diff --git a/types/three/src/materials/Material.d.ts b/types/three/src/materials/Material.d.ts
index 675d6ae23..ae447ddad 100644
--- a/types/three/src/materials/Material.d.ts
+++ b/types/three/src/materials/Material.d.ts
@@ -181,12 +181,6 @@ export class Material extends EventDispatcher {
      */
     fog: boolean;
 
-    /**
-     * When this property is set to THREE.RGBFormat, the material is considered to be opaque and alpha values are ignored.
-     * @default THREE.RGBAFormat
-     */
-    format: PixelFormat;
-
     /**
      * Unique number of this material instance.
      */