diff --git a/sys/netinet/tcp_debug.c b/sys/netinet/tcp_debug.c
index 531d894453f7..89e9d7cbc94a 100644
--- a/sys/netinet/tcp_debug.c
+++ b/sys/netinet/tcp_debug.c
@@ -55,7 +55,6 @@
 #include <sys/protosw.h>
 #include <sys/socket.h>
 
-#include <net/route.h>
 #include <netinet/in.h>
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>