diff --git a/dgamelaunch.c b/dgamelaunch.c
index 6b42812..8a5a704 100644
--- a/dgamelaunch.c
+++ b/dgamelaunch.c
@@ -68,10 +68,6 @@
 # include <pty.h>
 #endif
 
-#ifndef ARRAY_SIZE
-# define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
-#endif
-
 #include <fcntl.h>
 #include <pwd.h>
 #include <grp.h>