diff --git a/asyncqueue.c b/asyncqueue.c
index e754eb73..e1a91337 100644
--- a/asyncqueue.c
+++ b/asyncqueue.c
@@ -18,7 +18,6 @@
 #include <ctype.h>
 #include <stdarg.h>
 #include <sics.h>
-#include <rs232controller.h>
 #include "network.h"
 #include "asyncqueue.h"
 #include "nwatch.h"