diff --git a/typings/blockly.d.ts b/typings/blockly.d.ts
index c13b1f098b3..d82637ff2af 100644
--- a/typings/blockly.d.ts
+++ b/typings/blockly.d.ts
@@ -522,13 +522,13 @@ declare module "core/blocks" {
      * A block definition.  For now this very lose, but it can potentially
      * be refined e.g. by replacing this typedef with a class definition.
      */
-    export type BlockDefinition = Object;
+    export type BlockDefinition = any;
     /**
      * A block definition.  For now this very lose, but it can potentially
      * be refined e.g. by replacing this typedef with a class definition.
      * @typedef {!Object}
      */
-    export let BlockDefinition: any;
+    // export let BlockDefinition: any;
     /**
      * A mapping of block type names to block prototype objects.
      * @type {!Object<string,!BlockDefinition>}
diff --git a/typings/dart.d.ts b/typings/dart.d.ts
index e3b27298e14..3979aa3c081 100644
--- a/typings/dart.d.ts
+++ b/typings/dart.d.ts
@@ -12,5 +12,5 @@
 /// <reference path="core.d.ts" />
 
 import * as Blockly from './core';
-declare const dart: Blockly.Generator;
+declare const dart: any;
 export = dart;
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 84d97360cfb..038acf631bd 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -14,8 +14,7 @@
 /// <reference path="javascript.d.ts" />
 /// <reference path="msg/msg.d.ts" />
 
-import { Generator } from 'core/blockly';
 export * from './core';
 export * as libraryBlocks from './blocks';
-export const JavaScript: Generator;
+export const JavaScript: any;
 import './msg/msg';
diff --git a/typings/javascript.d.ts b/typings/javascript.d.ts
index 25241944379..dba476f7a32 100644
--- a/typings/javascript.d.ts
+++ b/typings/javascript.d.ts
@@ -12,5 +12,5 @@
 /// <reference path="core.d.ts" />
 
 import * as Blockly from './core';
-declare const javascript: Blockly.Generator;
+declare const javascript: any;
 export = javascript;
diff --git a/typings/lua.d.ts b/typings/lua.d.ts
index 235cfe59211..b58d485869a 100644
--- a/typings/lua.d.ts
+++ b/typings/lua.d.ts
@@ -12,5 +12,5 @@
 /// <reference path="core.d.ts" />
 
 import * as Blockly from './core';
-declare const lua: Blockly.Generator;
+declare const lua: any;
 export = lua;
diff --git a/typings/php.d.ts b/typings/php.d.ts
index ce64895f4e5..092d107f3ef 100644
--- a/typings/php.d.ts
+++ b/typings/php.d.ts
@@ -12,5 +12,5 @@
 /// <reference path="core.d.ts" />
 
 import * as Blockly from './core';
-declare const php: Blockly.Generator;
+declare const php: any;
 export = php;
diff --git a/typings/python.d.ts b/typings/python.d.ts
index 0ee3f36d11d..beb58fba91b 100644
--- a/typings/python.d.ts
+++ b/typings/python.d.ts
@@ -12,5 +12,5 @@
 /// <reference path="core.d.ts" />
 
 import * as Blockly from './core';
-declare const python: Blockly.Generator;
+declare const python: any;
 export = python;