diff --git a/seahub/views/ajax.py b/seahub/views/ajax.py
index db4104f072..1faf96a9ac 100644
--- a/seahub/views/ajax.py
+++ b/seahub/views/ajax.py
@@ -2362,10 +2362,6 @@ def set_user_folder_perm(request, repo_id):
         return HttpResponse(json.dumps({"error": _('Library does not exist')}),
                             status=400, content_type=content_type)
 
-    if check_folder_permission(request, repo_id, path) != 'rw':
-        return HttpResponse(json.dumps({"error": _('Permission denied')}),
-                            status=403, content_type=content_type)
-
     if is_org_context(request):
         repo_owner = seafile_api.get_org_repo_owner(repo_id)
     else:
@@ -2508,10 +2504,6 @@ def set_group_folder_perm(request, repo_id):
         return HttpResponse(json.dumps({"error": _('Library does not exist')}),
                             status=400, content_type=content_type)
 
-    if check_folder_permission(request, repo_id, path) != 'rw':
-        return HttpResponse(json.dumps({"error": _('Permission denied')}),
-                            status=403, content_type=content_type)
-
     if is_org_context(request):
         repo_owner = seafile_api.get_org_repo_owner(repo_id)
     else: