"
 #include "editor/export/editor_export_preset.h"
 
 class DirAccess;
 class EditorExportPlugin;
 class EditorFileSystemDirectory;
+class FileAccess;
 class Image;
 class Node;
 class RichTextLabel;
@@ -44,6 +44,8 @@ class Texture2D;
 struct EditorProgress;
 struct SharedObject;
 
+typedef void *zipFile;
+
 const String ENV_SCRIPT_ENCRYPTION_KEY = "GODOT_SCRIPT_ENCRYPTION_KEY";
 
 class EditorExportPlatform : public RefCounted {
diff --git a/editor/export/editor_export_platform_apple_embedded.cpp b/editor/export/editor_export_platform_apple_embedded.cpp
index 57eccb9238..2f9db30283 100644
--- a/editor/export/editor_export_platform_apple_embedded.cpp
+++ b/editor/export/editor_export_platform_apple_embedded.cpp
@@ -30,27 +30,31 @@
 
 #include "editor_export_platform_apple_embedded.h"
 
-#include "core/io/json.h"
+#include "core/io/file_access.h"
 #include "core/io/plist.h"
-#include "core/object/callable_mp.h"
+#include "core/io/zip_io.h"
 #include "core/os/os.h"
-#include "core/os/process_id.h"
 #include "core/string/translation_server.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/export/editor_export.h"
-#include "editor/export/lipo.h"
-#include "editor/export/macho.h"
-#include "editor/file_system/editor_paths.h"
 #include "editor/import/resource_importer_texture_settings.h"
-#include "editor/script/script_editor_plugin.h"
 #include "editor/themes/editor_scale.h"
 #include "main/main.h"
 #include "servers/display/display_server.h"
 
-#include "modules/modules_enabled.gen.h" // For mono.
+#include "modules/modules_enabled.gen.h" // IWYU pragma: keep. For mono.
 #include "modules/svg/image_loader_svg.h"
 
+#ifdef MACOS_ENABLED
+#include "core/io/json.h"
+#include "core/object/callable_mp.h"
+#include "core/os/process_id.h"
+#include "editor/file_system/editor_paths.h"
+#include "editor/script/script_editor_plugin.h"
+#include "editor/settings/editor_settings.h"
+#endif
+
 void EditorExportPlatformAppleEmbedded::get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) const {
 	// Vulkan and OpenGL ES 3.0 both mandate ETC2 support.
 	r_features->push_back("etc2");
diff --git a/editor/export/editor_export_platform_apple_embedded.h b/editor/export/editor_export_platform_apple_embedded.h
index d41be858f4..b0d4e3f1f5 100644
--- a/editor/export/editor_export_platform_apple_embedded.h
+++ b/editor/export/editor_export_platform_apple_embedded.h
@@ -34,19 +34,15 @@
 
 #include "core/config/project_settings.h"
 #include "core/io/dir_access.h"
-#include "core/io/file_access.h"
-#include "core/io/image_loader.h"
-#include "core/io/marshalls.h"
-#include "core/io/resource_saver.h"
-#include "core/io/zip_io.h"
 #include "core/templates/safe_refcount.h"
 #include "editor/export/editor_export_platform.h"
-#include "editor/settings/editor_settings.h"
-#include "main/splash.gen.h"
 #include "scene/resources/image_texture.h"
 
 #include <sys/stat.h>
+
+#ifdef MACOS_ENABLED
 #include <functional>
+#endif
 
 // Optional environment variables for defining confidential information. If any
 // of these is set, they will override the values set in the credentials file.
diff --git a/editor/export/editor_export_platform_pc.cpp b/editor/export/editor_export_platform_pc.cpp
index 17515b3d38..b9c7f716c1 100644
--- a/editor/export/editor_export_platform_pc.cpp
+++ b/editor/export/editor_export_platform_pc.cpp
@@ -32,9 +32,10 @@
 
 #include "core/config/project_settings.h"
 #include "core/io/dir_access.h"
+#include "core/io/file_access.h"
 #include "core/os/os.h"
 #include "core/os/shared_object.h"
-#include "scene/resources/image_texture.h"
+#include "scene/resources/image_texture.h" // IWYU pragma: keep. Misdetection of `logo`.
 
 void EditorExportPlatformPC::get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) const {
 	if (p_preset->get("texture_format/s3tc_bptc")) {
diff --git a/editor/export/gdextension_export_plugin.h b/editor/export/gdextension_export_plugin.h
index 56fc389a36..c80b7c5b3d 100644
--- a/editor/export/gdextension_export_plugin.h
+++ b/editor/export/gdextension_export_plugin.h
@@ -31,7 +31,7 @@
 #pragma once
 
 #include "core/extension/gdextension_library_loader.h"
-#include "editor/export/editor_export.h"
+#include "editor/export/editor_export_plugin.h"
 
 class GDExtensionExportPlugin : public EditorExportPlugin {
 	GDSOFTCLASS(GDExtensionExportPlugin, EditorExportPlugin);
diff --git a/editor/export/project_zip_packer.cpp b/editor/export/project_zip_packer.cpp
index 4e4639b107..5e09a5dbd0 100644
--- a/editor/export/project_zip_packer.cpp
+++ b/editor/export/project_zip_packer.cpp
@@ -33,8 +33,10 @@
 #include "core/config/project_settings.h"
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
+#include "core/io/zip_io.h"
 #include "core/os/os.h"
 #include "core/os/time.h"
+#include "core/string/ustring.h"
 
 String ProjectZIPPacker::get_project_zip_safe_name() {
 	// Name the downloaded ZIP file to contain the project name and download date for easier organization.
diff --git a/editor/export/project_zip_packer.h b/editor/export/project_zip_packer.h
index c66d793f67..1fbbd86790 100644
--- a/editor/export/project_zip_packer.h
+++ b/editor/export/project_zip_packer.h
@@ -30,8 +30,9 @@
 
 #pragma once
 
-#include "core/io/zip_io.h"
-#include "core/variant/variant.h"
+class String;
+
+typedef void *zipFile;
 
 class ProjectZIPPacker {
 	static void _zip_file(const String &p_path, const String &p_base_path, zipFile p_zip);
diff --git a/editor/file_system/dependency_editor.cpp b/editor/file_system/dependency_editor.cpp
index 0195261c1b..5631fb4a9d 100644
--- a/editor/file_system/dependency_editor.cpp
+++ b/editor/file_system/dependency_editor.cpp
@@ -34,7 +34,7 @@
 #include "core/io/file_access.h"
 #include "core/io/resource_loader.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
diff --git a/editor/gui/editor_dir_dialog.cpp b/editor/gui/editor_dir_dialog.cpp
index 475723f61f..93936109f7 100644
--- a/editor/gui/editor_dir_dialog.cpp
+++ b/editor/gui/editor_dir_dialog.cpp
@@ -31,7 +31,7 @@
 #include "editor_dir_dialog.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/docks/filesystem_dock.h"
 #include "editor/file_system/editor_file_system.h"
 #include "editor/gui/directory_create_dialog.h"
diff --git a/editor/gui/editor_file_dialog.cpp b/editor/gui/editor_file_dialog.cpp
index dd5286ac51..ef7927d020 100644
--- a/editor/gui/editor_file_dialog.cpp
+++ b/editor/gui/editor_file_dialog.cpp
@@ -31,13 +31,14 @@
 #include "editor_file_dialog.h"
 
 #include "core/config/project_settings.h"
-#include "core/object/class_db.h"
 #include "core/os/os.h"
 #include "editor/docks/filesystem_dock.h"
-#include "editor/editor_string_names.h"
 #include "editor/file_system/dependency_editor.h"
 #include "editor/settings/editor_settings.h"
-#include "editor/themes/editor_scale.h"
+
+#ifndef DISABLE_DEPRECATED
+#include "core/object/class_db.h"
+#endif
 
 void EditorFileDialog::_item_menu_id_pressed(int p_option) {
 	// Use dependency dialog to delete the entry in the editor, but only for project files.
diff --git a/editor/gui/editor_object_selector.cpp b/editor/gui/editor_object_selector.cpp
index 2dba594f2b..94d758e845 100644
--- a/editor/gui/editor_object_selector.cpp
+++ b/editor/gui/editor_object_selector.cpp
@@ -34,6 +34,7 @@
 #include "editor/editor_data.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
+#include "scene/gui/box_container.h"
 #include "scene/gui/margin_container.h"
 
