diff --git a/core/crypto/crypto.h b/core/crypto/crypto.h
index 0248b04034dc..fbd01be86dce 100644
--- a/core/crypto/crypto.h
+++ b/core/crypto/crypto.h
@@ -153,17 +153,17 @@ public:
 
 class ResourceFormatLoaderCrypto : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 class ResourceFormatSaverCrypto : public ResourceFormatSaver {
 public:
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // CRYPTO_H
diff --git a/core/extension/gdextension.h b/core/extension/gdextension.h
index a2b948a38a44..2d0cb6a5ba7f 100644
--- a/core/extension/gdextension.h
+++ b/core/extension/gdextension.h
@@ -176,10 +176,10 @@ class GDExtensionResourceLoader : public ResourceFormatLoader {
 public:
 	static Error load_gdextension_resource(const String &p_path, Ref<GDExtension> &p_extension);
 
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 #ifdef TOOLS_ENABLED
diff --git a/core/io/image_loader.h b/core/io/image_loader.h
index e9b434522df9..26af650344dc 100644
--- a/core/io/image_loader.h
+++ b/core/io/image_loader.h
@@ -103,10 +103,10 @@ public:
 
 class ResourceFormatLoaderImage : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 #endif // IMAGE_LOADER_H
diff --git a/core/io/json.h b/core/io/json.h
index a21cc542fd9e..801fa29b4bbe 100644
--- a/core/io/json.h
+++ b/core/io/json.h
@@ -98,17 +98,17 @@ public:
 
 class ResourceFormatLoaderJSON : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 class ResourceFormatSaverJSON : public ResourceFormatSaver {
 public:
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // JSON_H
diff --git a/core/io/resource_format_binary.h b/core/io/resource_format_binary.h
index e01c5fa4670d..222e633e589c 100644
--- a/core/io/resource_format_binary.h
+++ b/core/io/resource_format_binary.h
@@ -110,16 +110,16 @@ public:
 
 class ResourceFormatLoaderBinary : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const;
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
-	virtual String get_resource_script_class(const String &p_path) const;
-	virtual void get_classes_used(const String &p_path, HashSet<StringName> *r_classes);
-	virtual ResourceUID::ID get_resource_uid(const String &p_path) const;
-	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
-	virtual Error rename_dependencies(const String &p_path, const HashMap<String, String> &p_map);
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
+	virtual String get_resource_script_class(const String &p_path) const override;
+	virtual void get_classes_used(const String &p_path, HashSet<StringName> *r_classes) override;
+	virtual ResourceUID::ID get_resource_uid(const String &p_path) const override;
+	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false) override;
+	virtual Error rename_dependencies(const String &p_path, const HashMap<String, String> &p_map) override;
 };
 
 class ResourceFormatSaverBinaryInstance {
@@ -181,10 +181,10 @@ public:
 class ResourceFormatSaverBinary : public ResourceFormatSaver {
 public:
 	static ResourceFormatSaverBinary *singleton;
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual Error set_uid(const String &p_path, ResourceUID::ID p_uid);
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual Error set_uid(const String &p_path, ResourceUID::ID p_uid) override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
 
 	ResourceFormatSaverBinary();
 };
diff --git a/core/io/resource_importer.h b/core/io/resource_importer.h
index e17644058ab0..dbd9e70d16be 100644
--- a/core/io/resource_importer.h
+++ b/core/io/resource_importer.h
@@ -59,22 +59,22 @@ class ResourceFormatImporter : public ResourceFormatLoader {
 
 public:
 	static ResourceFormatImporter *get_singleton() { return singleton; }
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const;
-	virtual bool recognize_path(const String &p_path, const String &p_for_type = String()) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
-	virtual ResourceUID::ID get_resource_uid(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const override;
+	virtual bool recognize_path(const String &p_path, const String &p_for_type = String()) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
+	virtual ResourceUID::ID get_resource_uid(const String &p_path) const override;
 	virtual Variant get_resource_metadata(const String &p_path) const;
-	virtual bool is_import_valid(const String &p_path) const;
-	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
-	virtual bool is_imported(const String &p_path) const { return recognize_path(p_path); }
-	virtual String get_import_group_file(const String &p_path) const;
-	virtual void get_classes_used(const String &p_path, HashSet<StringName> *r_classes);
-	virtual bool exists(const String &p_path) const;
+	virtual bool is_import_valid(const String &p_path) const override;
+	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false) override;
+	virtual bool is_imported(const String &p_path) const override { return recognize_path(p_path); }
+	virtual String get_import_group_file(const String &p_path) const override;
+	virtual void get_classes_used(const String &p_path, HashSet<StringName> *r_classes) override;
+	virtual bool exists(const String &p_path) const override;
 
