diff --git a/src/plugins/three/GLTFExtensionsPlugin.d.ts b/src/plugins/three/GLTFExtensionsPlugin.d.ts
index b7c64b50..d2d56ad5 100644
--- a/src/plugins/three/GLTFExtensionsPlugin.d.ts
+++ b/src/plugins/three/GLTFExtensionsPlugin.d.ts
@@ -5,14 +5,14 @@ import { GLTFLoaderPlugin, GLTFParser } from 'three/examples/jsm/loaders/GLTFLoa
 export class GLTFExtensionsPlugin {
 
 	constructor( options: {
-		metadata: boolean,
-		rtc: boolean,
+		metadata?: boolean,
+		rtc?: boolean,
 
-		plugins: Array<( parser: GLTFParser ) => GLTFLoaderPlugin>,
+		plugins?: Array<( parser: GLTFParser ) => GLTFLoaderPlugin>,
 
-		dracoLoader: DRACOLoader | null,
-		ktxLoader: KTX2Loader | null,
-		autoDispose: boolean,
+		dracoLoader?: DRACOLoader | null,
+		ktxLoader?: KTX2Loader | null,
+		autoDispose?: boolean,
 	} );
 
 }
diff --git a/src/plugins/three/GoogleCloudAuthPlugin.d.ts b/src/plugins/three/GoogleCloudAuthPlugin.d.ts
index b117e4a5..e98ed4ff 100644
--- a/src/plugins/three/GoogleCloudAuthPlugin.d.ts
+++ b/src/plugins/three/GoogleCloudAuthPlugin.d.ts
@@ -1,5 +1,10 @@
 export class GoogleCloudAuthPlugin {
 
-	constructor( options : { apiToken: string, autoRefreshToken?: boolean } );
+	constructor( options: {
+		apiToken: string,
+		autoRefreshToken?: boolean,
+		logoUrl?: string,
+		useRecommendedSettings?: boolean;
+	} );
 
 }
diff --git a/src/plugins/three/ReorientationPlugin.d.ts b/src/plugins/three/ReorientationPlugin.d.ts
index d495de55..295bdc19 100644
--- a/src/plugins/three/ReorientationPlugin.d.ts
+++ b/src/plugins/three/ReorientationPlugin.d.ts
@@ -1,12 +1,12 @@
 export class ReorientationPlugin {
 
-	constructor( options: {
-		up: '+x' | '-x' | '+y' | '-y' | '+z' | '-z',
-		recenter: boolean,
+	constructor( options?: {
+		up?: '+x' | '-x' | '+y' | '-y' | '+z' | '-z',
+		recenter?: boolean,
 
-		lat: number | null,
-		lon: number | null,
-		height: number,
+		lat?: number | null,
+		lon?: number | null,
+		height?: number,
 	} );
 
 }
diff --git a/src/plugins/three/TileCompressionPlugin.d.ts b/src/plugins/three/TileCompressionPlugin.d.ts
index d565a544..ee893188 100644
--- a/src/plugins/three/TileCompressionPlugin.d.ts
+++ b/src/plugins/three/TileCompressionPlugin.d.ts
@@ -2,17 +2,17 @@ import { TypedArray } from 'three';
 
 export class TileCompressionPlugin {
 
-	constructor( options: {
-		generateNormals: boolean,
-		disableMipmaps: boolean,
-		compressIndex: boolean,
-		compressNormals: boolean,
-		compressUvs: boolean,
-		compressPosition: boolean,
+	constructor( options?: {
+		generateNormals?: boolean,
+		disableMipmaps?: boolean,
+		compressIndex?: boolean,
+		compressNormals?: boolean,
+		compressUvs?: boolean,
+		compressPosition?: boolean,
 
-		uvType: TypedArray,
-		normalType: TypedArray,
-		positionType: TypedArray,
+		uvType?: TypedArray,
+		normalType?: TypedArray,
+		positionType?: TypedArray,
 	} );
 
 }
diff --git a/src/plugins/three/UnloadTilesPlugin.d.ts b/src/plugins/three/UnloadTilesPlugin.d.ts
index 5d4ec452..0c871e02 100644
--- a/src/plugins/three/UnloadTilesPlugin.d.ts
+++ b/src/plugins/three/UnloadTilesPlugin.d.ts
@@ -1,8 +1,8 @@
 export class UnloadTilesPlugin {
 
-	constructor( options: {
-		delay: number,
-		bytesTarget: number,
+	constructor( options?: {
+		delay?: number,
+		bytesTarget?: number,
 	} );
 
 }
diff --git a/src/plugins/three/fade/TilesFadePlugin.d.ts b/src/plugins/three/fade/TilesFadePlugin.d.ts
index 34427d17..dcbd76ad 100644
--- a/src/plugins/three/fade/TilesFadePlugin.d.ts
+++ b/src/plugins/three/fade/TilesFadePlugin.d.ts
@@ -1,9 +1,9 @@
 export class TilesFadePlugin {
 
-	constructor( options: {
-		maximumFadeOutTiles: number,
-		fadeRootTiles: boolean,
-		fadeDuration: number,
+	constructor( options?: {
+		maximumFadeOutTiles?: number,
+		fadeRootTiles?: boolean,
+		fadeDuration?: number,
 	} );
 
 }