diff --git a/tools/broccoli/trees/browser_tree.ts b/tools/broccoli/trees/browser_tree.ts
index 3c9d0ab6d7..c16eccdf88 100644
--- a/tools/broccoli/trees/browser_tree.ts
+++ b/tools/broccoli/trees/browser_tree.ts
@@ -7,7 +7,6 @@ var mergeTrees = require('broccoli-merge-trees');
 var path = require('path');
 var replace = require('broccoli-replace');
 var stew = require('broccoli-stew');
-var ts2dart = require('../broccoli-ts2dart');
 
 import compileWithTypescript from '../broccoli-typescript';
 import destCopy from '../broccoli-dest-copy';
diff --git a/tools/broccoli/trees/node_tree.ts b/tools/broccoli/trees/node_tree.ts
index 0f5bfd9b42..1489a9d938 100644
--- a/tools/broccoli/trees/node_tree.ts
+++ b/tools/broccoli/trees/node_tree.ts
@@ -7,7 +7,6 @@ var path = require('path');
 var renderLodashTemplate = require('broccoli-lodash');
 var replace = require('broccoli-replace');
 var stew = require('broccoli-stew');
-var ts2dart = require('../broccoli-ts2dart');
 import transpileWithTraceur from '../traceur/index';
 import compileWithTypescript from '../broccoli-typescript';