 Size2 EditorObjectSelector::get_minimum_size() const {
diff --git a/editor/gui/editor_object_selector.h b/editor/gui/editor_object_selector.h
index 7e7ace034c..a08da5ebbf 100644
--- a/editor/gui/editor_object_selector.h
+++ b/editor/gui/editor_object_selector.h
@@ -30,7 +30,6 @@
 
 #pragma once
 
-#include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/label.h"
 #include "scene/gui/popup_menu.h"
diff --git a/editor/gui/editor_quick_open_dialog.cpp b/editor/gui/editor_quick_open_dialog.cpp
index 2cd6d35aa7..4c7745fd11 100644
--- a/editor/gui/editor_quick_open_dialog.cpp
+++ b/editor/gui/editor_quick_open_dialog.cpp
@@ -38,7 +38,6 @@
 #include "editor/docks/filesystem_dock.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
-#include "editor/editor_undo_redo_manager.h"
 #include "editor/file_system/editor_file_system.h"
 #include "editor/file_system/editor_paths.h"
 #include "editor/gui/editor_toaster.h"
diff --git a/editor/gui/editor_title_bar.cpp b/editor/gui/editor_title_bar.cpp
index 772106ad05..6e15c9abe5 100644
--- a/editor/gui/editor_title_bar.cpp
+++ b/editor/gui/editor_title_bar.cpp
@@ -32,6 +32,7 @@
 
 #include "core/object/callable_mp.h"
 #include "scene/main/scene_tree.h"
+#include "scene/main/window.h"
 #include "servers/display/display_server.h"
 
 void EditorTitleBar::gui_input(const Ref<InputEvent> &p_event) {
diff --git a/editor/gui/editor_title_bar.h b/editor/gui/editor_title_bar.h
index 0041c0fe4a..d0f77e25e2 100644
--- a/editor/gui/editor_title_bar.h
+++ b/editor/gui/editor_title_bar.h
@@ -31,7 +31,6 @@
 #pragma once
 
 #include "scene/gui/box_container.h"
-#include "scene/main/window.h"
 
 class EditorTitleBar : public HBoxContainer {
 	GDCLASS(EditorTitleBar, HBoxContainer);
diff --git a/editor/gui/touch_actions_panel.cpp b/editor/gui/touch_actions_panel.cpp
index d5e7801461..a2017eb706 100644
--- a/editor/gui/touch_actions_panel.cpp
+++ b/editor/gui/touch_actions_panel.cpp
@@ -32,7 +32,6 @@
 
 #include "core/input/input.h"
 #include "core/object/callable_mp.h"
-#include "editor/editor_string_names.h"
 #include "editor/settings/editor_settings.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
diff --git a/editor/gui/window_wrapper.cpp b/editor/gui/window_wrapper.cpp
index 07f0f2c9d0..e95b03fec0 100644
--- a/editor/gui/window_wrapper.cpp
+++ b/editor/gui/window_wrapper.cpp
@@ -31,7 +31,7 @@
 #include "window_wrapper.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/gui/progress_dialog.h"
diff --git a/editor/gui/window_wrapper.h b/editor/gui/window_wrapper.h
index e3ca68d61a..dfe585ac26 100644
--- a/editor/gui/window_wrapper.h
+++ b/editor/gui/window_wrapper.h
@@ -31,11 +31,12 @@
 #pragma once
 
 #include "core/math/rect2.h"
+#include "scene/gui/button.h"
 #include "scene/gui/margin_container.h"
-#include "scene/gui/menu_button.h"
 
-class Window;
 class HBoxContainer;
+class Popup;
+class Window;
 
 class WindowWrapper : public MarginContainer {
 	GDCLASS(WindowWrapper, MarginContainer);
diff --git a/editor/import/dynamic_font_import_settings.cpp b/editor/import/dynamic_font_import_settings.cpp
index 73c5de94b7..394fd930eb 100644
--- a/editor/import/dynamic_font_import_settings.cpp
+++ b/editor/import/dynamic_font_import_settings.cpp
@@ -39,7 +39,6 @@
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/file_system/editor_file_system.h"
-#include "editor/gui/editor_file_dialog.h"
 #include "editor/inspector/editor_inspector.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
diff --git a/editor/import/resource_importer_bmfont.cpp b/editor/import/resource_importer_bmfont.cpp
index 0c7fe8b205..b8ddf84233 100644
--- a/editor/import/resource_importer_bmfont.cpp
+++ b/editor/import/resource_importer_bmfont.cpp
@@ -32,6 +32,8 @@
 
 #include "core/io/config_file.h"
 #include "core/io/resource_saver.h"
+#include "scene/resources/font.h"
+#include "servers/text/text_server.h"
 
 String ResourceImporterBMFont::get_importer_name() const {
 	return "font_data_bmfont";
diff --git a/editor/import/resource_importer_bmfont.h b/editor/import/resource_importer_bmfont.h
index 871d893d6e..402f7d216a 100644
--- a/editor/import/resource_importer_bmfont.h
+++ b/editor/import/resource_importer_bmfont.h
@@ -31,8 +31,6 @@
 #pragma once
 
 #include "core/io/resource_importer.h"
-#include "scene/resources/font.h"
-#include "servers/text/text_server.h"
 
 class ResourceImporterBMFont : public ResourceImporter {
 	GDCLASS(ResourceImporterBMFont, ResourceImporter);
diff --git a/editor/import/resource_importer_image.h b/editor/import/resource_importer_image.h
index b5fbd411bd..d690d807df 100644
--- a/editor/import/resource_importer_image.h
+++ b/editor/import/resource_importer_image.h
@@ -30,7 +30,6 @@
 
 #pragma once
 
-#include "core/io/image.h"
 #include "core/io/resource_importer.h"
 
 class ResourceImporterImage : public ResourceImporter {
diff --git a/editor/import/resource_importer_imagefont.cpp b/editor/import/resource_importer_imagefont.cpp
index 9181ca836a..b361738013 100644
--- a/editor/import/resource_importer_imagefont.cpp
+++ b/editor/import/resource_importer_imagefont.cpp
@@ -32,6 +32,8 @@
 
 #include "core/io/image_loader.h"
 #include "core/io/resource_saver.h"
+#include "scene/resources/font.h"
+#include "servers/text/text_server.h"
 
 String ResourceImporterImageFont::get_importer_name() const {
 	return "font_data_image";
diff --git a/editor/import/resource_importer_imagefont.h b/editor/import/resource_importer_imagefont.h
index 3ef86c1764..a1ac1c52de 100644
--- a/editor/import/resource_importer_imagefont.h
+++ b/editor/import/resource_importer_imagefont.h
@@ -31,8 +31,6 @@
 #pragma once
 
 #include "core/io/resource_importer.h"
-#include "scene/resources/font.h"
-#include "servers/text/text_server.h"
 
 class ResourceImporterImageFont : public ResourceImporter {
 	GDCLASS(ResourceImporterImageFont, ResourceImporter);
diff --git a/editor/import/resource_importer_texture.cpp b/editor/import/resource_importer_texture.cpp
index d103d238be..da01ef73f1 100644
--- a/editor/import/resource_importer_texture.cpp
+++ b/editor/import/resource_importer_texture.cpp
@@ -33,9 +33,7 @@
 #include "core/config/project_settings.h"
 #include "core/io/config_file.h"
 #include "core/io/image_loader.h"
-#include "core/version.h"
 #include "editor/file_system/editor_file_system.h"
-#include "editor/gui/editor_toaster.h"
 #include "editor/import/resource_importer_texture_settings.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
diff --git a/editor/import/resource_importer_wav.cpp b/editor/import/resource_importer_wav.cpp
index 1abaf6dd22..365dea1f42 100644
--- a/editor/import/resource_importer_wav.cpp
+++ b/editor/import/resource_importer_wav.cpp
@@ -31,6 +31,7 @@
 #include "resource_importer_wav.h"
 
 #include "core/io/resource_saver.h"
+#include "scene/resources/audio_stream_wav.h"
 
 String ResourceImporterWAV::get_importer_name() const {
 	return "wav";
diff --git a/editor/import/resource_importer_wav.h b/editor/import/resource_importer_wav.h
index ba51db615b..28f431b770 100644
--- a/editor/import/resource_importer_wav.h
+++ b/editor/import/resource_importer_wav.h
@@ -31,7 +31,6 @@
 #pragma once
 
