diff --git a/apps/ai-game-creator-shell/src/features/ui-editor/stateInvariants.ts b/apps/ai-game-creator-shell/src/features/ui-editor/stateInvariants.ts
index bcac9112a..9d14e1f44 100644
--- a/apps/ai-game-creator-shell/src/features/ui-editor/stateInvariants.ts
+++ b/apps/ai-game-creator-shell/src/features/ui-editor/stateInvariants.ts
@@ -2,11 +2,7 @@ import type { Node } from './types/Node';
 import type { State } from './types/State';
 
 export type UiDesignInvariantIssue = {
-  code:
-    | 'missing-image'
-    | 'duplicate-node'
-    | 'invalid-image'
-    | 'missing-tree-image';
+  code: 'duplicate-node' | 'invalid-image' | 'missing-tree-image';
   message: string;
 };