diff --git a/frontend/src/hooks/useSelect.ts b/frontend/src/hooks/useSelect.ts
deleted file mode 100644
index f48158db..00000000
--- a/frontend/src/hooks/useSelect.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import { useCallback, useState } from 'react';
-
-export const useSelect = (initialSelectedId: number | string) => {
-  const [selected, setSelected] = useState(initialSelectedId);
-
-  const handleSelectClick = useCallback((selectedId: number | string) => {
-    setSelected(selectedId);
-  }, []);
-
-  return { selected, handleSelectClick };
-};
diff --git a/frontend/src/lib/CustomMarkerClusterer.ts b/frontend/src/lib/CustomMarkerClusterer.ts
index 3d145874..3aafed48 100644
--- a/frontend/src/lib/CustomMarkerClusterer.ts
+++ b/frontend/src/lib/CustomMarkerClusterer.ts
@@ -1,6 +1,4 @@
 import {
-  Cluster,
-  ClusterStats,
   Marker,
   MarkerClusterer,
   MarkerClustererEvents,