1 files changed, 0 insertions, 4 deletions
diff --git a/util.h b/util.h
index 7fbce1f..1c11474 100644
--- a/util.h
+++ b/util.h
@@ -117,10 +117,6 @@ void debug(const char *format, ...);
 
 struct ctx;
 
-uint32_t sum_16b(void *buf, size_t len);
-uint16_t csum_fold(uint32_t sum);
-uint16_t csum_ip4(void *buf, size_t len);
-void csum_tcp4(struct iphdr *iph);
 char *ipv6_l4hdr(struct ipv6hdr *ip6h, uint8_t *proto);
 int sock_l4(struct ctx *c, int af, uint8_t proto, uint16_t port, int lo,
 	    uint32_t data);