diff --git a/skeletons/BIT_STRING.h b/skeletons/BIT_STRING.h
index f9ebf9b..ff622a3 100644
--- a/skeletons/BIT_STRING.h
+++ b/skeletons/BIT_STRING.h
@@ -5,10 +5,9 @@
 #ifndef	_BIT_STRING_H_
 #define	_BIT_STRING_H_
 
-#include <constr_TYPE.h>
 #include <OCTET_STRING.h>
 
-typedef OCTET_STRING_t BIT_STRING_t; /* Implemented in terms of OCTET STRING */
+typedef OCTET_STRING_t BIT_STRING_t; /* Implemented via OCTET STRING */
 
 extern asn1_TYPE_descriptor_t asn1_DEF_BIT_STRING;