diff --git a/packages/frontend/src/world/room/engine.ts b/packages/frontend/src/world/room/engine.ts
index 9724daf1a7..6fdabd26ba 100644
--- a/packages/frontend/src/world/room/engine.ts
+++ b/packages/frontend/src/world/room/engine.ts
@@ -809,12 +809,14 @@ export class RoomEngine extends EventEmitter<RoomEngineEvents> {
 			if (merged != null) {
 				merged.setParent(subRoot);
 				merged.name = 'preMerged';
-				merged.material.freeze();
-				if (merged.material instanceof BABYLON.MultiMaterial) {
-					for (const subMat of merged.material.subMaterials) {
-						subMat.freeze();
-					}
-				}
+
+				// freezeするとbabylon 9.3.2以降、snapshot rendering + clustered lighting + selection outlineの組み合わせでなんかレンダリングがグリッチする
+				//merged.material.freeze();
+				//if (merged.material instanceof BABYLON.MultiMaterial) {
+				//	for (const subMat of merged.material.subMaterials) {
+				//		subMat.freeze();
+				//	}
+				//}
 
 				// TODO: 再帰的にする
 				for (const m of loaderResult.transformNodes) {
diff --git a/packages/frontend/src/world/room/utility.ts b/packages/frontend/src/world/room/utility.ts
index 46e50eff94..02d8c57bad 100644
--- a/packages/frontend/src/world/room/utility.ts
+++ b/packages/frontend/src/world/room/utility.ts
@@ -306,12 +306,13 @@ export class ModelManager {
 
 		const merged = BABYLON.Mesh.MergeMeshes(toMerge, true, false, undefined, false, true);
 		merged.parent = this.root;
-		merged.material.freeze();
-		if (merged.material instanceof BABYLON.MultiMaterial) {
-			for (const subMat of merged.material.subMaterials) {
-				(subMat as BABYLON.PBRMaterial).freeze();
-			}
-		}
+		// freezeするとbabylon 9.3.2以降、snapshot rendering + clustered lighting + selection outlineの組み合わせでなんかレンダリングがグリッチする
+		//merged.material.freeze();
+		//if (merged.material instanceof BABYLON.MultiMaterial) {
+		//	for (const subMat of merged.material.subMaterials) {
+		//		(subMat as BABYLON.PBRMaterial).freeze();
+		//	}
+		//}
 		merged.freezeWorldMatrix();
 		merged.metadata = { ...this.root.metadata };
 		if (!this.hasTexture) merged.convertToUnIndexedMesh();