diff --git a/net/ipforward/ipv4_forward.c b/net/ipforward/ipv4_forward.c
index 19e365b5b2..edebe410ce 100644
--- a/net/ipforward/ipv4_forward.c
+++ b/net/ipforward/ipv4_forward.c
@@ -152,10 +152,9 @@ static int ipv4_hdrsize(FAR struct ipv4_hdr_s *ipv4)
 
 static int ipv4_decr_ttl(FAR struct ipv4_hdr_s *ipv4)
 {
-  FAR struct ipv4_hdr_s *ipv4 = IPv4BUF;
   uint16_t iphdrlen;
   uint16_t sum;
-  int ttl
+  int ttl;
 
   /* Check time-to-live (TTL) */