diff --git a/Brocfile.js b/Brocfile.js
index 080720e..785439f 100644
--- a/Brocfile.js
+++ b/Brocfile.js
@@ -1,11 +1,10 @@
-module.exports = function(broccoli) {
-  return require('broccoli-dist-es6-module')(broccoli.makeTree('lib'), {
-    global: 'ic.ajax',
-    packageName: 'ic-ajax',
-    main: 'main',
-    shim: {
-      'ember': 'Ember'
-    }
-  });
-};
+var broccoli = require('broccoli');
 
+module.exports = require('broccoli-dist-es6-module')('lib', {
+  global: 'ic.ajax',
+  packageName: 'ic-ajax',
+  main: 'main',
+  shim: {
+    'ember': 'Ember'
+  }
+});
diff --git a/dist/amd/main.js b/dist/amd/main.js
index 96574c8..169dc31 100644
--- a/dist/amd/main.js
+++ b/dist/amd/main.js
@@ -71,7 +71,18 @@ define(
       return __fixtures__ && __fixtures__[url];
     }
 
-    __exports__.lookupFixture = lookupFixture;function makePromise(settings) {
+    __exports__.lookupFixture = lookupFixture;/*
+     * Clears the list of fixtures created by defineFixture()
+     */
+    function clearFixtures() {
+      for (var i in __fixtures__) {
+        if (__fixtures__.hasOwnProperty(i)) {
+          delete __fixtures__[i];
+        }
+      }
+    }
+
+    __exports__.clearFixtures = clearFixtures;function makePromise(settings) {
       return new Ember.RSVP.Promise(function(resolve, reject) {
         var fixture = lookupFixture(settings.url);
         if (fixture) {
diff --git a/dist/cjs/main.js b/dist/cjs/main.js
index b4db6c3..ffa3032 100644
--- a/dist/cjs/main.js
+++ b/dist/cjs/main.js
@@ -68,7 +68,18 @@ function lookupFixture (url) {
   return __fixtures__ && __fixtures__[url];
 }
 
-exports.lookupFixture = lookupFixture;function makePromise(settings) {
+exports.lookupFixture = lookupFixture;/*
+ * Clears the list of fixtures created by defineFixture()
+ */
+function clearFixtures() {
+  for (var i in __fixtures__) {
+    if (__fixtures__.hasOwnProperty(i)) {
+      delete __fixtures__[i];
+    }
+  }
+}
+
+exports.clearFixtures = clearFixtures;function makePromise(settings) {
   return new Ember.RSVP.Promise(function(resolve, reject) {
     var fixture = lookupFixture(settings.url);
     if (fixture) {
diff --git a/dist/globals/main.js b/dist/globals/main.js
index 1fd4021..de3f6e1 100644
--- a/dist/globals/main.js
+++ b/dist/globals/main.js
@@ -69,7 +69,18 @@ function lookupFixture (url) {
   return __fixtures__ && __fixtures__[url];
 }
 
-exports.lookupFixture = lookupFixture;function makePromise(settings) {
+exports.lookupFixture = lookupFixture;/*
+ * Clears the list of fixtures created by defineFixture()
+ */
+function clearFixtures() {
+  for (var i in __fixtures__) {
+    if (__fixtures__.hasOwnProperty(i)) {
+      delete __fixtures__[i];
+    }
+  }
+}
+
+exports.clearFixtures = clearFixtures;function makePromise(settings) {
   return new Ember.RSVP.Promise(function(resolve, reject) {
     var fixture = lookupFixture(settings.url);
     if (fixture) {
diff --git a/dist/named-amd/main.js b/dist/named-amd/main.js
index bed96ca..4c40d1a 100644
--- a/dist/named-amd/main.js
+++ b/dist/named-amd/main.js
@@ -71,7 +71,18 @@ define("ic-ajax",
       return __fixtures__ && __fixtures__[url];
     }
 
-    __exports__.lookupFixture = lookupFixture;function makePromise(settings) {
+    __exports__.lookupFixture = lookupFixture;/*
+     * Clears the list of fixtures created by defineFixture()
+     */
+    function clearFixtures() {
+      for (var i in __fixtures__) {
+        if (__fixtures__.hasOwnProperty(i)) {
+          delete __fixtures__[i];
+        }
+      }
+    }
+
+    __exports__.clearFixtures = clearFixtures;function makePromise(settings) {
       return new Ember.RSVP.Promise(function(resolve, reject) {
         var fixture = lookupFixture(settings.url);
         if (fixture) {
diff --git a/lib/main.js b/lib/main.js
index 9d2ce86..7e66dbf 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -67,6 +67,17 @@ export function lookupFixture (url) {
   return __fixtures__ && __fixtures__[url];
 }
 
+/*
+ * Clears the list of fixtures created by defineFixture()
+ */
+export function clearFixtures() {
+  for (var i in __fixtures__) {
+    if (__fixtures__.hasOwnProperty(i)) {
+      delete __fixtures__[i];
+    }
+  }
+}
+
 function makePromise(settings) {
   return new Ember.RSVP.Promise(function(resolve, reject) {
     var fixture = lookupFixture(settings.url);
diff --git a/package.json b/package.json
index 4bf6ce0..95c380b 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,8 @@
   "description": "ember friendly $.ajax wrapper",
   "main": "dist/cjs/main.js",
   "devDependencies": {
-    "broccoli": "^0.2.0",
-    "broccoli-dist-es6-module": "^0.1.8",
+    "broccoli": "^0.12.0",
+    "broccoli-dist-es6-module": "^0.2.0",
     "broccoli-cli": "0.0.1",
     "karma": "^0.10.9",
     "karma-chrome-launcher": "^0.1.2",
@@ -36,4 +36,4 @@
   },
   "homepage": "https://github.com/instructure/ic-ajax",
   "dependencies": {}
-}
\ No newline at end of file
+}
diff --git a/test/main.spec.js b/test/main.spec.js
index f1ef02a..f9fda36 100644
--- a/test/main.spec.js
+++ b/test/main.spec.js
@@ -91,6 +91,20 @@ asyncTest('the fixture is unaffected by external change', function() {
   )
 });
 
+test('the fixtures can be cleared', function() {
+  var response = {foo: 'bar'};
+
+  ic.ajax.defineFixture('/foo', {
+    response: response,
+    textStatus: 'success',
+    jqXHR: {}
+  });
+
+  deepEqual(lookupFixture('/foo'), response);
+  ic.ajax.clearFixtures();
+  ok(!lookupFixture('/foo'), 'fixture is cleared');
+});
+
 test('throws if success or error callbacks are used', function() {
   var k = function() {};
   throws(function() {