1 files changed, 0 insertions, 1 deletions
diff --git a/file.c b/file.c
index 9dda3fc70d..70da79b735 100644
--- a/file.c
+++ b/file.c
@@ -4182,7 +4182,6 @@ rb_file_truncate(VALUE obj, VALUE len)
 
 #ifdef __CYGWIN__
 #include <winerror.h>
-extern unsigned long __attribute__((stdcall)) GetLastError(void);
 #endif
 
 static VALUE