diff --git a/edit.c b/edit.c
index 51f3bbc..d18533f 100644
--- a/edit.c
+++ b/edit.c
@@ -28,7 +28,7 @@
 
 #ifndef MKSH_NO_CMDLINE_EDITING
 
-__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.262 2013/02/10 17:38:13 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.263 2013/02/10 17:39:36 tg Exp $");
 
 /*
  * in later versions we might use libtermcap for this, but since external
@@ -5447,9 +5447,11 @@ x_init(void)
 #endif
 }
 
+#ifdef DEBUG
 void
 x_done(void)
 {
 	afreeall(AEDIT);
 }
+#endif
 #endif /* !MKSH_NO_CMDLINE_EDITING */
diff --git a/sh.h b/sh.h
index 47a47b9..eb786ac 100644
--- a/sh.h
+++ b/sh.h
@@ -164,7 +164,7 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.630 2013/02/10 17:38:15 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.631 2013/02/10 17:39:38 tg Exp $");
 #endif
 #define MKSH_VERSION "R41 2013/01/19"
 
@@ -1674,7 +1674,9 @@ int x_bind(const char *, const char *, bool, bool);
 int x_bind(const char *, const char *, bool);
 #endif
 void x_init(void);
+#ifdef DEBUG
 void x_done(void);
+#endif
 int x_read(char *, size_t);
 #endif
 void x_mkraw(int, mksh_ttyst *, bool);