 #include "core/io/resource_importer.h"
-#include "scene/resources/audio_stream_wav.h"
 
 class ResourceImporterWAV : public ResourceImporter {
 	GDCLASS(ResourceImporterWAV, ResourceImporter);
diff --git a/editor/inspector/editor_inspector.cpp b/editor/inspector/editor_inspector.cpp
index 0c543c955e..b59c20111c 100644
--- a/editor/inspector/editor_inspector.cpp
+++ b/editor/inspector/editor_inspector.cpp
@@ -35,7 +35,7 @@
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
 #include "core/os/keyboard.h"
-#include "core/variant/typed_dictionary.h"
+#include "core/variant/typed_dictionary.h" // IWYU pragma: keep. For EditorDebuggerRemoteObjects.
 #include "editor/debugger/editor_debugger_inspector.h"
 #include "editor/debugger/editor_debugger_node.h"
 #include "editor/doc/doc_tools.h"
diff --git a/editor/inspector/editor_resource_preview.cpp b/editor/inspector/editor_resource_preview.cpp
index e61ce81b43..167363619c 100644
--- a/editor/inspector/editor_resource_preview.cpp
+++ b/editor/inspector/editor_resource_preview.cpp
@@ -36,7 +36,6 @@
 #include "core/io/resource_saver.h"
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
-#include "core/os/main_loop.h"
 #include "core/os/os.h"
 #include "core/variant/variant_utility.h"
 #include "editor/editor_node.h"
diff --git a/editor/plugins/editor_plugin_settings.cpp b/editor/plugins/editor_plugin_settings.cpp
index 1deaa3e5eb..02faf1898f 100644
--- a/editor/plugins/editor_plugin_settings.cpp
+++ b/editor/plugins/editor_plugin_settings.cpp
@@ -39,7 +39,6 @@
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/themes/editor_scale.h"
-#include "scene/gui/margin_container.h"
 #include "scene/gui/separator.h"
 #include "scene/gui/texture_rect.h"
 #include "scene/gui/tree.h"
diff --git a/editor/plugins/editor_resource_conversion_plugin.cpp b/editor/plugins/editor_resource_conversion_plugin.cpp
index b113b8c224..349a75a75d 100644
--- a/editor/plugins/editor_resource_conversion_plugin.cpp
+++ b/editor/plugins/editor_resource_conversion_plugin.cpp
@@ -30,7 +30,7 @@
 
 #include "editor_resource_conversion_plugin.h"
 
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `GDVIRTUAL_BIND` macro.
 
 void EditorResourceConversionPlugin::_bind_methods() {
 	GDVIRTUAL_BIND(_converts_to);
diff --git a/editor/plugins/plugin_config_dialog.cpp b/editor/plugins/plugin_config_dialog.cpp
index 6f3c90f5e0..122a150330 100644
--- a/editor/plugins/plugin_config_dialog.cpp
+++ b/editor/plugins/plugin_config_dialog.cpp
@@ -33,7 +33,7 @@
 #include "core/io/config_file.h"
 #include "core/io/dir_access.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/object/script_language.h"
 #include "editor/editor_node.h"
 #include "editor/file_system/editor_file_system.h"
diff --git a/editor/plugins/plugin_config_dialog.h b/editor/plugins/plugin_config_dialog.h
index 1e1218fe44..b213bdcbce 100644
--- a/editor/plugins/plugin_config_dialog.h
+++ b/editor/plugins/plugin_config_dialog.h
@@ -30,7 +30,6 @@
 
 #pragma once
 
-#include "scene/gui/check_box.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/line_edit.h"
 #include "scene/gui/option_button.h"
diff --git a/editor/project_manager/engine_update_label.cpp b/editor/project_manager/engine_update_label.cpp
index a48008b1bf..26617e0c7a 100644
--- a/editor/project_manager/engine_update_label.cpp
+++ b/editor/project_manager/engine_update_label.cpp
@@ -32,7 +32,7 @@
 
 #include "core/io/json.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "core/version.h"
 #include "editor/editor_string_names.h"
diff --git a/editor/project_manager/project_dialog.cpp b/editor/project_manager/project_dialog.cpp
index cb20a11475..028ec1faba 100644
--- a/editor/project_manager/project_dialog.cpp
+++ b/editor/project_manager/project_dialog.cpp
@@ -34,7 +34,7 @@
 #include "core/io/dir_access.h"
 #include "core/io/zip_io.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "core/version.h"
 #include "editor/editor_node.h"
diff --git a/editor/project_manager/project_list.cpp b/editor/project_manager/project_list.cpp
index dd628ae511..c8b6d1d794 100644
--- a/editor/project_manager/project_list.cpp
+++ b/editor/project_manager/project_list.cpp
@@ -34,7 +34,7 @@
 #include "core/input/input.h"
 #include "core/io/dir_access.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "core/os/time.h"
 #include "core/version.h"
diff --git a/editor/project_manager/quick_settings_dialog.cpp b/editor/project_manager/quick_settings_dialog.cpp
index 741bd91bd3..5345faf0d4 100644
--- a/editor/project_manager/quick_settings_dialog.cpp
+++ b/editor/project_manager/quick_settings_dialog.cpp
@@ -31,8 +31,7 @@
 #include "quick_settings_dialog.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
-#include "core/string/translation_server.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/doc/editor_help.h"
 #include "editor/editor_string_names.h"
 #include "editor/inspector/editor_properties.h"
diff --git a/editor/project_upgrade/project_upgrade_tool.cpp b/editor/project_upgrade/project_upgrade_tool.cpp
index 9324c8a007..76792e0fa7 100644
--- a/editor/project_upgrade/project_upgrade_tool.cpp
+++ b/editor/project_upgrade/project_upgrade_tool.cpp
@@ -33,7 +33,7 @@
 #include "core/config/project_settings.h"
 #include "core/io/dir_access.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/editor_node.h"
 #include "editor/file_system/editor_file_system.h"
 #include "editor/scene/editor_scene_tabs.h"
diff --git a/editor/run/editor_run_bar.cpp b/editor/run/editor_run_bar.cpp
index 1b5f7e7373..aa2dd48355 100644
--- a/editor/run/editor_run_bar.cpp
+++ b/editor/run/editor_run_bar.cpp
@@ -33,11 +33,13 @@
 #include "core/config/engine.h"
 #include "core/config/project_settings.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/debugger/editor_debugger_node.h"
 #include "editor/debugger/script_editor_debugger.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
+#include "editor/export/editor_export_platform.h"
+#include "editor/export/editor_export_preset.h"
 #include "editor/gui/editor_bottom_panel.h"
 #include "editor/gui/editor_quick_open_dialog.h"
 #include "editor/gui/editor_toaster.h"
diff --git a/editor/run/editor_run_bar.h b/editor/run/editor_run_bar.h
index 1e7b16e920..98df6e1f38 100644
--- a/editor/run/editor_run_bar.h
+++ b/editor/run/editor_run_bar.h
@@ -31,16 +31,16 @@
 #pragma once
 
 #include "core/os/process_id.h"
-#include "editor/export/editor_export.h"
 #include "editor/run/editor_run.h"
 #include "scene/gui/margin_container.h"
 
+class AcceptDialog;
 class Button;
+class EditorExportPreset;
 class EditorRunNative;
+class HBoxContainer;
 class MenuButton;
 class PanelContainer;
-class HBoxContainer;
-class AcceptDialog;
 
 class EditorRunBar : public MarginContainer {
 	GDCLASS(EditorRunBar, MarginContainer);
diff --git a/editor/run/editor_run_native.cpp b/editor/run/editor_run_native.cpp
index e9b506e7d2..a1c42d2223 100644
--- a/editor/run/editor_run_native.cpp
+++ b/editor/run/editor_run_native.cpp
@@ -31,7 +31,7 @@
 #include "editor_run_native.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/editor_node.h"
 #include "editor/export/editor_export.h"
 #include "editor/export/editor_export_platform.h"
diff --git a/editor/run/embedded_process.cpp b/editor/run/embedded_process.cpp
index 9caac4c56a..c702e2fed0 100644
--- a/editor/run/embedded_process.cpp
+++ b/editor/run/embedded_process.cpp
@@ -33,7 +33,7 @@
 #include "core/config/project_settings.h"
 #include "core/input/input.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "editor/editor_string_names.h"
 #include "scene/main/timer.h"
@@ -445,8 +445,7 @@ Window *EmbeddedProcess::_get_current_modal_window() {
 	return nullptr;
 }
 
