4 files changed, 4 insertions, 8 deletions

diff --git a/libc/misc/regex/regcomp.c b/libc/misc/regex/regcomp.c
index 720214161..0c348a48d 100644
--- a/libc/misc/regex/regcomp.c
+++ b/libc/misc/regex/regcomp.c
@@ -281,7 +281,7 @@ re_set_fastmap (char *fastmap, int icase, int ch)
 {
   fastmap[ch] = 1;
   if (icase)
-    fastmap[__tolower (ch)] = 1;
+    fastmap[tolower (ch)] = 1;
 }
 
 /* Helper function for re_compile_fastmap.
diff --git a/libc/misc/regex/regex.c b/libc/misc/regex/regex.c
index bc2e502f6..fa46f635f 100644
--- a/libc/misc/regex/regex.c
+++ b/libc/misc/regex/regex.c
@@ -38,10 +38,6 @@
 #  define __wctype wctype
 # endif
 # include <ctype.h>
-# ifdef __UCLIBC_HAS_CTYPE_TABLES__
-#  define __toupper toupper
-#  define __tolower tolower
-# endif
 #endif
 
 /* Make sure noone compiles this code with a C++ compiler.  */
diff --git a/libc/misc/regex/regex_internal.c b/libc/misc/regex/regex_internal.c
index c6685528d..493985217 100644
--- a/libc/misc/regex/regex_internal.c
+++ b/libc/misc/regex/regex_internal.c
@@ -289,7 +289,7 @@ build_wcs_upper_buffer (re_string_t *pstr)
 	    {
 	      /* In case of a singlebyte character.  */
 	      pstr->mbs[byte_idx]
-		= __toupper (pstr->raw_mbs[pstr->raw_mbs_idx + byte_idx]);
+		= toupper (pstr->raw_mbs[pstr->raw_mbs_idx + byte_idx]);
 	      /* The next step uses the assumption that wchar_t is encoded
 		 ASCII-safe: all ASCII values can be converted like this.  */
 	      pstr->wcs[byte_idx] = (wchar_t) pstr->mbs[byte_idx];
@@ -523,7 +523,7 @@ build_upper_buffer (re_string_t *pstr)
       if (BE (pstr->trans != NULL, 0))
 	ch = pstr->trans[ch];
       if (islower (ch))
-	pstr->mbs[char_idx] = __toupper (ch);
+	pstr->mbs[char_idx] = toupper (ch);
       else
 	pstr->mbs[char_idx] = ch;
     }
diff --git a/libc/misc/regex/regex_old.c b/libc/misc/regex/regex_old.c
index af1af50a6..bdc298a3e 100644
--- a/libc/misc/regex/regex_old.c
+++ b/libc/misc/regex/regex_old.c
@@ -226,7 +226,7 @@ char *realloc ();
 # ifdef _tolower
 #  define TOLOWER(c) _tolower(c)
 # else
-#  define TOLOWER(c) __tolower(c)
+#  define TOLOWER(c) tolower(c)
 # endif
 
 # ifndef NULL