1 files changed, 2 insertions, 3 deletions
diff --git a/lib/waterfall.js b/lib/waterfall.js
index 092f3ac..3e71d2c 100644
--- a/lib/waterfall.js
+++ b/lib/waterfall.js
@@ -1,5 +1,4 @@
-import isArray from 'lodash/isArray';
-import noop from 'lodash/noop';
+import noop from './internal/noop';
 import once from './internal/once';
 import slice from './internal/slice';
 
@@ -65,7 +64,7 @@ import wrapAsync from './internal/wrapAsync';
  */
 export default  function(tasks, callback) {
     callback = once(callback || noop);
-    if (!isArray(tasks)) return callback(new Error('First argument to waterfall must be an array of functions'));
+    if (!Array.isArray(tasks)) return callback(new Error('First argument to waterfall must be an array of functions'));
     if (!tasks.length) return callback();
     var taskIndex = 0;