-EmbeddedProcess::EmbeddedProcess() :
-		EmbeddedProcessBase() {
+EmbeddedProcess::EmbeddedProcess() {
 	timer_embedding = memnew(Timer);
 	timer_embedding->set_wait_time(0.1);
 	timer_embedding->set_one_shot(true);
diff --git a/editor/run/game_view_plugin.cpp b/editor/run/game_view_plugin.cpp
index 4df1688a67..bf4b33e514 100644
--- a/editor/run/game_view_plugin.cpp
+++ b/editor/run/game_view_plugin.cpp
@@ -33,7 +33,7 @@
 #include "core/config/project_settings.h"
 #include "core/debugger/debugger_marshalls.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/process_id.h"
 #include "core/string/translation_server.h"
 #include "editor/debugger/editor_debugger_node.h"
diff --git a/editor/scene/2d/camera_2d_editor_plugin.cpp b/editor/scene/2d/camera_2d_editor_plugin.cpp
index 400f704718..8c41c35cda 100644
--- a/editor/scene/2d/camera_2d_editor_plugin.cpp
+++ b/editor/scene/2d/camera_2d_editor_plugin.cpp
@@ -36,9 +36,7 @@
 #include "editor/editor_node.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/scene/canvas_item_editor_plugin.h"
-#include "editor/themes/editor_scale.h"
 #include "scene/2d/camera_2d.h"
-#include "scene/gui/label.h"
 #include "scene/gui/menu_button.h"
 
 void Camera2DEditor::edit(Camera2D *p_camera) {
diff --git a/editor/scene/2d/particles_2d_editor_plugin.cpp b/editor/scene/2d/particles_2d_editor_plugin.cpp
index 7a3c2ef8c5..402bdacdee 100644
--- a/editor/scene/2d/particles_2d_editor_plugin.cpp
+++ b/editor/scene/2d/particles_2d_editor_plugin.cpp
@@ -41,7 +41,6 @@
 #include "scene/2d/gpu_particles_2d.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/check_box.h"
-#include "scene/gui/margin_container.h"
 #include "scene/gui/option_button.h"
 #include "scene/gui/popup_menu.h"
 #include "scene/gui/spin_box.h"
diff --git a/editor/scene/2d/path_2d_editor_plugin.cpp b/editor/scene/2d/path_2d_editor_plugin.cpp
index 0170537911..dd894bff00 100644
--- a/editor/scene/2d/path_2d_editor_plugin.cpp
+++ b/editor/scene/2d/path_2d_editor_plugin.cpp
@@ -37,7 +37,6 @@
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/scene/canvas_item_editor_plugin.h"
 #include "editor/settings/editor_settings.h"
-#include "editor/themes/editor_scale.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/menu_button.h"
 #include "scene/resources/mesh.h"
diff --git a/editor/scene/2d/scene_paint_2d_editor_plugin.cpp b/editor/scene/2d/scene_paint_2d_editor_plugin.cpp
index 512c3dd39a..78b526dda9 100644
--- a/editor/scene/2d/scene_paint_2d_editor_plugin.cpp
+++ b/editor/scene/2d/scene_paint_2d_editor_plugin.cpp
@@ -30,7 +30,6 @@
 
 #include "scene_paint_2d_editor_plugin.h"
 
-#include "core/config/project_settings.h"
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
 #include "editor/docks/filesystem_dock.h"
@@ -39,22 +38,12 @@
 #include "editor/editor_main_screen.h"
 #include "editor/editor_node.h"
 #include "editor/editor_undo_redo_manager.h"
-#include "editor/gui/editor_file_dialog.h"
 #include "editor/scene/canvas_item_editor_plugin.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/2d/tile_map_layer.h"
 #include "scene/gui/box_container.h"
-#include "scene/gui/check_box.h"
-#include "scene/gui/dialogs.h"
 #include "scene/gui/item_list.h"
-#include "scene/gui/label.h"
-#include "scene/gui/menu_button.h"
-#include "scene/gui/separator.h"
-#include "scene/gui/spin_box.h"
-#include "scene/gui/split_container.h"
-#include "scene/gui/subviewport_container.h"
-#include "scene/gui/texture_rect.h"
 #include "scene/gui/tree.h"
 
 void ScenePaint2DEditor::_can_handle(bool p_is_node_2d, bool p_edit) {
diff --git a/editor/scene/2d/tiles/tile_atlas_view.cpp b/editor/scene/2d/tiles/tile_atlas_view.cpp
index 0a653795a0..859fcd636c 100644
--- a/editor/scene/2d/tiles/tile_atlas_view.cpp
+++ b/editor/scene/2d/tiles/tile_atlas_view.cpp
@@ -31,7 +31,7 @@
 #include "tile_atlas_view.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/2d/tile_map_layer.h"
diff --git a/editor/scene/2d/tiles/tiles_editor_plugin.cpp b/editor/scene/2d/tiles/tiles_editor_plugin.cpp
index 18d2e04ed9..507b5d9b15 100644
--- a/editor/scene/2d/tiles/tiles_editor_plugin.cpp
+++ b/editor/scene/2d/tiles/tiles_editor_plugin.cpp
@@ -41,12 +41,10 @@
 #include "editor/editor_string_names.h"
 #include "editor/inspector/multi_node_edit.h"
 #include "editor/scene/canvas_item_editor_plugin.h"
-#include "editor/settings/editor_command_palette.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/2d/tile_map.h"
 #include "scene/2d/tile_map_layer.h"
-#include "scene/gui/button.h"
 #include "scene/gui/control.h"
 #include "scene/main/scene_tree.h"
 #include "scene/resources/2d/tile_set.h"
diff --git a/editor/scene/3d/bone_map_editor_plugin.cpp b/editor/scene/3d/bone_map_editor_plugin.cpp
index 7779098c87..f955d4ae75 100644
--- a/editor/scene/3d/bone_map_editor_plugin.cpp
+++ b/editor/scene/3d/bone_map_editor_plugin.cpp
@@ -42,6 +42,7 @@
 #include "scene/gui/aspect_ratio_container.h"
 #include "scene/gui/separator.h"
 #include "scene/gui/texture_rect.h"
+#include "scene/resources/texture.h"
 
 #include "modules/regex/regex.h"
 
diff --git a/editor/scene/3d/bone_map_editor_plugin.h b/editor/scene/3d/bone_map_editor_plugin.h
index 790d7d72bb..4a217be9e6 100644
--- a/editor/scene/3d/bone_map_editor_plugin.h
+++ b/editor/scene/3d/bone_map_editor_plugin.h
@@ -39,7 +39,6 @@
 #include "scene/gui/dialogs.h"
 #include "scene/gui/texture_button.h"
 #include "scene/resources/bone_map.h"
-#include "scene/resources/texture.h"
 
 class AspectRatioContainer;
 
diff --git a/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.cpp b/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.cpp
index bbdc674fcd..d464b978c3 100644
--- a/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.cpp
+++ b/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.cpp
@@ -31,6 +31,8 @@
 #include "chain_ik_3d_gizmo_plugin.h"
 
 #include "editor/settings/editor_settings.h"
+#include "scene/3d/iterate_ik_3d.h"
+#include "scene/resources/surface_tool.h"
 
 ChainIK3DGizmoPlugin::SelectionMaterials ChainIK3DGizmoPlugin::selection_materials;
 
diff --git a/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.h b/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.h
index d29d109cb2..cd99bb4a16 100644
--- a/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.h
+++ b/editor/scene/3d/gizmos/chain_ik_3d_gizmo_plugin.h
@@ -30,11 +30,10 @@
 
 #pragma once
 
-#include "editor/plugins/editor_plugin.h"
-#include "editor/scene/3d/node_3d_editor_plugin.h"
-#include "scene/3d/iterate_ik_3d.h"
+#include "editor/scene/3d/node_3d_editor_gizmos.h"
 
