diff --git a/siu/l2tp/test_connect.c b/siu/l2tp/test_connect.c
index be8990e..774d9f4 100644
--- a/siu/l2tp/test_connect.c
+++ b/siu/l2tp/test_connect.c
@@ -1,7 +1,6 @@
 #include <stdint.h>
 
 #include <stdio.h>
-#include <socket.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <unistd.h>