diff --git a/sandboxed_api/sandbox2/policy.cc b/sandboxed_api/sandbox2/policy.cc
index 6fa2f85..b7a151f 100644
--- a/sandboxed_api/sandbox2/policy.cc
+++ b/sandboxed_api/sandbox2/policy.cc
@@ -20,7 +20,6 @@
 #include <linux/audit.h>
 #include <linux/ipc.h>
 #include <sched.h>
-#include <sys/mman.h>
 #include <syscall.h>
 
 #include <cstring>