1 files changed, 1 insertions, 4 deletions

diff --git a/src/regex.h b/src/regex.h
index 45a9f6fff0d..da0ab3e78d1 100644
--- a/src/regex.h
+++ b/src/regex.h
@@ -608,10 +608,7 @@ extern re_wctype_t re_wctype (const unsigned char* str);
 
 typedef int re_wchar_t;
 
-/* Type of source-pattern and string chars.  */
-typedef const unsigned char re_char;
-
-extern void re_set_whitespace_regexp (re_char *regexp);
+extern void re_set_whitespace_regexp (const char *regexp);
 
 #endif /* not WIDE_CHAR_SUPPORT */