diff --git a/mozilla/js/src/editline/editline.c b/mozilla/js/src/editline/editline.c
index 7bbbcb91323..0f0210b39a1 100644
--- a/mozilla/js/src/editline/editline.c
+++ b/mozilla/js/src/editline/editline.c
@@ -64,7 +64,6 @@
 #include "editline.h"
 #include <signal.h>
 #include <ctype.h>
-#include <unistd.h>
 
 /*
 **  Manifest constants.