diff --git a/src/app/babylon/tool/babylon-tool.ts b/src/app/babylon/tool/babylon-tool.ts
index 7aee30a..de9b205 100644
--- a/src/app/babylon/tool/babylon-tool.ts
+++ b/src/app/babylon/tool/babylon-tool.ts
@@ -1,4 +1,3 @@
-import { NumberValueAccessor } from '@angular/forms';
 import {
   AbstractMesh,
   Animation,