1 files changed, 1 insertions, 1 deletions
diff --git a/util.c b/util.c
index 95e2c0bfe8..ab993693b9 100644
--- a/util.c
+++ b/util.c
@@ -191,7 +191,7 @@ ruby_strtoul(const char *str, char **endptr, int base)
 #   define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
 #endif
 
-#if defined(MSDOS) || defined(__CYGWIN32__) || defined(_WIN32)
+#if defined(__CYGWIN32__) || defined(_WIN32)
 /*
  *  Copyright (c) 1993, Intergraph Corporation
  *