diff --git a/src/libsyntax/ast_util.rs b/src/libsyntax/ast_util.rs
index 828f72eb99de..b0df0ea1c8d0 100644
--- a/src/libsyntax/ast_util.rs
+++ b/src/libsyntax/ast_util.rs
@@ -399,7 +399,7 @@ fn operator_prec(op: ast::binop) -> uint {
 fn dtor_dec() -> fn_decl {
     let nil_t = @{id: 0, node: ty_nil, span: dummy_sp()};
     // dtor has one argument, of type ()
-    {inputs: ~[{mode: ast::infer(0), // tjc: node id???
+    {inputs: ~[{mode: ast::expl(ast::by_ref),
                 ty: nil_t, ident: parse::token::special_idents::underscore,
                 id: 0}],
      output: nil_t, cf: return_val}
diff --git a/src/test/run-pass/dtor-explicit-mode.rs b/src/test/run-pass/dtor-explicit-mode.rs
deleted file mode 100644
index c1f7890ab587..000000000000
--- a/src/test/run-pass/dtor-explicit-mode.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-struct Foo {
-    x: int,
-    drop { }
-}
-
-fn main() {}