diff --git a/extensions/vscode-colorize-tests/package.json b/extensions/vscode-colorize-tests/package.json
index 763513a590a..517429bb6d7 100644
--- a/extensions/vscode-colorize-tests/package.json
+++ b/extensions/vscode-colorize-tests/package.json
@@ -8,8 +8,7 @@
 		"vscode": "*"
 	},
 	"scripts": {
-		"vscode:prepublish": "node ../../node_modules/gulp/bin/gulp.js --gulpfile ../../build/gulpfile.extensions.js compile-extension:vscode-colorize-tests ./tsconfig.json",
-		"postinstall": "node ./node_modules/vscode/bin/install"
+		"vscode:prepublish": "node ../../node_modules/gulp/bin/gulp.js --gulpfile ../../build/gulpfile.extensions.js compile-extension:vscode-colorize-tests ./tsconfig.json"
 	},
 	"devDependencies": {
 		"@types/node": "^10.12.21",
diff --git a/extensions/vscode-colorize-tests/src/typings/ref.d.ts b/extensions/vscode-colorize-tests/src/typings/ref.d.ts
index 8ea9f802a47..a45a0c6353f 100644
--- a/extensions/vscode-colorize-tests/src/typings/ref.d.ts
+++ b/extensions/vscode-colorize-tests/src/typings/ref.d.ts
@@ -4,3 +4,4 @@
  *--------------------------------------------------------------------------------------------*/
 
 /// <reference types='@types/node'/>
+/// <reference path='../../../../src/vs/vscode.d.ts'/>