diff --git a/ares/ares.h b/ares/ares.h
index e00d88b3d..c1b10d061 100644
--- a/ares/ares.h
+++ b/ares/ares.h
@@ -124,7 +124,7 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
 			 int addrlen, int family, struct hostent **host);
 void ares_free_string(char *str);
 void ares_free_hostent(struct hostent *host);
-const char *ares_strerror(int code, char **memptr);
+const char *ares_strerror(int code);
 void ares_free_errmem(char *mem);
 
 #endif /* ARES__H */
diff --git a/ares/ares_strerror.c b/ares/ares_strerror.c
index c8fc111a1..7918e660c 100644
--- a/ares/ares_strerror.c
+++ b/ares/ares_strerror.c
@@ -13,16 +13,12 @@
  * without express or implied warranty.
  */
 
-static const char rcsid[] = "$Id$";
-
 #include <assert.h>
 #include "ares.h"
 
-const char *ares_strerror(int code, char **memptr)
+const char *ares_strerror(int code)
 {
-  /* A future implementation may want to handle internationalization.
-   * For now, just return a string literal from a table.
-   */
+  /* Return a string literal from a table. */
   const char *errtext[] = {
     "Successful completion",
     "DNS server returned answer with no data",