diff --git a/sys/contrib/ipfilter/netinet/radix_ipf.c b/sys/contrib/ipfilter/netinet/radix_ipf.c
index b92ed5e278e..adbceca0530 100644
--- a/sys/contrib/ipfilter/netinet/radix_ipf.c
+++ b/sys/contrib/ipfilter/netinet/radix_ipf.c
@@ -103,7 +103,6 @@ buildnodes(addr, mask, nodes)
 	ipf_rdx_node_t nodes[2];
 {
 	u_32_t maskbits;
-	u_32_t lastbits;
 	u_32_t lastmask;
 	u_32_t *last;
 	int masklen;
@@ -117,7 +116,6 @@ buildnodes(addr, mask, nodes)
 		masklen = last - (u_32_t *)mask;
 		lastmask = *last;
 	}
-	lastbits = maskbits & 0x1f;
 
 	bzero(&nodes[0], sizeof(ipf_rdx_node_t) * 2);
 	nodes[0].maskbitcount = maskbits;