diff --git a/src/if_monitor.c b/src/if_monitor.c
index 9dcbd38f..70424bc5 100644
--- a/src/if_monitor.c
+++ b/src/if_monitor.c
@@ -19,7 +19,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/ioctl.h>
 #include <unistd.h>
 
 #include <arpa/inet.h>
diff --git a/src/test-c99.sh b/src/test-c99.sh
index 0d9f28dc..5f9ac122 100644
--- a/src/test-c99.sh
+++ b/src/test-c99.sh
@@ -13,7 +13,6 @@ $CC $CFLAGS -std=c99 -D_XOPEN_SOURCE=600 -o /dev/null -xc - 2>/dev/null <<EOF
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/ioctl.h>
 #include <unistd.h>
 
 #include <arpa/inet.h>