diff --git a/appl/rsh/rsh.c b/appl/rsh/rsh.c
index d350b088c..b80d098fc 100644
--- a/appl/rsh/rsh.c
+++ b/appl/rsh/rsh.c
@@ -44,8 +44,10 @@ char tkfile[MAXPATHLEN];
 krb5_context context;
 krb5_keyblock *keyblock;
 krb5_crypto crypto;
+#ifdef KRB4
 des_key_schedule schedule;
 des_cblock iv;
+#endif
 
 
 /*
diff --git a/appl/rsh/rsh_locl.h b/appl/rsh/rsh_locl.h
index a13d633c7..66f75a0ff 100644
--- a/appl/rsh/rsh_locl.h
+++ b/appl/rsh/rsh_locl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1999 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -123,8 +123,10 @@ extern int do_encrypt;
 extern krb5_context context;
 extern krb5_keyblock *keyblock;
 extern krb5_crypto crypto;
+#ifdef KRB4
 extern des_key_schedule schedule;
 extern des_cblock iv;
+#endif
 
 #define KCMD_VERSION "KCMDV0.1"
 
diff --git a/appl/rsh/rshd.c b/appl/rsh/rshd.c
index 12c14b0a0..3dd10cd64 100644
--- a/appl/rsh/rshd.c
+++ b/appl/rsh/rshd.c
@@ -39,8 +39,11 @@ enum auth_method auth_method;
 krb5_context context;
 krb5_keyblock *keyblock;
 krb5_crypto crypto;
+
+#ifdef KRB4
 des_key_schedule schedule;
 des_cblock iv;
+#endif
 
 krb5_ccache ccache, ccache2;
 int kerberos_status = 0;