1 files changed, 0 insertions, 8 deletions
diff --git a/src/include/c.h b/src/include/c.h
index fd53010e249..b6a969787ac 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -1095,14 +1095,6 @@ extern int	fdatasync(int fildes);
 #define HAVE_STRTOULL 1
 #endif
 
-/*
- * We assume if we have these two functions, we have their friends too, and
- * can use the wide-character functions.
- */
-#if defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER)
-#define USE_WIDE_UPPER_LOWER
-#endif
-
 /* EXEC_BACKEND defines */
 #ifdef EXEC_BACKEND
 #define NON_EXEC_STATIC