diff --git a/doc/classes/ImporterMesh.xml b/doc/classes/ImporterMesh.xml
index eeabcd6e12c..28ee5710d93 100644
--- a/doc/classes/ImporterMesh.xml
+++ b/doc/classes/ImporterMesh.xml
@@ -191,8 +191,4 @@
 			</description>
 		</method>
 	</methods>
-	<members>
-		<member name="_data" type="Dictionary" setter="_set_data" getter="_get_data" default="{ &quot;surfaces&quot;: [] }">
-		</member>
-	</members>
 </class>
diff --git a/doc/classes/PackedScene.xml b/doc/classes/PackedScene.xml
index 26d8fa8d5fc..415e468e210 100644
--- a/doc/classes/PackedScene.xml
+++ b/doc/classes/PackedScene.xml
@@ -103,12 +103,6 @@
 			</description>
 		</method>
 	</methods>
-	<members>
-		<member name="_bundled" type="Dictionary" setter="_set_bundled_scene" getter="_get_bundled_scene" default="{ &quot;conn_count&quot;: 0, &quot;conns&quot;: PackedInt32Array(), &quot;editable_instances&quot;: [], &quot;names&quot;: PackedStringArray(), &quot;node_count&quot;: 0, &quot;node_paths&quot;: [], &quot;nodes&quot;: PackedInt32Array(), &quot;variants&quot;: [], &quot;version&quot;: 3 }">
-			A dictionary representation of the scene contents.
-			Available keys include "names" and "variants" for resources, "node_count", "nodes", "node_paths" for nodes, "editable_instances" for paths to overridden nodes, "conn_count" and "conns" for signal connections, and "version" for the format style of the PackedScene.
-		</member>
-	</members>
 	<constants>
 		<constant name="GEN_EDIT_STATE_DISABLED" value="0" enum="GenEditState">
 			If passed to [method instantiate], blocks edits to the scene state.
diff --git a/doc/classes/PortableCompressedTexture2D.xml b/doc/classes/PortableCompressedTexture2D.xml
index 3fc2aa2ab9a..b85fe1de5cd 100644
--- a/doc/classes/PortableCompressedTexture2D.xml
+++ b/doc/classes/PortableCompressedTexture2D.xml
@@ -52,8 +52,6 @@
 		</method>
 	</methods>
 	<members>
-		<member name="_data" type="PackedByteArray" setter="_set_data" getter="_get_data" default="PackedByteArray()">
-		</member>
 		<member name="keep_compressed_buffer" type="bool" setter="set_keep_compressed_buffer" getter="is_keeping_compressed_buffer" default="false">
 			When running on the editor, this class will keep the source compressed data in memory. Otherwise, the source compressed data is lost after loading and the resource can't be re saved.
 			This flag allows to keep the compressed data in memory if you intend it to persist after loading.
diff --git a/scene/resources/3d/importer_mesh.cpp b/scene/resources/3d/importer_mesh.cpp
index b0633c06b96..4f4c485db3b 100644
--- a/scene/resources/3d/importer_mesh.cpp
+++ b/scene/resources/3d/importer_mesh.cpp
@@ -1418,5 +1418,5 @@ void ImporterMesh::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_lightmap_size_hint", "size"), &ImporterMesh::set_lightmap_size_hint);
 	ClassDB::bind_method(D_METHOD("get_lightmap_size_hint"), &ImporterMesh::get_lightmap_size_hint);
 
-	ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "_set_data", "_get_data");
+	ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "_set_data", "_get_data");
 }
diff --git a/scene/resources/packed_scene.cpp b/scene/resources/packed_scene.cpp
index 6fa9965cd1c..0874872cc96 100644
--- a/scene/resources/packed_scene.cpp
+++ b/scene/resources/packed_scene.cpp
@@ -2209,7 +2209,7 @@ void PackedScene::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_get_bundled_scene"), &PackedScene::_get_bundled_scene);
 	ClassDB::bind_method(D_METHOD("get_state"), &PackedScene::get_state);
 
-	ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "_bundled"), "_set_bundled_scene", "_get_bundled_scene");
+	ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "_bundled", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_INTERNAL), "_set_bundled_scene", "_get_bundled_scene");
 
 	BIND_ENUM_CONSTANT(GEN_EDIT_STATE_DISABLED);
 	BIND_ENUM_CONSTANT(GEN_EDIT_STATE_INSTANCE);
diff --git a/scene/resources/portable_compressed_texture.cpp b/scene/resources/portable_compressed_texture.cpp
index 002db30379f..06b5ec6d5a2 100644
--- a/scene/resources/portable_compressed_texture.cpp
+++ b/scene/resources/portable_compressed_texture.cpp
@@ -345,7 +345,7 @@ void PortableCompressedTexture2D::_bind_methods() {
 	ClassDB::bind_static_method("PortableCompressedTexture2D", D_METHOD("set_keep_all_compressed_buffers", "keep"), &PortableCompressedTexture2D::set_keep_all_compressed_buffers);
 	ClassDB::bind_static_method("PortableCompressedTexture2D", D_METHOD("is_keeping_all_compressed_buffers"), &PortableCompressedTexture2D::is_keeping_all_compressed_buffers);
 
-	ADD_PROPERTY(PropertyInfo(Variant::PACKED_BYTE_ARRAY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "_set_data", "_get_data");
+	ADD_PROPERTY(PropertyInfo(Variant::PACKED_BYTE_ARRAY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "_set_data", "_get_data");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size_override", PROPERTY_HINT_NONE, "suffix:px"), "set_size_override", "get_size_override");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "keep_compressed_buffer"), "set_keep_compressed_buffer", "is_keeping_compressed_buffer");