diff --git a/src/lib/hooks/useCallOnce.ts b/src/lib/hooks/useCallOnce.ts
deleted file mode 100644
index 33e0d6b974..0000000000
--- a/src/lib/hooks/useCallOnce.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import {useCallback} from 'react'
-
-export enum OnceKey {
-  PreferencesThread = 'preferences:thread',
-}
-
-const called: Record<OnceKey, boolean> = {
-  [OnceKey.PreferencesThread]: false,
-}
-
-// TODO dedupe with runCallbackOnce
-export function useCallOnce(key: OnceKey) {
-  return useCallback(
-    (cb: () => void) => {
-      if (called[key] === true) return
-      called[key] = true
-      cb()
-    },
-    [key],
-  )
-}