diff --git a/src/core/ipv4/ip_frag.c b/src/core/ipv4/ip_frag.c
index 374c15f6..23e1de8f 100644
--- a/src/core/ipv4/ip_frag.c
+++ b/src/core/ipv4/ip_frag.c
@@ -44,9 +44,7 @@
 #include "lwip/netif.h"
 #include "lwip/snmp.h"
 #include "lwip/stats.h"
-#if LWIP_ICMP
 #include "lwip/icmp.h"
-#endif /* LWIP_ICMP */
 
 #include <string.h>