-#include "scene/resources/surface_tool.h"
+class ChainIK3D;
+class SurfaceTool;
 
 class ChainIK3DGizmoPlugin : public EditorNode3DGizmoPlugin {
 	GDCLASS(ChainIK3DGizmoPlugin, EditorNode3DGizmoPlugin);
diff --git a/editor/scene/3d/gizmos/particles_3d_emission_shape_gizmo_plugin.cpp b/editor/scene/3d/gizmos/particles_3d_emission_shape_gizmo_plugin.cpp
index 5183115ceb..8012bfb4c4 100644
--- a/editor/scene/3d/gizmos/particles_3d_emission_shape_gizmo_plugin.cpp
+++ b/editor/scene/3d/gizmos/particles_3d_emission_shape_gizmo_plugin.cpp
@@ -30,10 +30,6 @@
 
 #include "particles_3d_emission_shape_gizmo_plugin.h"
 
-#include "editor/editor_node.h"
-#include "editor/editor_string_names.h"
-#include "editor/editor_undo_redo_manager.h"
-#include "editor/scene/3d/node_3d_editor_plugin.h"
 #include "editor/settings/editor_settings.h"
 #include "scene/3d/cpu_particles_3d.h"
 #include "scene/3d/gpu_particles_3d.h"
diff --git a/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.cpp b/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.cpp
index f4d06c80a2..e1fd5446df 100644
--- a/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.cpp
+++ b/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.cpp
@@ -31,9 +31,12 @@
 #include "spring_bone_3d_gizmo_plugin.h"
 
 #include "editor/settings/editor_settings.h"
+#include "scene/3d/spring_bone_collision_3d.h"
 #include "scene/3d/spring_bone_collision_capsule_3d.h"
 #include "scene/3d/spring_bone_collision_plane_3d.h"
 #include "scene/3d/spring_bone_collision_sphere_3d.h"
+#include "scene/3d/spring_bone_simulator_3d.h"
+#include "scene/resources/surface_tool.h"
 
 // SpringBoneSimulator3D
 
diff --git a/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.h b/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.h
index f38b998cbd..69c519092e 100644
--- a/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.h
+++ b/editor/scene/3d/gizmos/spring_bone_3d_gizmo_plugin.h
@@ -30,11 +30,11 @@
 
 #pragma once
 
-#include "editor/plugins/editor_plugin.h"
-#include "editor/scene/3d/node_3d_editor_plugin.h"
-#include "scene/3d/spring_bone_collision_3d.h"
-#include "scene/3d/spring_bone_simulator_3d.h"
-#include "scene/resources/surface_tool.h"
+#include "editor/scene/3d/node_3d_editor_gizmos.h"
+
+class SpringBoneCollision3D;
+class SpringBoneSimulator3D;
+class SurfaceTool;
 
 class SpringBoneSimulator3DGizmoPlugin : public EditorNode3DGizmoPlugin {
 	GDCLASS(SpringBoneSimulator3DGizmoPlugin, EditorNode3DGizmoPlugin);
diff --git a/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.cpp b/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.cpp
index 9ae8e053b5..0cb3aab1e3 100644
--- a/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.cpp
+++ b/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.cpp
@@ -31,6 +31,8 @@
 #include "two_bone_ik_3d_gizmo_plugin.h"
 
 #include "editor/settings/editor_settings.h"
+#include "scene/3d/two_bone_ik_3d.h"
+#include "scene/resources/surface_tool.h"
 
 TwoBoneIK3DGizmoPlugin::SelectionMaterials TwoBoneIK3DGizmoPlugin::selection_materials;
 
diff --git a/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.h b/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.h
index bec19b39dc..a6ab435500 100644
--- a/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.h
+++ b/editor/scene/3d/gizmos/two_bone_ik_3d_gizmo_plugin.h
@@ -30,11 +30,10 @@
 
 #pragma once
 
-#include "editor/plugins/editor_plugin.h"
-#include "editor/scene/3d/node_3d_editor_plugin.h"
-#include "scene/3d/two_bone_ik_3d.h"
+#include "editor/scene/3d/node_3d_editor_gizmos.h"
 
-#include "scene/resources/surface_tool.h"
+class TwoBoneIK3D;
+class SurfaceTool;
 
 class TwoBoneIK3DGizmoPlugin : public EditorNode3DGizmoPlugin {
 	GDCLASS(TwoBoneIK3DGizmoPlugin, EditorNode3DGizmoPlugin);
diff --git a/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.cpp b/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.cpp
index 5b8a49ab8c..b71c673829 100644
--- a/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.cpp
+++ b/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.cpp
@@ -30,11 +30,13 @@
 
 #include "gpu_particles_collision_sdf_editor_plugin.h"
 
+#include "core/io/resource_loader.h"
 #include "core/object/callable_mp.h"
 #include "editor/editor_interface.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/gui/editor_file_dialog.h"
+#include "scene/3d/gpu_particles_collision_3d.h"
 #include "scene/main/scene_tree.h"
 
 void GPUParticlesCollisionSDF3DEditorPlugin::_bake() {
diff --git a/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.h b/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.h
index 0740a6b06d..244b17e909 100644
--- a/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.h
+++ b/editor/scene/3d/gpu_particles_collision_sdf_editor_plugin.h
@@ -31,11 +31,10 @@
 #pragma once
 
 #include "editor/plugins/editor_plugin.h"
-#include "scene/3d/gpu_particles_collision_3d.h"
-#include "scene/resources/material.h"
 
 struct EditorProgress;
 class EditorFileDialog;
+class GPUParticlesCollisionSDF3D;
 class HBoxContainer;
 
 class GPUParticlesCollisionSDF3DEditorPlugin : public EditorPlugin {
diff --git a/editor/scene/3d/lightmap_gi_editor_plugin.cpp b/editor/scene/3d/lightmap_gi_editor_plugin.cpp
index 373a31c50a..5ff451538a 100644
--- a/editor/scene/3d/lightmap_gi_editor_plugin.cpp
+++ b/editor/scene/3d/lightmap_gi_editor_plugin.cpp
@@ -30,12 +30,14 @@
 
 #include "lightmap_gi_editor_plugin.h"
 
+#include "core/io/resource_loader.h"
 #include "core/object/callable_mp.h"
 #include "core/object/class_db.h"
 #include "core/os/os.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/gui/editor_file_dialog.h"
+#include "scene/3d/lightmap_gi.h"
 #include "scene/main/scene_tree.h"
 #include "servers/display/display_server.h"
 #include "servers/rendering/rendering_server.h"
diff --git a/editor/scene/3d/lightmap_gi_editor_plugin.h b/editor/scene/3d/lightmap_gi_editor_plugin.h
index c528c6c604..91c27d4cd3 100644
--- a/editor/scene/3d/lightmap_gi_editor_plugin.h
+++ b/editor/scene/3d/lightmap_gi_editor_plugin.h
@@ -31,11 +31,10 @@
 #pragma once
 
 #include "editor/plugins/editor_plugin.h"
-#include "scene/3d/lightmap_gi.h"
-#include "scene/resources/material.h"
 
 struct EditorProgress;
 class EditorFileDialog;
+class LightmapGI;
 
 class LightmapGIEditorPlugin : public EditorPlugin {
 	GDCLASS(LightmapGIEditorPlugin, EditorPlugin);
diff --git a/editor/scene/3d/occluder_instance_3d_editor_plugin.cpp b/editor/scene/3d/occluder_instance_3d_editor_plugin.cpp
index ce6c44c37a..4117b2e2a3 100644
--- a/editor/scene/3d/occluder_instance_3d_editor_plugin.cpp
+++ b/editor/scene/3d/occluder_instance_3d_editor_plugin.cpp
@@ -35,6 +35,7 @@
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/gui/editor_file_dialog.h"
+#include "scene/3d/occluder_instance_3d.h"
 #include "scene/main/scene_tree.h"
 
 void OccluderInstance3DEditorPlugin::_bake_select_file(const String &p_file) {
diff --git a/editor/scene/3d/occluder_instance_3d_editor_plugin.h b/editor/scene/3d/occluder_instance_3d_editor_plugin.h
index 9c6d4096d2..3251a4b120 100644
--- a/editor/scene/3d/occluder_instance_3d_editor_plugin.h
+++ b/editor/scene/3d/occluder_instance_3d_editor_plugin.h
@@ -31,10 +31,9 @@
 #pragma once
 
