diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx
index 6c2b83cf5..1734f1085 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx
@@ -83,7 +83,7 @@ export function InputSidebar({ input }: { input: UiEditorInputProjection }) {
           focusRequest={focusRequest}
           treeIdForNode={(nodeId) => treeIdByNodeId.get(nodeId) ?? null}
           isNodePreviewVisible={input.isNodePreviewVisible}
-          onSelectNode={(treeId, nodeId) => {
+          onSelectNode={(_treeId, nodeId) => {
             // react-arborist emits `onSelect` when its controlled `selection`
             // prop is updated. Overview navigation updates the selection and
             // the status highlight in the same render, so treating that