diff --git a/deno.ts b/deno.ts
new file mode 100644
index 0000000000000..595d87709a374
--- /dev/null
+++ b/deno.ts
@@ -0,0 +1,6 @@
+// Copyright 2018 Ryan Dahl <ry@tinyclouds.org>
+// All rights reserved. MIT License.
+// Public deno module.
+// TODO get rid of deno.d.ts
+export { pub, sub } from "./dispatch";
+export { readFileSync, writeFileSync } from "./os";
diff --git a/runtime.ts b/runtime.ts
index 1b6e7cfcd8846..fb64cd2b6d2dc 100644
--- a/runtime.ts
+++ b/runtime.ts
@@ -12,20 +12,12 @@ import * as ts from "typescript";
 import * as util from "./util";
 import { log } from "./util";
 import * as os from "./os";
-import { pub, sub } from "./dispatch";
 import * as sourceMaps from "./v8_source_maps";
 import { _global, globalEval } from "./globals";
+import * as deno from "./deno";
 
 const EOL = "\n";
 
-// Public deno module.
-const deno = {
-  pub,
-  sub,
-  readFileSync: os.readFileSync,
-  writeFileSync: os.writeFileSync
-};
-
 // tslint:disable-next-line:no-any
 type AmdFactory = (...args: any[]) => undefined | object;
 type AmdDefine = (deps: string[], factory: AmdFactory) => void;