 #include "editor/plugins/editor_plugin.h"
-#include "scene/3d/occluder_instance_3d.h"
-#include "scene/resources/material.h"
 
 class EditorFileDialog;
+class OccluderInstance3D;
 
 class OccluderInstance3DEditorPlugin : public EditorPlugin {
 	GDCLASS(OccluderInstance3DEditorPlugin, EditorPlugin);
diff --git a/editor/scene/3d/polygon_3d_editor_plugin.cpp b/editor/scene/3d/polygon_3d_editor_plugin.cpp
index a503e1bec6..5e719c5353 100644
--- a/editor/scene/3d/polygon_3d_editor_plugin.cpp
+++ b/editor/scene/3d/polygon_3d_editor_plugin.cpp
@@ -42,7 +42,11 @@
 #include "editor/scene/canvas_item_editor_plugin.h"
 #include "editor/settings/editor_settings.h"
 #include "scene/3d/camera_3d.h"
+#include "scene/3d/mesh_instance_3d.h"
 #include "scene/main/scene_tree.h"
+#include "scene/resources/immediate_mesh.h"
+#include "scene/resources/material.h"
+#include "scene/resources/mesh.h"
 
 void Polygon3DEditor::_notification(int p_what) {
 	switch (p_what) {
diff --git a/editor/scene/3d/polygon_3d_editor_plugin.h b/editor/scene/3d/polygon_3d_editor_plugin.h
index ce3f96a648..86e1b93f14 100644
--- a/editor/scene/3d/polygon_3d_editor_plugin.h
+++ b/editor/scene/3d/polygon_3d_editor_plugin.h
@@ -31,13 +31,14 @@
 #pragma once
 
 #include "editor/plugins/editor_plugin.h"
-#include "scene/3d/mesh_instance_3d.h"
-#include "scene/3d/physics/collision_polygon_3d.h"
 #include "scene/gui/box_container.h"
-#include "scene/resources/immediate_mesh.h"
 
+class ArrayMesh;
 class CanvasItemEditor;
+class ImmediateMesh;
 class MenuButton;
+class MeshInstance3D;
+class StandardMaterial3D;
 
 class Polygon3DEditor : public HBoxContainer {
 	GDCLASS(Polygon3DEditor, HBoxContainer);
diff --git a/editor/scene/canvas_item_editor_plugin.cpp b/editor/scene/canvas_item_editor_plugin.cpp
index 5ed4c66e56..241d8ba54d 100644
--- a/editor/scene/canvas_item_editor_plugin.cpp
+++ b/editor/scene/canvas_item_editor_plugin.cpp
@@ -67,6 +67,7 @@
 #include "scene/gui/separator.h"
 #include "scene/gui/split_container.h"
 #include "scene/gui/subviewport_container.h"
+#include "scene/gui/texture_button.h"
 #include "scene/gui/view_panner.h"
 #include "scene/main/canvas_layer.h"
 #include "scene/main/scene_tree.h"
diff --git a/editor/scene/editor_scene_tabs.cpp b/editor/scene/editor_scene_tabs.cpp
index cc712258a6..fb2b981f34 100644
--- a/editor/scene/editor_scene_tabs.cpp
+++ b/editor/scene/editor_scene_tabs.cpp
@@ -33,7 +33,7 @@
 #include "core/config/project_settings.h"
 #include "core/io/resource_loader.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "editor/docks/inspector_dock.h"
 #include "editor/editor_main_screen.h"
diff --git a/editor/scene/gui/control_editor_plugin.cpp b/editor/scene/gui/control_editor_plugin.cpp
index 03b64fbf6c..cef6bc8451 100644
--- a/editor/scene/gui/control_editor_plugin.cpp
+++ b/editor/scene/gui/control_editor_plugin.cpp
@@ -31,7 +31,7 @@
 #include "control_editor_plugin.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/editor_node.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/scene/canvas_item_editor_plugin.h"
diff --git a/editor/scene/gui/font_config_plugin.cpp b/editor/scene/gui/font_config_plugin.cpp
index ccb02f474d..dc290fd484 100644
--- a/editor/scene/gui/font_config_plugin.cpp
+++ b/editor/scene/gui/font_config_plugin.cpp
@@ -31,7 +31,6 @@
 #include "font_config_plugin.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
 #include "core/os/os.h"
 #include "core/string/translation_server.h"
 #include "editor/import/dynamic_font_import_settings.h"
@@ -949,8 +948,6 @@ void FontPreview::_notification(int p_what) {
 	}
 }
 
-void FontPreview::_bind_methods() {}
-
 Size2 FontPreview::get_minimum_size() const {
 	return Vector2(64, 64) * EDSCALE;
 }
diff --git a/editor/scene/gui/font_config_plugin.h b/editor/scene/gui/font_config_plugin.h
index baf7d2e037..f85fc8279f 100644
--- a/editor/scene/gui/font_config_plugin.h
+++ b/editor/scene/gui/font_config_plugin.h
@@ -128,8 +128,6 @@ class EditorPropertyOTVariation : public EditorProperty {
 	EditorPaginator *paginator = nullptr;
 
 protected:
-	static void _bind_methods() {}
-
 	void _edit_pressed();
 	void _page_changed(int p_page);
 	void _property_changed(const String &p_property, const Variant &p_value, const String &p_name = "", bool p_changing = false);
@@ -206,7 +204,6 @@ class FontPreview : public Control {
 
 protected:
 	void _notification(int p_what);
-	static void _bind_methods();
 
 	Ref<Font> prev_font;
 
@@ -240,7 +237,6 @@ protected:
 	virtual void _add_element() override;
 
 	void _add_font(int p_option);
-	static void _bind_methods() {}
 
 public:
 	EditorPropertyFontNamesArray();
diff --git a/editor/scene/gui/theme_editor_preview.cpp b/editor/scene/gui/theme_editor_preview.cpp
index d4392f124a..1a1f4b2f42 100644
--- a/editor/scene/gui/theme_editor_preview.cpp
+++ b/editor/scene/gui/theme_editor_preview.cpp
@@ -32,7 +32,7 @@
 
 #include "core/config/project_settings.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/themes/editor_scale.h"
diff --git a/editor/scene/texture/color_channel_selector.cpp b/editor/scene/texture/color_channel_selector.cpp
index 82ac2ee38a..1f966821bd 100644
--- a/editor/scene/texture/color_channel_selector.cpp
+++ b/editor/scene/texture/color_channel_selector.cpp
@@ -31,12 +31,12 @@
 #include "color_channel_selector.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/themes/editor_scale.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/panel_container.h"
-#include "scene/resources/style_box_flat.h"
+#include "scene/resources/style_box.h"
 
 ColorChannelSelector::ColorChannelSelector() {
 	toggle_button = memnew(Button);
diff --git a/editor/scene/texture/texture_editor_plugin.cpp b/editor/scene/texture/texture_editor_plugin.cpp
index 701ba37812..ee375ca6ba 100644
--- a/editor/scene/texture/texture_editor_plugin.cpp
+++ b/editor/scene/texture/texture_editor_plugin.cpp
@@ -47,7 +47,6 @@
 #include "scene/resources/image_texture.h"
 #include "scene/resources/material.h"
 #include "scene/resources/portable_compressed_texture.h"
-#include "scene/resources/style_box_flat.h"
 #include "scene/resources/texture_rd.h"
 #include "servers/rendering/rendering_device.h"
 
diff --git a/editor/script/editor_script.cpp b/editor/script/editor_script.cpp
index 2cac3fa338..2f2a1cb2b0 100644
--- a/editor/script/editor_script.cpp
+++ b/editor/script/editor_script.cpp
@@ -33,10 +33,7 @@
 #include "core/object/class_db.h"
 #include "editor/editor_interface.h"
 #include "editor/editor_node.h"
-#include "editor/editor_undo_redo_manager.h"
-#include "editor/scene/editor_scene_tabs.h"
 #include "scene/main/node.h"
-#include "scene/resources/packed_scene.h"
 
