frontend/src/lib/useUnsavedChangesGuard.tsx

@@ -7,7 +7,7 @@ import {
     useRef,
     useState,
 } from 'react'
-import { useBlocker, useLocation } from 'react-router-dom'
+import { useLocation } from 'react-router-dom'
 
 import { useDialogue } from '@/lib/dialogues/useDialogue'
 
@@ -65,31 +65,6 @@ export const UnsavedChangesGuardProvider: FC<PropsWithChildren> = ({ children })
     return true
   }, [dialogue, source])
 
-  const blocker = useBlocker (() =>
-      source?.dirty === true && !(bypassNextNavigationRef.current))
-
-  useEffect (() => {
-    if (blocker.state !== 'blocked')
-      return
-
-    let cancelled = false
-
-    void (async () => {
-      const confirmed = await confirmDiscardNavigation ()
-      if (cancelled)
-	return
-
-      if (confirmed)
-	blocker.proceed ()
-      else
-	blocker.reset ()
-    }) ()
-
-    return () => {
-      cancelled = true
-    }
-  }, [blocker, confirmDiscardNavigation])
-
   useEffect (() => {
     bypassNextNavigationRef.current = false
   }, [location.hash, location.pathname, location.search])