-	virtual int get_import_order(const String &p_path) const;
+	virtual int get_import_order(const String &p_path) const override;
 
 	Error get_import_order_threads_and_importer(const String &p_path, int &r_order, bool &r_can_threads, String &r_importer) const;
 
diff --git a/core/io/translation_loader_po.h b/core/io/translation_loader_po.h
index 16e7c28cbec4..a695826e5995 100644
--- a/core/io/translation_loader_po.h
+++ b/core/io/translation_loader_po.h
@@ -38,10 +38,10 @@
 class TranslationLoaderPO : public ResourceFormatLoader {
 public:
 	static Ref<Resource> load_translation(Ref<FileAccess> f, Error *r_error = nullptr);
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 
 	TranslationLoaderPO() {}
 };
diff --git a/drivers/png/resource_saver_png.h b/drivers/png/resource_saver_png.h
index 2193b4a39bac..2c2400807479 100644
--- a/drivers/png/resource_saver_png.h
+++ b/drivers/png/resource_saver_png.h
@@ -39,9 +39,9 @@ public:
 	static Error save_image(const String &p_path, const Ref<Image> &p_img);
 	static Vector<uint8_t> save_image_to_buffer(const Ref<Image> &p_img);
 
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
 
 	ResourceSaverPNG();
 };
diff --git a/modules/dds/texture_loader_dds.h b/modules/dds/texture_loader_dds.h
index 3763700ff169..ce5b7f40450d 100644
--- a/modules/dds/texture_loader_dds.h
+++ b/modules/dds/texture_loader_dds.h
@@ -35,10 +35,10 @@
 
 class ResourceFormatDDS : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 
 	virtual ~ResourceFormatDDS() {}
 };
diff --git a/modules/gdscript/gdscript.h b/modules/gdscript/gdscript.h
index fd5ad837f942..781e284bfc81 100644
--- a/modules/gdscript/gdscript.h
+++ b/modules/gdscript/gdscript.h
@@ -629,18 +629,18 @@ public:
 
 class ResourceFormatLoaderGDScript : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
-	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
+	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false) override;
 };
 
 class ResourceFormatSaverGDScript : public ResourceFormatSaver {
 public:
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // GDSCRIPT_H
diff --git a/modules/ktx/texture_loader_ktx.h b/modules/ktx/texture_loader_ktx.h
index 0ea676be6b24..0de458a74211 100644
--- a/modules/ktx/texture_loader_ktx.h
+++ b/modules/ktx/texture_loader_ktx.h
@@ -36,10 +36,10 @@
 
 class ResourceFormatKTX : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 
 	virtual ~ResourceFormatKTX() {}
 	ResourceFormatKTX();
diff --git a/modules/theora/video_stream_theora.h b/modules/theora/video_stream_theora.h
index 21d4caef45d8..1e7fd088cc2b 100644
--- a/modules/theora/video_stream_theora.h
+++ b/modules/theora/video_stream_theora.h
@@ -173,10 +173,10 @@ public:
 
 class ResourceFormatLoaderTheora : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 #endif // VIDEO_STREAM_THEORA_H
diff --git a/modules/webp/resource_saver_webp.h b/modules/webp/resource_saver_webp.h
index 5546c69e6dd3..65cd4377db49 100644
--- a/modules/webp/resource_saver_webp.h
+++ b/modules/webp/resource_saver_webp.h
@@ -39,9 +39,9 @@ public:
 	static Error save_image(const String &p_path, const Ref<Image> &p_img, const bool p_lossy = false, const float p_quality = 0.75f);
 	static Vector<uint8_t> save_image_to_buffer(const Ref<Image> &p_img, const bool p_lossy = false, const float p_quality = 0.75f);
 
