diff --git a/kdc/524.c b/kdc/524.c
index cb50263aa..2160ce49e 100644
--- a/kdc/524.c
+++ b/kdc/524.c
@@ -33,6 +33,8 @@
 
 #include "kdc_locl.h"
 
+#ifdef KRB4
+
 #include <krb5-v4compat.h>
 
 /*
@@ -394,3 +396,4 @@ _kdc_do_524(krb5_context context,
 	_kdc_free_ent (context, server);
     return ret;
 }
+#endif /* KRB4 */
diff --git a/kdc/v4_dump.c b/kdc/v4_dump.c
index 7d5baaefb..5180f70b2 100644
--- a/kdc/v4_dump.c
+++ b/kdc/v4_dump.c
@@ -33,6 +33,8 @@
 
 #include "hprop.h"
 
+#ifdef KRB4
+
 static time_t
 time_parse(const char *cp)
 {
@@ -139,3 +141,4 @@ v4_prop_dump(void *arg, const char *file)
     fclose(f);
     return 0;
 }
+#endif /* KRB4 */
diff --git a/lib/krb5/name-45-test.c b/lib/krb5/name-45-test.c
index 747dbccda..f6302c961 100644
--- a/lib/krb5/name-45-test.c
+++ b/lib/krb5/name-45-test.c
@@ -35,6 +35,8 @@
 #include "krb5_locl.h"
 #include <err.h>
 
+#ifdef KRB4
+
 enum { MAX_COMPONENTS = 3 };
 
 static struct testcase {
@@ -292,3 +294,9 @@ main(int argc, char **argv)
     }
     return val;
 }
+
+#else /* stub for !KRB4 */
+int main(int argc, char *argv[]) {
+	return 77;
+}
+#endif