1 files changed, 1 insertions, 10 deletions
diff --git a/parse.y b/parse.y
index f254817d22..86dcfc7cc8 100644
--- a/parse.y
+++ b/parse.y
@@ -8953,15 +8953,6 @@ ripper_s_allocate(VALUE klass)
     return self;
 }
 
-static int
-obj_respond_to(VALUE obj, VALUE mid)
-{
-    VALUE st;
-
-    st = rb_funcall(obj, rb_intern("respond_to?"), 2, mid, Qfalse);
-    return RTEST(st);
-}
-
 #define ripper_initialized_p(r) ((r)->parser_lex_input != 0)
 
 /*
@@ -8982,7 +8973,7 @@ ripper_initialize(int argc, VALUE *argv, VALUE self)
 
     Data_Get_Struct(self, struct parser_params, parser);
     rb_scan_args(argc, argv, "12", &src, &fname, &lineno);
-    if (obj_respond_to(src, ID2SYM(ripper_id_gets))) {
+    if (rb_obj_respond_to(src, ripper_id_gets, 0)) {
         parser->parser_lex_gets = ripper_lex_get_generic;
     }
     else {