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
 
 	ResourceSaverWebP();
 };
diff --git a/scene/resources/compressed_texture.h b/scene/resources/compressed_texture.h
index 5297d79cfe93..439f7c097e2c 100644
--- a/scene/resources/compressed_texture.h
+++ b/scene/resources/compressed_texture.h
@@ -113,10 +113,10 @@ public:
 
 class ResourceFormatLoaderCompressedTexture2D : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 class CompressedTextureLayered : public TextureLayered {
@@ -178,10 +178,10 @@ public:
 
 class ResourceFormatLoaderCompressedTextureLayered : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 class CompressedTexture2DArray : public CompressedTextureLayered {
@@ -264,10 +264,10 @@ public:
 
 class ResourceFormatLoaderCompressedTexture3D : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 #endif // COMPRESSED_TEXTURE_H
diff --git a/scene/resources/resource_format_text.h b/scene/resources/resource_format_text.h
index 02898ce98426..c05b7a24e15e 100644
--- a/scene/resources/resource_format_text.h
+++ b/scene/resources/resource_format_text.h
@@ -139,17 +139,17 @@ public:
 class ResourceFormatLoaderText : public ResourceFormatLoader {
 public:
 	static ResourceFormatLoaderText *singleton;
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const;
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual void get_classes_used(const String &p_path, HashSet<StringName> *r_classes);
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual void get_classes_used(const String &p_path, HashSet<StringName> *r_classes) override;
 
-	virtual String get_resource_type(const String &p_path) const;
-	virtual String get_resource_script_class(const String &p_path) const;
-	virtual ResourceUID::ID get_resource_uid(const String &p_path) const;
-	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
-	virtual Error rename_dependencies(const String &p_path, const HashMap<String, String> &p_map);
+	virtual String get_resource_type(const String &p_path) const override;
+	virtual String get_resource_script_class(const String &p_path) const override;
+	virtual ResourceUID::ID get_resource_uid(const String &p_path) const override;
+	virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false) override;
+	virtual Error rename_dependencies(const String &p_path, const HashMap<String, String> &p_map) override;
 
 	static Error convert_file_to_binary(const String &p_src_path, const String &p_dst_path);
 
@@ -199,10 +199,10 @@ public:
 class ResourceFormatSaverText : public ResourceFormatSaver {
 public:
 	static ResourceFormatSaverText *singleton;
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual Error set_uid(const String &p_path, ResourceUID::ID p_uid);
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual Error set_uid(const String &p_path, ResourceUID::ID p_uid) override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
 
 	ResourceFormatSaverText();
 };
diff --git a/scene/resources/shader.h b/scene/resources/shader.h
index ca889940ef1c..921143c219c5 100644
--- a/scene/resources/shader.h
+++ b/scene/resources/shader.h
@@ -96,17 +96,17 @@ VARIANT_ENUM_CAST(Shader::Mode);
 
 class ResourceFormatLoaderShader : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 class ResourceFormatSaverShader : public ResourceFormatSaver {
 public:
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // SHADER_H
diff --git a/scene/resources/shader_include.h b/scene/resources/shader_include.h
index a8949b327e0e..9fb42716234c 100644
--- a/scene/resources/shader_include.h
+++ b/scene/resources/shader_include.h
@@ -58,17 +58,17 @@ public:
 
 class ResourceFormatLoaderShaderInclude : public ResourceFormatLoader {
 public:
-	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
-	virtual void get_recognized_extensions(List<String> *p_extensions) const;
-	virtual bool handles_type(const String &p_type) const;
-	virtual String get_resource_type(const String &p_path) const;
+	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual bool handles_type(const String &p_type) const override;
+	virtual String get_resource_type(const String &p_path) const override;
 };
 
 class ResourceFormatSaverShaderInclude : public ResourceFormatSaver {
 public:
-	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
-	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
-	virtual bool recognize(const Ref<Resource> &p_resource) const;
+	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
+	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
+	virtual bool recognize(const Ref<Resource> &p_resource) const override;
 };
 
 #endif // SHADER_INCLUDE_H