1 files changed, 3 insertions, 3 deletions
@@ -771,8 +771,8 @@ rb_rational_plus(VALUE self, VALUE other)
 * Rational(9, 8) - 4 #=> (-23/8)
 * Rational(20, 9) - 9.8 #=> -7.577777777777778
 */
-static VALUE
-nurat_sub(VALUE self, VALUE other)
 {
 if (RB_INTEGER_TYPE_P(other)) {
 {
@@ -2731,7 +2731,7 @@ Init_Rational(void)
 rb_define_method(rb_cRational, "-@", rb_rational_uminus, 0);
 rb_define_method(rb_cRational, "+", rb_rational_plus, 1);
- rb_define_method(rb_cRational, "-", nurat_sub, 1);
 rb_define_method(rb_cRational, "*", rb_rational_mul, 1);
 rb_define_method(rb_cRational, "/", nurat_div, 1);
 rb_define_method(rb_cRational, "quo", nurat_div, 1);