diff --git a/src/include/compact_set.h b/src/include/compact_set.h
index fcd847baff8..63707abc4c7 100644
--- a/src/include/compact_set.h
+++ b/src/include/compact_set.h
@@ -12,7 +12,11 @@
 #ifndef CEPH_COMPACT_SET_H
 #define CEPH_COMPACT_SET_H
 
-#include <set>
+#include <stdlib.h>
+
+#include "include/buffer.h"
+#include "include/encoding.h"
+
 
 template <class T, class Set>
 class compact_set_base {