diff --git a/packages/frontend-misskey-world-engine/src/babylonRuntime.ts b/packages/frontend-misskey-world-engine/src/babylonRuntime.ts
index 5fca976e04..7e3da99112 100644
--- a/packages/frontend-misskey-world-engine/src/babylonRuntime.ts
+++ b/packages/frontend-misskey-world-engine/src/babylonRuntime.ts
@@ -8,19 +8,6 @@ import * as BABYLON from '@babylonjs/core/pure';
 export function registerBabylonRuntime(): void {
 	BABYLON.RegisterFullEngineExtensions();
 	BABYLON.RegisterFullWebGPUEngineExtensions();
-	//BABYLON.RegisterAbstractEngineAlpha();
-	//BABYLON.RegisterAbstractEngineTexture();
-	//BABYLON.RegisterAbstractEngineCubeTexture();
-	//BABYLON.RegisterAbstractEngineQuery();
-	//BABYLON.RegisterAbstractEngineTextureSelector();
-	//BABYLON.RegisterAbstractEngineTimeQuery();
-	//BABYLON.RegisterAbstractEngineViews();
-	//BABYLON.RegisterEnginesWebGPUExtensionsEngineRawTexture();
-	//BABYLON.RegisterEnginesWebGPUExtensionsEngineReadTexture();
-	//BABYLON.RegisterEnginesWebGPUExtensionsEngineCubeTexture();
-	//BABYLON.RegisterEnginesWebGPUExtensionsEngineRenderTargetCube();
-	//BABYLON.RegisterEnginesWebGPUExtensionsEngineQuery();
-	//BABYLON.RegisterEnginesWebGPUExtensionsEngineDynamicTexture();
 	BABYLON.RegisterBufferAlign();
 	BABYLON.RegisterCubeTexture();
 	BABYLON.RegisterStandardMaterial();