diff --git a/include/uapi/linux/shm.h b/include/uapi/linux/shm.h
index 8d1f17a4e08e..7269f9f402e3 100644
--- a/include/uapi/linux/shm.h
+++ b/include/uapi/linux/shm.h
@@ -5,9 +5,6 @@
 #include <linux/ipc.h>
 #include <linux/errno.h>
 #include <asm-generic/hugetlb_encode.h>
-#ifndef __KERNEL__
-#include <unistd.h>
-#endif
 
 /*
  * SHMMNI, SHMMAX and SHMALL are default upper limits which can be