diff --git a/reactos/base/shell/explorer-new/explorer.c b/reactos/base/shell/explorer-new/explorer.c
index 91c5dc0f4f8..a5544182054 100644
--- a/reactos/base/shell/explorer-new/explorer.c
+++ b/reactos/base/shell/explorer-new/explorer.c
@@ -246,15 +246,6 @@ GetExplorerRegValueSet(IN HKEY hKey,
 }
 
 
-#if 1
-/* FIXME: Should be implemented in shell32 */
-BOOL WINAPI IsUserAnAdmin(VOID)
-{
-    HRESULT WINAPI IsUserAdmin(void);
-    return (BOOL)IsUserAdmin();
-}
-#endif
-
 static BOOL
 SetShellReadyEvent(IN LPCTSTR lpEventName)
 {