diff --git a/src/js/commands/index.js b/src/js/commands/index.js
index 710c5ab3..95011224 100644
--- a/src/js/commands/index.js
+++ b/src/js/commands/index.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var intl = require('../intl');
 
 var Errors = require('../util/errors');
diff --git a/src/js/git/commands.js b/src/js/git/commands.js
index a34cbfaf..4c083d5e 100644
--- a/src/js/git/commands.js
+++ b/src/js/git/commands.js
@@ -1,5 +1,4 @@
 var escapeString = require('../util/escapeString');
-var _ = require('underscore');
 var intl = require('../intl');
 
 var Graph = require('../graph');
diff --git a/src/js/git/index.js b/src/js/git/index.js
index e3f8b8dd..d03a2075 100644
--- a/src/js/git/index.js
+++ b/src/js/git/index.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 var Q = require('q');
 
diff --git a/src/js/graph/index.js b/src/js/graph/index.js
index 584f788d..2eaf6cab 100644
--- a/src/js/graph/index.js
+++ b/src/js/graph/index.js
@@ -1,5 +1,3 @@
-var _ = require('underscore');
-
 function invariant(truthy, reason) {
   if (!truthy) {
     throw new Error(reason);
diff --git a/src/js/level/builder.js b/src/js/level/builder.js
index a5a848a6..63ebdef9 100644
--- a/src/js/level/builder.js
+++ b/src/js/level/builder.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 var Q = require('q');
 
diff --git a/src/js/level/index.js b/src/js/level/index.js
index d8737456..4bac1b5b 100644
--- a/src/js/level/index.js
+++ b/src/js/level/index.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Q = require('q');
 
 var util = require('../util');
diff --git a/src/js/level/parseWaterfall.js b/src/js/level/parseWaterfall.js
index b457893d..b58e7e00 100644
--- a/src/js/level/parseWaterfall.js
+++ b/src/js/level/parseWaterfall.js
@@ -1,5 +1,3 @@
-var _ = require('underscore');
-
 var GitCommands = require('../git/commands');
 var Commands = require('../commands');
 var SandboxCommands = require('../sandbox/commands');
diff --git a/src/js/models/commandModel.js b/src/js/models/commandModel.js
index 7e011896..76e94d61 100644
--- a/src/js/models/commandModel.js
+++ b/src/js/models/commandModel.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 
 var Errors = require('../util/errors');
diff --git a/src/js/sandbox/commands.js b/src/js/sandbox/commands.js
index 27151ee2..8b913564 100644
--- a/src/js/sandbox/commands.js
+++ b/src/js/sandbox/commands.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var util = require('../util');
 
 var constants = require('../util/constants');
diff --git a/src/js/views/commandViews.js b/src/js/views/commandViews.js
index 8dfa71ef..b47d4bfa 100644
--- a/src/js/views/commandViews.js
+++ b/src/js/views/commandViews.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 
 var Main = require('../app');
diff --git a/src/js/visuals/tree.js b/src/js/visuals/tree.js
index 42de848c..ad270a60 100644
--- a/src/js/visuals/tree.js
+++ b/src/js/visuals/tree.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 
 var VisBase = Backbone.Model.extend({
diff --git a/src/js/visuals/visBase.js b/src/js/visuals/visBase.js
index bc4ace2a..fb6a68a1 100644
--- a/src/js/visuals/visBase.js
+++ b/src/js/visuals/visBase.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 
 var VisBase = Backbone.Model.extend({
diff --git a/src/js/visuals/visBranch.js b/src/js/visuals/visBranch.js
index 73a55305..ddac02f4 100644
--- a/src/js/visuals/visBranch.js
+++ b/src/js/visuals/visBranch.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 var GRAPHICS = require('../util/constants').GRAPHICS;
 
diff --git a/src/js/visuals/visEdge.js b/src/js/visuals/visEdge.js
index cf1d7cea..355efcf4 100644
--- a/src/js/visuals/visEdge.js
+++ b/src/js/visuals/visEdge.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 var GRAPHICS = require('../util/constants').GRAPHICS;
 
diff --git a/src/js/visuals/visNode.js b/src/js/visuals/visNode.js
index 5b42138b..f9952d29 100644
--- a/src/js/visuals/visNode.js
+++ b/src/js/visuals/visNode.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 var GRAPHICS = require('../util/constants').GRAPHICS;
 
diff --git a/src/js/visuals/visTag.js b/src/js/visuals/visTag.js
index 3c22d47c..d07f7435 100644
--- a/src/js/visuals/visTag.js
+++ b/src/js/visuals/visTag.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var Backbone = require('backbone');
 var GRAPHICS = require('../util/constants').GRAPHICS;