spell: towupper(),towlower() are not called

2 files changed, 3 insertions, 9 deletions

diff --git a/src/nvim/charset.c b/src/nvim/charset.c
index e9140f8ec5..0f9e2e23c0 100644
--- a/src/nvim/charset.c
+++ b/src/nvim/charset.c
@@ -8,7 +8,6 @@
 #include <assert.h>
 #include <string.h>
 #include <wctype.h>
-#include <wchar.h>  // for towupper() and towlower()
 #include <inttypes.h>
 
 #include "nvim/vim.h"
diff --git a/src/nvim/spell_defs.h b/src/nvim/spell_defs.h
index 7bc5296239..034c580b3e 100644
--- a/src/nvim/spell_defs.h
+++ b/src/nvim/spell_defs.h
@@ -261,20 +261,15 @@ typedef struct trystate_S {
 // Use our own character-case definitions, because the current locale may
 // differ from what the .spl file uses.
 // These must not be called with negative number!
-#include <wchar.h>        // for towupper() and towlower()
 // Multi-byte implementation.  For Unicode we can call utf_*(), but don't do
 // that for ASCII, because we don't want to use 'casemap' here.  Otherwise use
 // the "w" library function for characters above 255.
-#define SPELL_TOFOLD(c) ((c) >= 128 ? utf_fold(c) \
-                         : (c) < \
-                         256 ? (int)spelltab.st_fold[c] : (int)towlower(c))
+#define SPELL_TOFOLD(c) ((c) >= 128 ? utf_fold(c) : (int)spelltab.st_fold[c])
 
 #define SPELL_TOUPPER(c) ((c) >= 128 ? mb_toupper(c) \
-                          : (c) < \
-                          256 ? (int)spelltab.st_upper[c] : (int)towupper(c))
+                          : (int)spelltab.st_upper[c])
 
-#define SPELL_ISUPPER(c) ((c) >= 128 ? mb_isupper(c) \
-                          : (c) < 256 ? spelltab.st_isu[c] : iswupper(c))
+#define SPELL_ISUPPER(c) ((c) >= 128 ? mb_isupper(c) : spelltab.st_isu[c])
 
 // First language that is loaded, start of the linked list of loaded
 // languages.