diff --git a/core/block.js b/core/block.js
index 785c8585d..23670666f 100644
--- a/core/block.js
+++ b/core/block.js
@@ -30,7 +30,6 @@ goog.require('Blockly.Blocks');
 goog.require('Blockly.Comment');
 goog.require('Blockly.Connection');
 goog.require('Blockly.Extensions');
-goog.require('Blockly.Generator');
 goog.require('Blockly.Input');
 goog.require('Blockly.Mutator');
 goog.require('Blockly.Warning');