 #ifndef DISABLE_DEPRECATED
 void EditorScript::add_root_node(Node *p_node) {
diff --git a/editor/script/script_create_dialog.h b/editor/script/script_create_dialog.h
index 92c143a2ca..61d6b47291 100644
--- a/editor/script/script_create_dialog.h
+++ b/editor/script/script_create_dialog.h
@@ -34,7 +34,6 @@
 #include "scene/gui/check_box.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/option_button.h"
-#include "scene/gui/panel_container.h"
 
 class CreateDialog;
 class EditorFileDialog;
diff --git a/editor/settings/action_map_editor.cpp b/editor/settings/action_map_editor.cpp
index 205ec43766..c720acbd7a 100644
--- a/editor/settings/action_map_editor.cpp
+++ b/editor/settings/action_map_editor.cpp
@@ -31,7 +31,7 @@
 #include "action_map_editor.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/editor_string_names.h"
 #include "editor/settings/editor_event_search_bar.h"
 #include "editor/settings/editor_settings.h"
diff --git a/editor/settings/editor_autoload_settings.cpp b/editor/settings/editor_autoload_settings.cpp
index 863b3c0c72..a80c394f01 100644
--- a/editor/settings/editor_autoload_settings.cpp
+++ b/editor/settings/editor_autoload_settings.cpp
@@ -36,7 +36,6 @@
 #include "core/object/class_db.h"
 #include "editor/docks/filesystem_dock.h"
 #include "editor/editor_node.h"
-#include "editor/editor_string_names.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/gui/editor_file_dialog.h"
 #include "editor/scene/scene_create_dialog.h"
diff --git a/editor/settings/editor_build_profile.cpp b/editor/settings/editor_build_profile.cpp
index 07b48c450d..22bb32ef03 100644
--- a/editor/settings/editor_build_profile.cpp
+++ b/editor/settings/editor_build_profile.cpp
@@ -45,7 +45,7 @@
 #include "scene/gui/margin_container.h"
 #include "scene/gui/separator.h"
 
-#include "modules/modules_enabled.gen.h" // For mono.
+#include "modules/modules_enabled.gen.h" // IWYU pragma: keep. For mono.
 
 const char *EditorBuildProfile::build_option_identifiers[BUILD_OPTION_MAX] = {
 	// This maps to SCons build options.
diff --git a/editor/settings/editor_event_search_bar.cpp b/editor/settings/editor_event_search_bar.cpp
index 8c3faba6cc..80f29c4604 100644
--- a/editor/settings/editor_event_search_bar.cpp
+++ b/editor/settings/editor_event_search_bar.cpp
@@ -31,7 +31,7 @@
 #include "editor_event_search_bar.h"
 
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/settings/event_listener_line_edit.h"
 #include "scene/gui/button.h"
 #include "scene/gui/dialogs.h"
diff --git a/editor/settings/editor_layouts_dialog.cpp b/editor/settings/editor_layouts_dialog.cpp
index 2eedeef59d..622e656c79 100644
--- a/editor/settings/editor_layouts_dialog.cpp
+++ b/editor/settings/editor_layouts_dialog.cpp
@@ -32,7 +32,7 @@
 
 #include "core/io/config_file.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/gui/item_list.h"
diff --git a/editor/settings/event_listener_line_edit.cpp b/editor/settings/event_listener_line_edit.cpp
index 5ec41c3ebf..8cac787328 100644
--- a/editor/settings/event_listener_line_edit.cpp
+++ b/editor/settings/event_listener_line_edit.cpp
@@ -32,7 +32,7 @@
 
 #include "core/input/input_map.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/os/os.h"
 #include "scene/gui/dialogs.h"
 #include "servers/display/accessibility_server.h"
diff --git a/editor/shader/shader_create_dialog.cpp b/editor/shader/shader_create_dialog.cpp
index df031576e6..45fd991182 100644
--- a/editor/shader/shader_create_dialog.cpp
+++ b/editor/shader/shader_create_dialog.cpp
@@ -37,6 +37,7 @@
 #include "editor/editor_node.h"
 #include "editor/gui/editor_file_dialog.h"
 #include "editor/gui/editor_validation_panel.h"
+#include "editor/settings/editor_settings.h"
 #include "editor/shader/editor_shader_language_plugin.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/main/scene_tree.h"
diff --git a/editor/shader/shader_create_dialog.h b/editor/shader/shader_create_dialog.h
index cc59b48f10..064116d880 100644
--- a/editor/shader/shader_create_dialog.h
+++ b/editor/shader/shader_create_dialog.h
@@ -30,13 +30,11 @@
 
 #pragma once
 
-#include "editor/settings/editor_settings.h"
 #include "scene/gui/check_box.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/grid_container.h"
 #include "scene/gui/line_edit.h"
 #include "scene/gui/option_button.h"
-#include "scene/gui/panel_container.h"
 
 class EditorFileDialog;
 class EditorValidationPanel;
diff --git a/editor/shader/shader_editor_plugin.cpp b/editor/shader/shader_editor_plugin.cpp
index cc72f9708e..cad7770e33 100644
--- a/editor/shader/shader_editor_plugin.cpp
+++ b/editor/shader/shader_editor_plugin.cpp
@@ -39,6 +39,7 @@
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/gui/window_wrapper.h"
 #include "editor/settings/editor_command_palette.h"
+#include "editor/settings/editor_settings.h"
 #include "editor/shader/shader_create_dialog.h"
 #include "editor/shader/text_shader_editor.h"
 #include "editor/shader/text_shader_language_plugin.h"
diff --git a/editor/themes/editor_icons.cpp b/editor/themes/editor_icons.cpp
index a58ad3a7e7..66e406aae4 100644
--- a/editor/themes/editor_icons.cpp
+++ b/editor/themes/editor_icons.cpp
@@ -35,7 +35,6 @@
 #include "editor/themes/editor_icons.gen.h"
 #include "editor/themes/editor_scale.h"
 #include "scene/resources/dpi_texture.h"
-#include "scene/resources/image_texture.h"
 
 #include "modules/svg/image_loader_svg.h"
 
diff --git a/editor/themes/theme_classic.cpp b/editor/themes/theme_classic.cpp
index e5dfe07549..e6e97d6d68 100644
--- a/editor/themes/theme_classic.cpp
+++ b/editor/themes/theme_classic.cpp
@@ -40,7 +40,7 @@
 #include "scene/resources/image_texture.h"
 #include "scene/resources/style_box_flat.h"
 #include "scene/resources/style_box_line.h"
-#include "scene/resources/style_box_texture.h"
+#include "scene/resources/style_box_texture.h" // IWYU pragma: keep. Used by `EditorThemeManager::make_stylebox`.
 
 void ThemeClassic::populate_shared_styles(const Ref<EditorTheme> &p_theme, EditorThemeManager::ThemeConfiguration &p_config) {
 	// Colors.
diff --git a/editor/translations/editor_locale_dialog.cpp b/editor/translations/editor_locale_dialog.cpp
index 464b23494c..34b7e380c4 100644
--- a/editor/translations/editor_locale_dialog.cpp
+++ b/editor/translations/editor_locale_dialog.cpp
@@ -32,7 +32,7 @@
 
 #include "core/config/project_settings.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/string/translation_server.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/themes/editor_scale.h"
diff --git a/editor/translations/editor_translation_parser.cpp b/editor/translations/editor_translation_parser.cpp
index eb59d80ad7..5c5b0164da 100644
--- a/editor/translations/editor_translation_parser.cpp
+++ b/editor/translations/editor_translation_parser.cpp
@@ -31,7 +31,7 @@
 #include "editor_translation_parser.h"
 
 #include "core/error/error_macros.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `GDVIRTUAL_BIND` macro.
 #include "core/object/script_language.h"
 #include "core/templates/hash_set.h"
 
diff --git a/main/main.cpp b/main/main.cpp
index 3c99ae8504..0f1bf70fbd 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -46,7 +46,6 @@
 #include "core/io/file_access_zip.h"
 #include "core/io/image.h"
 #include "core/io/image_loader.h"
-#include "core/io/ip.h"
 #include "core/io/resource_loader.h"
 #include "core/object/class_db.h"
 #include "core/object/message_queue.h"
@@ -88,7 +87,6 @@
 // 2D
 #ifndef NAVIGATION_2D_DISABLED
 #include "servers/navigation_2d/navigation_server_2d.h"
-#include "servers/navigation_2d/navigation_server_2d_dummy.h"
 #endif // NAVIGATION_2D_DISABLED
 
 #ifndef PHYSICS_2D_DISABLED
@@ -99,7 +97,6 @@
 // 3D
 #ifndef NAVIGATION_3D_DISABLED
 #include "servers/navigation_3d/navigation_server_3d.h"
-#include "servers/navigation_3d/navigation_server_3d_dummy.h"
 #endif // NAVIGATION_3D_DISABLED
 
