diff --git a/Makefile b/Makefile
index e18b007da..f674e556f 100644
--- a/Makefile
+++ b/Makefile
@@ -378,7 +378,6 @@ ifeq ($(uname_O),Cygwin)
 	NO_STRCASESTR = YesPlease
 	NO_SYMLINK_HEAD = YesPlease
 	NEEDS_LIBICONV = YesPlease
-	NO_C99_FORMAT = YesPlease
 	NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
 	NO_TRUSTABLE_FILEMODE = UnfortunatelyYes
 	# There are conflicting reports about this.