diff --git a/adsbus/outgoing.c b/adsbus/outgoing.c
index fb1124b..3054219 100644
--- a/adsbus/outgoing.c
+++ b/adsbus/outgoing.c
@@ -6,6 +6,7 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 #include "buf.h"
 #include "flow.h"
diff --git a/adsbus/wakeup.c b/adsbus/wakeup.c
index 8aff73c..1b66073 100644
--- a/adsbus/wakeup.c
+++ b/adsbus/wakeup.c
@@ -1,5 +1,4 @@
 #include <assert.h>
-#include <limits.h>
 #include <stdlib.h>
 #include <sys/timerfd.h>
 #include <unistd.h>