diff --git a/src/three/GLTFExtensionLoader.js b/src/three/GLTFExtensionLoader.js
index 861c5c4c4..efcd16aaf 100644
--- a/src/three/GLTFExtensionLoader.js
+++ b/src/three/GLTFExtensionLoader.js
@@ -2,7 +2,7 @@ import { DefaultLoadingManager } from 'three';
 import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader.js';
 import { LoaderBase } from '../base/LoaderBase.js';
 import { GLTFCesiumRTCExtension } from './gltf/GLTFCesiumRTCExtension.js';
-import { GLTFMeshFeaturesExtension } from './gltf/GLTFMeshFeaturesExtension.js';
+// import { GLTFMeshFeaturesExtension } from './gltf/GLTFMeshFeaturesExtension.js';
 
 export class GLTFExtensionLoader extends LoaderBase {
 
@@ -26,7 +26,7 @@ export class GLTFExtensionLoader extends LoaderBase {
 				loader = new GLTFLoader( manager );
 
 				loader.register( () => new GLTFCesiumRTCExtension() );
-				loader.register( () => new GLTFMeshFeaturesExtension() );
+				// loader.register( () => new GLTFMeshFeaturesExtension() );
 				if ( fetchOptions.credentials === 'include' && fetchOptions.mode === 'cors' ) {
 
 					loader.setCrossOrigin( 'use-credentials' );