diff --git a/src/chars.c b/src/chars.c
index 4321281b..ae807a7b 100644
--- a/src/chars.c
+++ b/src/chars.c
@@ -301,7 +301,7 @@ char *make_mbchar(int chr, int *chr_mb_len)
     return chr_mb;
 }
 
-#if !defined(NANO_SMALL) && defined(ENABLE_NANORC)
+#ifdef ENABLE_NANORC
 /* Convert the string str to a valid multibyte string with the same wide
  * character values as str.  Return the (dynamically allocated)
  * multibyte string. */
diff --git a/src/proto.h b/src/proto.h
index b0996d40..b6841634 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -175,7 +175,7 @@ wchar_t control_wrep(wchar_t c);
 int mbwidth(const char *c);
 int mb_cur_max(void);
 char *make_mbchar(int chr, int *chr_mb_len);
-#if !defined(NANO_SMALL) && defined(ENABLE_NANORC)
+#ifdef ENABLE_NANORC
 char *make_mbstring(char *str);
 #endif
 int parse_mbchar(const char *buf, char *chr, bool *bad_chr, size_t