 #ifndef PHYSICS_3D_DISABLED
diff --git a/main/main_builders.py b/main/main_builders.py
index a184dafddc..78041ce4f1 100644
--- a/main/main_builders.py
+++ b/main/main_builders.py
@@ -9,6 +9,8 @@ def make_splash(target, source, env):
     with methods.generated_wrapper(str(target[0])) as file:
         # Use a neutral gray color to better fit various kinds of projects.
         file.write(f"""\
+#include "core/math/color.h"
+
 static const Color boot_splash_bg_color = Color(0.14, 0.14, 0.14);
 inline constexpr const unsigned char boot_splash_png[] = {{
 	{methods.format_buffer(buffer, 1)}
@@ -23,6 +25,8 @@ def make_splash_editor(target, source, env):
         # The editor splash background color is taken from the default editor theme's background color.
         # This helps achieve a visually "smoother" transition between the splash screen and the editor.
         file.write(f"""\
+#include "core/math/color.h"
+
 static const Color boot_splash_editor_bg_color = Color(0.125, 0.145, 0.192);
 inline constexpr const unsigned char boot_splash_editor_png[] = {{
 	{methods.format_buffer(buffer, 1)}
diff --git a/main/main_timer_sync.cpp b/main/main_timer_sync.cpp
index 776de70276..b4c5ab07ee 100644
--- a/main/main_timer_sync.cpp
+++ b/main/main_timer_sync.cpp
@@ -33,6 +33,13 @@
 #include "core/os/os.h"
 #include "servers/display/display_server.h"
 
+// Uncomment this define to get more debugging logs for the delta smoothing.
+// #define GODOT_DEBUG_DELTA_SMOOTHER
+#ifdef GODOT_DEBUG_DELTA_SMOOTHER
+#include "core/string/print_string.h"
+#include "core/string/string.h"
+#endif
+
 void MainFrameTime::clamp_process_step(double min_process_step, double max_process_step) {
 	if (process_step < min_process_step) {
 		process_step = min_process_step;
@@ -43,6 +50,20 @@ void MainFrameTime::clamp_process_step(double min_process_step, double max_proce
 
 /////////////////////////////////
 
+void MainTimerSync::DeltaSmoother::made_new_estimate() {
+	_hits_above_estimated = 0;
+	_hits_at_estimated = 0;
+	_hits_below_estimated = 0;
+	_hits_one_above_estimated = 0;
+	_hits_one_below_estimated = 0;
+
+	_estimate_complete = false;
+
+#ifdef GODOT_DEBUG_DELTA_SMOOTHER
+	print_line("estimated fps " + itos(_estimated_fps));
+#endif
+}
+
 void MainTimerSync::DeltaSmoother::update_refresh_rate_estimator(int64_t p_delta) {
 	// the calling code should prevent 0 or negative values of delta
 	// (preventing divide by zero)
@@ -212,8 +233,6 @@ bool MainTimerSync::DeltaSmoother::fps_allows_smoothing(int64_t p_delta) {
 				double fps = 1000000.0 / time_passed;
 				double ratio = fps / (double)_estimated_fps;
 
-				//print_line("ratio : " + String(Variant(ratio)));
-
 				if ((ratio > 0.95) && (ratio < 1.05)) {
 					_measurement_allows_smoothing = true;
 				} else {
@@ -288,7 +307,6 @@ int64_t MainTimerSync::DeltaSmoother::smooth_delta(int64_t p_delta) {
 	units = MAX(units, 1);
 
 	_leftover_time -= units * _vsync_delta;
-	// print_line("units " + itos(units) + ", leftover " + itos(_leftover_time/1000) + " ms");
 
 	return units * _vsync_delta;
 }
diff --git a/main/main_timer_sync.h b/main/main_timer_sync.h
index 59dac84b78..0e7bc2b085 100644
--- a/main/main_timer_sync.h
+++ b/main/main_timer_sync.h
@@ -30,10 +30,7 @@
 
 #pragma once
 
-#include "core/config/engine.h"
-
-// Uncomment this define to get more debugging logs for the delta smoothing.
-// #define GODOT_DEBUG_DELTA_SMOOTHER
+#include <cstdint>
 
 struct MainFrameTime {
 	double process_step; // delta time to advance during process()
@@ -50,6 +47,7 @@ class MainTimerSync {
 		int64_t smooth_delta(int64_t p_delta);
 
 	private:
+		void made_new_estimate();
 		void update_refresh_rate_estimator(int64_t p_delta);
 		bool fps_allows_smoothing(int64_t p_delta);
 
@@ -87,21 +85,6 @@ class MainTimerSync {
 		// to prevent spurious values
 		int64_t _estimator_total_delta = 0;
 		int32_t _estimator_delta_readings = 0;
-
-		void made_new_estimate() {
-			_hits_above_estimated = 0;
-			_hits_at_estimated = 0;
-			_hits_below_estimated = 0;
-			_hits_one_above_estimated = 0;
-			_hits_one_below_estimated = 0;
-
-			_estimate_complete = false;
-
-#ifdef GODOT_DEBUG_DELTA_SMOOTHER
-			print_line("estimated fps " + itos(_estimated_fps));
-#endif
-		}
-
 	} _delta_smoother;
 
 	// wall clock time measured on the main thread
diff --git a/platform/ios/export/export.cpp b/platform/ios/export/export.cpp
index c2c6f196cb..5e5452bb1e 100644
--- a/platform/ios/export/export.cpp
+++ b/platform/ios/export/export.cpp
@@ -34,6 +34,7 @@
 
 #include "core/object/class_db.h"
 #include "editor/export/editor_export.h"
+#include "editor/settings/editor_settings.h"
 
 void register_ios_exporter_types() {
 	GDREGISTER_VIRTUAL_CLASS(EditorExportPlatformIOS);
diff --git a/platform/ios/export/export_plugin.cpp b/platform/ios/export/export_plugin.cpp
index d2d4195d53..fa5211f9dd 100644
--- a/platform/ios/export/export_plugin.cpp
+++ b/platform/ios/export/export_plugin.cpp
@@ -34,6 +34,7 @@
 #include "run_icon_svg.gen.h"
 
 #include "editor/editor_node.h"
+#include "main/splash.gen.h"
 
 Vector<String> EditorExportPlatformIOS::device_types({ "iPhone", "iPad" });
 
diff --git a/platform/linuxbsd/export/export_plugin.cpp b/platform/linuxbsd/export/export_plugin.cpp
index 5c2e31020a..9d00b55691 100644
--- a/platform/linuxbsd/export/export_plugin.cpp
+++ b/platform/linuxbsd/export/export_plugin.cpp
@@ -35,6 +35,7 @@
 
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
+#include "core/io/zip_io.h"
 #include "core/os/os.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
diff --git a/platform/macos/editor/embedded_game_view_plugin.mm b/platform/macos/editor/embedded_game_view_plugin.mm
index b11f052454..611cf28fe1 100644
--- a/platform/macos/editor/embedded_game_view_plugin.mm
+++ b/platform/macos/editor/embedded_game_view_plugin.mm
@@ -36,6 +36,7 @@
 #include "core/input/input.h"
 #include "editor/editor_node.h"
 #include "editor/gui/window_wrapper.h"
+#include "scene/main/window.h"
 #include "servers/display/display_server.h"
 
 HashMap<String, GameViewDebuggerMacOS::ParseMessageFunc> GameViewDebuggerMacOS::parse_message_handlers;
diff --git a/platform/macos/export/export_plugin.cpp b/platform/macos/export/export_plugin.cpp
index 4908be7e31..5c3866a2e3 100644
--- a/platform/macos/export/export_plugin.cpp
+++ b/platform/macos/export/export_plugin.cpp
@@ -35,6 +35,7 @@
 
 #include "core/io/image_loader.h"
 #include "core/io/plist.h"
+#include "core/io/zip_io.h"
 #include "core/object/class_db.h"
 #include "core/os/os.h"
 #include "core/string/translation_server.h"
diff --git a/platform/windows/export/export_plugin.cpp b/platform/windows/export/export_plugin.cpp
index 6803758899..4a69bb44a1 100644
--- a/platform/windows/export/export_plugin.cpp
+++ b/platform/windows/export/export_plugin.cpp
@@ -37,6 +37,7 @@
 #include "core/config/project_settings.h"
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
+#include "core/io/zip_io.h"
 #include "core/os/os.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"