diff --git a/examples/js/exporters/GLTFExporter.js b/examples/js/exporters/GLTFExporter.js
index c3a7c693cadc88864275bd1d1332cbd730b96f4b..e2f0c7cf82711b78c3913c3138928b1e40aec2fd 100644
--- a/examples/js/exporters/GLTFExporter.js
+++ b/examples/js/exporters/GLTFExporter.js
@@ -1906,12 +1906,6 @@ THREE.GLTFExporter.prototype = {
 
 			}
 
-			if ( scene.userData && Object.keys( scene.userData ).length > 0 ) {
-
-				gltfScene.extras = serializeUserData( scene );
-
-			}
-
 			outputJSON.scenes.push( gltfScene );
 
 			var nodes = [];
diff --git a/examples/jsm/exporters/GLTFExporter.js b/examples/jsm/exporters/GLTFExporter.js
index 1c94bfb4d53d44751b79aeee120796d1370bd5d3..38c3d5eebd22426928786124911787b35df6f304 100644
--- a/examples/jsm/exporters/GLTFExporter.js
+++ b/examples/jsm/exporters/GLTFExporter.js
@@ -1928,12 +1928,6 @@ GLTFExporter.prototype = {
 
 			}
 
-			if ( scene.userData && Object.keys( scene.userData ).length > 0 ) {
-
-				gltfScene.extras = serializeUserData( scene );
-
-			}
-
 			outputJSON.scenes.push( gltfScene );
 
 			var nodes = [];