diff --git a/Models/SunglassesKhronos/glTF-Binary/SunglassesKhronos.glb b/Models/SunglassesKhronos/glTF-Binary/SunglassesKhronos.glb
index 3b095428..c4e26fe0 100644
Binary files a/Models/SunglassesKhronos/glTF-Binary/SunglassesKhronos.glb and b/Models/SunglassesKhronos/glTF-Binary/SunglassesKhronos.glb differ
diff --git a/Models/SunglassesKhronos/glTF/SunglassesKhronos.gltf b/Models/SunglassesKhronos/glTF/SunglassesKhronos.gltf
index 5a3080bb..4a1f56bf 100644
--- a/Models/SunglassesKhronos/glTF/SunglassesKhronos.gltf
+++ b/Models/SunglassesKhronos/glTF/SunglassesKhronos.gltf
@@ -570,7 +570,6 @@
   ],
   "extensionsUsed": [
     "KHR_materials_transmission",
-    "KHR_materials_specular",
     "KHR_materials_volume",
     "KHR_materials_ior",
     "KHR_materials_iridescence"