diff --git a/src/materials/MeshStandardMaterial.d.ts b/src/materials/MeshStandardMaterial.d.ts
index 206ae0b3d626f3ebfcb7c9514a75eefe050c1cd9..a9c1eb1f4ce0d4458f67de64ec95d7193f5adfdb 100644
--- a/src/materials/MeshStandardMaterial.d.ts
+++ b/src/materials/MeshStandardMaterial.d.ts
@@ -29,7 +29,6 @@ export interface MeshStandardMaterialParameters extends MaterialParameters {
 	alphaMap?: Texture;
 	envMap?: Texture;
 	envMapIntensity?: number;
-	energyPreservation?: boolean;
 	refractionRatio?: number;
 	wireframe?: boolean;
 	wireframeLinewidth?: number;
@@ -67,7 +66,6 @@ export class MeshStandardMaterial extends Material {
 	alphaMap: Texture | null;
 	envMap: Texture | null;
 	envMapIntensity: number;
-	energyPreservation: boolean;
 	refractionRatio: number;
 	wireframe: boolean;
 	wireframeLinewidth: number;