diff --git a/lib/asn1/der_free.c b/lib/asn1/der_free.c
new file mode 100644
index 000000000..5409015a2
--- /dev/null
+++ b/lib/asn1/der_free.c
@@ -0,0 +1,31 @@
+/* $Id$ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "der.h"
+
+void
+free_integer (unsigned *num)
+{
+}
+
+int
+free_general_string (char **str)
+{
+    free(*str);
+}
+
+int
+free_octet_string (krb5_data *k)
+{
+    free(k->data);
+}
+
+int
+free_generalized_time (unsigned char *p, int len, time_t *t)
+{
+}