1 files changed, 3 insertions, 8 deletions
diff --git a/rational.c b/rational.c
index 258f901d39..248fcdada0 100644
--- a/rational.c
+++ b/rational.c
@@ -1601,15 +1601,12 @@ nurat_marshal_dump(VALUE self)
 }
 
 #ifdef MARSHAL_OLD_STYLE
-VALUE marshal_dump(int, VALUE *);
-
 /* :nodoc: */
 static VALUE
 nurat_marshal__dump(VALUE self, VALUE limit)
 {
-    VALUE argv[1];
-    argv[0] = nurat_marshal_dump(self);
-    return marshal_dump(1, argv);
+    VALUE arg = nurat_marshal_dump(self);
+    return rb_marshal_dump(arg, Qnil);
 }
 #endif
 
@@ -1636,13 +1633,11 @@ nurat_marshal_load(VALUE self, VALUE a)
 }
 
 #ifdef MARSHAL_OLD_STYLE
-VALUE marshal_load(int, VALUE *);
-
 /* :nodoc: */
 static VALUE
 nurat_marshal__load(VALUE klass, VALUE s)
 {
-    return nurat_marshal_load(nurat_s_alloc(klass), marshal_load(1, &s));
+    return nurat_marshal_load(nurat_s_alloc(klass), rb_marshal_load(s));
 }
 #endif