diff --git a/Gruntfile.js b/Gruntfile.js
index 6f08215..05b45cc 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -17,11 +17,7 @@ module.exports = function(grunt) {
 
     ts: {
       test: {
-        src: ['typings/index.d.ts', 'test/typescript/*.ts'],
-        out: 'test/typescript/out.js',
-        options: {
-          module: 'commonjs',
-        }
+        src: ['typings/index.d.ts', 'test/typescript/*.ts']
       }
     },
 
diff --git a/test/typescript/out.js b/test/typescript/out.js
deleted file mode 100644
index 89748ee..0000000
--- a/test/typescript/out.js
+++ /dev/null
@@ -1 +0,0 @@
-//# sourceMappingURL=out.js.map
\ No newline at end of file
diff --git a/test/typescript/out.js.map b/test/typescript/out.js.map
deleted file mode 100644
index 41c6c23..0000000
--- a/test/typescript/out.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"out.js","sourceRoot":"","sources":[],"names":[],"mappings":""}
\ No newline at end of file