diff --git a/debug/debug-tests.ts b/debug/debug-tests.ts
index 63a0a3ac4..a26400340 100644
--- a/debug/debug-tests.ts
+++ b/debug/debug-tests.ts
@@ -1,4 +1,3 @@
-/// <reference path="../node/node.d.ts" />
 /// <reference path="debug.d.ts" />
 
 import debug = require("debug");
@@ -6,7 +5,7 @@ import debug = require("debug");
 debug.disable();
 debug.enable("DefinitelyTyped:*");
 
-var log: debug.Debugger = debug("DefinitelyTyped:log");
+var log:debug.IDebugger = debug("DefinitelyTyped:log");
 
 log("Just text");
 log("Formatted test (%d arg)", 1);
@@ -15,6 +14,6 @@ log("Formatted %s (%d args)", "test", 2);
 log("Enabled?: %s", debug.enabled("DefinitelyTyped:log"));
 log("Namespace: %s", log.namespace);
 
-var error: debug.Debugger = debug("DefinitelyTyped:error");
+var error:debug.IDebugger = debug("DefinitelyTyped:error");
 error.log = console.error.bind(console);
 error("This should be printed to stderr");