diff --git a/include/rpc/des.h b/include/rpc/des.h
index abb17899af32..f41e5a780481 100644
--- a/include/rpc/des.h
+++ b/include/rpc/des.h
@@ -56,6 +56,14 @@ struct desparams {
 #	define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
 };
 
+#ifdef notdef
+
+/*
+ * These ioctls are only implemented in SunOS. Maybe someday
+ * if somebody writes a driver for DES hardware that works
+ * with FreeBSD, we can being that back.
+ */
+
 /*
  * Encrypt an arbitrary sized buffer
  */
@@ -66,6 +74,8 @@ struct desparams {
  */
 #define DESIOCQUICK	_IOWR(d, 7, struct desparams) 
 
+#endif
+
 /*
  * Software DES.
  */