diff --git a/tools/testing/selftests/net/gro.c b/tools/testing/selftests/net/gro.c
index 6038b96ecee8..353e1e867fbb 100644
--- a/tools/testing/selftests/net/gro.c
+++ b/tools/testing/selftests/net/gro.c
@@ -119,9 +119,6 @@ static void setup_sock_filter(int fd)
 		next_off = offsetof(struct ipv6hdr, nexthdr);
 	ipproto_off = ETH_HLEN + next_off;
 
-	/* Overridden later if exthdrs are used: */
-	opt_ipproto_off = ipproto_off;
-
 	if (strcmp(testname, "ip") == 0) {
 		if (proto == PF_INET)
 			optlen = sizeof(struct ip_timestamp);