diff --git a/lib/gssapi/ntlm/ntlm.h b/lib/gssapi/ntlm/ntlm.h
index 3c90060d6..5df8f6f51 100644
--- a/lib/gssapi/ntlm/ntlm.h
+++ b/lib/gssapi/ntlm/ntlm.h
@@ -55,6 +55,7 @@
 
 #include <heimntlm.h>
 
+#define HC_DEPRECATED_CRYPTO
 #include "crypto-headers.h"
 
 typedef OM_uint32