diff --git a/lib/krb5/creds.c b/lib/krb5/creds.c
index 4d78333b2..b91a5605b 100644
--- a/lib/krb5/creds.c
+++ b/lib/krb5/creds.c
@@ -35,15 +35,15 @@
 
 RCSID("$Id$");
 
-#undef __attribute__
-#define __attribute__(X)
+#undef KRB5_DEPRECATED
+#define KRB5_DEPRECATED
 
 #ifndef HEIMDAL_SMALLER
 
 /* keep this for compatibility with older code */
 krb5_error_code KRB5_LIB_FUNCTION
 krb5_free_creds_contents (krb5_context context, krb5_creds *c)
-    __attribute__((deprecated))
+    KRB5_DEPRECATED
 {
     return krb5_free_cred_contents (context, c);
 }