diff --git a/extensions/css-language-features/client/src/typings/ref.d.ts b/extensions/css-language-features/client/src/typings/ref.d.ts
index 2b90c6587fe..9c1a5df18ed 100644
--- a/extensions/css-language-features/client/src/typings/ref.d.ts
+++ b/extensions/css-language-features/client/src/typings/ref.d.ts
@@ -4,4 +4,3 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../../src/vs/vscode.proposed.d.ts'/>
\ No newline at end of file
diff --git a/extensions/css-language-features/package.json b/extensions/css-language-features/package.json
index 069e7929d1a..0f598ec5467 100644
--- a/extensions/css-language-features/package.json
+++ b/extensions/css-language-features/package.json
@@ -14,7 +14,6 @@
     "onLanguage:scss",
     "onCommand:_css.applyCodeAction"
   ],
-  "enableProposedApi": true,
   "main": "./client/out/cssMain",
   "scripts": {
     "compile": "gulp compile-extension:css-language-features-client compile-extension:css-language-features-server",
diff --git a/extensions/grunt/src/typings/refs.d.ts b/extensions/grunt/src/typings/refs.d.ts
index 954bab971e3..bc057c55878 100644
--- a/extensions/grunt/src/typings/refs.d.ts
+++ b/extensions/grunt/src/typings/refs.d.ts
@@ -4,5 +4,4 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../src/vs/vscode.proposed.d.ts'/>
 /// <reference types='@types/node'/>
diff --git a/extensions/gulp/src/typings/refs.d.ts b/extensions/gulp/src/typings/refs.d.ts
index 954bab971e3..bc057c55878 100644
--- a/extensions/gulp/src/typings/refs.d.ts
+++ b/extensions/gulp/src/typings/refs.d.ts
@@ -4,5 +4,4 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../src/vs/vscode.proposed.d.ts'/>
 /// <reference types='@types/node'/>
diff --git a/extensions/html-language-features/client/src/typings/ref.d.ts b/extensions/html-language-features/client/src/typings/ref.d.ts
index 2b90c6587fe..9c1a5df18ed 100644
--- a/extensions/html-language-features/client/src/typings/ref.d.ts
+++ b/extensions/html-language-features/client/src/typings/ref.d.ts
@@ -4,4 +4,3 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../../src/vs/vscode.proposed.d.ts'/>
\ No newline at end of file
diff --git a/extensions/html-language-features/package.json b/extensions/html-language-features/package.json
index 1bbfa36ead5..19ba1cb08dd 100644
--- a/extensions/html-language-features/package.json
+++ b/extensions/html-language-features/package.json
@@ -14,7 +14,6 @@
     "onLanguage:handlebars",
     "onLanguage:razor"
   ],
-  "enableProposedApi": true,
   "main": "./client/out/htmlMain",
   "scripts": {
     "compile": "gulp compile-extension:html-language-features-client compile-extension:html-language-features-server",
diff --git a/extensions/jake/src/typings/refs.d.ts b/extensions/jake/src/typings/refs.d.ts
index 954bab971e3..bc057c55878 100644
--- a/extensions/jake/src/typings/refs.d.ts
+++ b/extensions/jake/src/typings/refs.d.ts
@@ -4,5 +4,4 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../src/vs/vscode.proposed.d.ts'/>
 /// <reference types='@types/node'/>
diff --git a/extensions/json-language-features/client/src/typings/ref.d.ts b/extensions/json-language-features/client/src/typings/ref.d.ts
index 2b90c6587fe..9c1a5df18ed 100644
--- a/extensions/json-language-features/client/src/typings/ref.d.ts
+++ b/extensions/json-language-features/client/src/typings/ref.d.ts
@@ -4,4 +4,3 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../../src/vs/vscode.proposed.d.ts'/>
\ No newline at end of file
diff --git a/extensions/json-language-features/package.json b/extensions/json-language-features/package.json
index 0e4b57cf994..b5df7479ac1 100644
--- a/extensions/json-language-features/package.json
+++ b/extensions/json-language-features/package.json
@@ -13,7 +13,6 @@
     "onLanguage:json",
     "onLanguage:jsonc"
   ],
-  "enableProposedApi": true,
   "main": "./client/out/jsonMain",
   "scripts": {
     "compile": "gulp compile-extension:json-language-features-client && gulp compile-extension:json-language-features-server",
diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json
index d8860815e0e..54b289a7d23 100644
--- a/extensions/markdown-language-features/package.json
+++ b/extensions/markdown-language-features/package.json
@@ -6,7 +6,6 @@
 	"icon": "icon.png",
 	"publisher": "vscode",
 	"aiKey": "AIF-d9b70cd4-b9f9-4d70-929b-a071c400b217",
-	"enableProposedApi": true,
 	"engines": {
 		"vscode": "^1.20.0"
 	},
@@ -325,4 +324,4 @@
 		"webpack": "^4.1.0",
 		"webpack-cli": "^2.0.10"
 	}
-}
\ No newline at end of file
+}
diff --git a/extensions/markdown-language-features/src/typings/ref.d.ts b/extensions/markdown-language-features/src/typings/ref.d.ts
index 954bab971e3..bc057c55878 100644
--- a/extensions/markdown-language-features/src/typings/ref.d.ts
+++ b/extensions/markdown-language-features/src/typings/ref.d.ts
@@ -4,5 +4,4 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../src/vs/vscode.proposed.d.ts'/>
 /// <reference types='@types/node'/>
diff --git a/extensions/npm/package.json b/extensions/npm/package.json
index 6c8578ad784..b50486c6bb3 100644
--- a/extensions/npm/package.json
+++ b/extensions/npm/package.json
@@ -7,7 +7,6 @@
   "engines": {
     "vscode": "0.10.x"
   },
-  "enableProposedApi": true,
   "icon": "images/npm_icon.png",
   "categories": [
     "Other"
diff --git a/extensions/npm/src/typings/refs.d.ts b/extensions/npm/src/typings/refs.d.ts
index 954bab971e3..bc057c55878 100644
--- a/extensions/npm/src/typings/refs.d.ts
+++ b/extensions/npm/src/typings/refs.d.ts
@@ -4,5 +4,4 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference path='../../../../src/vs/vscode.d.ts'/>
-/// <reference path='../../../../src/vs/vscode.proposed.d.ts'/>
 /// <reference types='@types/node'/>