diff --git a/range.c b/range.c
index 422ed29..47e55c4 100644
--- a/range.c
+++ b/range.c
@@ -1119,31 +1119,6 @@ range_inspect(VALUE range)
 /*
  *  call-seq:
  *     rng === obj       ->  true or false
- *
- *  Returns <code>true</code> if +obj+ is an element of the range,
- *  <code>false</code> otherwise.  Conveniently, <code>===</code> is the
- *  comparison operator used by <code>case</code> statements.
- *
- *     case 79
- *     when 1..50   then   print "low\n"
- *     when 51..75  then   print "medium\n"
- *     when 76..100 then   print "high\n"
- *     end
- *
- *  <em>produces:</em>
- *
- *     high
- */
-
-static VALUE
-range_eqq(VALUE range, VALUE val)
-{
-    return rb_funcall(range, rb_intern("include?"), 1, val);
-}
-
-
-/*
- *  call-seq:
  *     rng.member?(obj)  ->  true or false
  *     rng.include?(obj) ->  true or false
  *
@@ -1333,7 +1308,7 @@ Init_Range(void)
     rb_define_method(rb_cRange, "initialize", range_initialize, -1);
     rb_define_method(rb_cRange, "initialize_copy", range_initialize_copy, 1);
     rb_define_method(rb_cRange, "==", range_eq, 1);
-    rb_define_method(rb_cRange, "===", range_eqq, 1);
+    rb_define_method(rb_cRange, "===", range_include, 1);
     rb_define_method(rb_cRange, "eql?", range_eql, 1);
     rb_define_method(rb_cRange, "hash", range_hash, 0);
     rb_define_method(rb_cRange, "each", range_each, 0);