diff --git a/lib/krb5/config_file.c b/lib/krb5/config_file.c
index eebe981fa..f6c39c6ca 100644
--- a/lib/krb5/config_file.c
+++ b/lib/krb5/config_file.c
@@ -31,6 +31,8 @@
  * SUCH DAMAGE.
  */
 
+#define KRB5_DEPRECATED
+
 #include "krb5_locl.h"
 
 /* Gaah! I want a portable funopen */