diff --git a/nfq/darkmagic.c b/nfq/darkmagic.c
index 1a859c9..ef0b5d5 100644
--- a/nfq/darkmagic.c
+++ b/nfq/darkmagic.c
@@ -1321,7 +1321,6 @@ static bool logical_net_filter_match_rate_limited(void)
 static HANDLE windivert_init_filter(const char *filter, UINT64 flags)
 {
 	LPSTR errormessage = NULL;
-	DWORD errorcode = 0;
 	HANDLE h, hMutex;
 	const char *mutex_name = "Global\\winws_windivert_mutex";