found via cppcheck:

remove code that will never run
make definition and declaration names for parameters match
change floats that were being set to bool values
remove pointer that is never used

editor/plugins/baked_lightmap_editor_plugin.cpp

@@ -20,7 +20,6 @@ void BakedLightmapEditorPlugin::_bake() {
 			case BakedLightmap::BAKE_ERROR_CANT_CREATE_IMAGE:
 				EditorNode::get_singleton()->show_warning(TTR("Failed creating lightmap images, make sure path is writable."));
 				break;
-			defaut : {}
 		}
 	}
 }