diff --git a/lang/cem/cemcom.ansi/atw.h b/lang/cem/cemcom.ansi/atw.h
index b63129852..e90b126ea 100644
--- a/lang/cem/cemcom.ansi/atw.h
+++ b/lang/cem/cemcom.ansi/atw.h
@@ -7,8 +7,4 @@
 
 #include "sizes.h"
 
-#if word_size==2 || word_size==4
-#define	ATW(arg)	(((arg) + (word_size - 1)) & ~ (word_size - 1))
-#else
 #define	ATW(arg)	((((arg) + ((int)word_size - 1)) / word_size) * word_size)
-#endif