diff --git a/core/trashcan.js b/core/trashcan.js
index 2fa987c95..e78341a59 100644
--- a/core/trashcan.js
+++ b/core/trashcan.js
@@ -26,8 +26,10 @@
 
 goog.provide('Blockly.Trashcan');
 
+goog.require('Blockly.HorizontalFlyout');
 goog.require('Blockly.utils.dom');
 goog.require('Blockly.utils.Rect');
+goog.require('Blockly.VerticalFlyout');
 goog.require('Blockly.Xml');
 
 
diff --git a/core/workspace_svg.js b/core/workspace_svg.js
index 5e5e3ceb7..0e0266bd9 100644
--- a/core/workspace_svg.js
+++ b/core/workspace_svg.js
@@ -36,6 +36,7 @@ goog.require('Blockly.Events');
 goog.require('Blockly.Events.BlockCreate');
 goog.require('Blockly.Gesture');
 goog.require('Blockly.Grid');
+goog.require('Blockly.HorizontalFlyout');
 goog.require('Blockly.Msg');
 goog.require('Blockly.Options');
 goog.require('Blockly.ScrollbarPair');
@@ -47,6 +48,7 @@ goog.require('Blockly.utils.dom');
 goog.require('Blockly.utils.object');
 goog.require('Blockly.utils.Rect');
 goog.require('Blockly.VariablesDynamic');
+goog.require('Blockly.VerticalFlyout');
 goog.require('Blockly.Workspace');
 goog.require('Blockly.WorkspaceAudio');
 goog.require('Blockly.WorkspaceComment');