diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h
index 13d57548b6..a964681b77 100644
--- a/tools/libxc/include/xenctrl.h
+++ b/tools/libxc/include/xenctrl.h
@@ -32,7 +32,6 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdbool.h>
-#include <unistd.h>
 #include <xen/xen.h>
 #include <xen/domctl.h>
 #include <xen/physdev.h>