diff --git a/long/long-tests.ts b/long/long-tests.ts
index 6679a820a..c1a05f576 100644
--- a/long/long-tests.ts
+++ b/long/long-tests.ts
@@ -5,7 +5,7 @@ import Long = require("long");
 // --- browser ---
 //var Long = dcodeIO.Long;
 
-var val:Long;
+var val:dcodeIO.Long;
 var n:number;
 var b:boolean;
 var s:string;
diff --git a/long/long.d.ts b/long/long.d.ts
index df473e9a3..3d6554017 100644
--- a/long/long.d.ts
+++ b/long/long.d.ts
@@ -73,9 +73,6 @@ declare module dcodeIO {
     export var Long:LongStatic;
 }
 
-interface Long extends dcodeIO.Long {
-}
-
 // for node, commonjs
 declare module "long" {
     var Long:dcodeIO.LongStatic;