diff --git a/src/services/_namespaces/ts.ts b/src/services/_namespaces/ts.ts
index 55fca06914ebd..eae114fd2e834 100644
--- a/src/services/_namespaces/ts.ts
+++ b/src/services/_namespaces/ts.ts
@@ -17,7 +17,6 @@ export * from "../transpile";
 export * from "../services";
 export * from "../transform";
 export * from "../shims";
-export * from "../globalThisShim";
 import * as BreakpointResolver from "./ts.BreakpointResolver";
 export { BreakpointResolver };
 import * as CallHierarchy from "./ts.CallHierarchy";
diff --git a/src/services/globalThisShim.ts b/src/services/globalThisShim.ts
deleted file mode 100644
index 757442fb55ef7..0000000000000
--- a/src/services/globalThisShim.ts
+++ /dev/null
@@ -1,65 +0,0 @@
-import { isNodeLikeSystem, TypeScriptServicesFactory, versionMajorMinor } from "./_namespaces/ts";
-
-// We polyfill `globalThis` here so re can reliably patch the global scope
-// in the contexts we want to in the same way across script and module formats
-
-// https://mathiasbynens.be/notes/globalthis
-
-// #region The polyfill starts here.
-/* eslint-disable no-var */
-/** @internal */
-declare global {
-    // Module transform: converted from ambient declaration
-    /** @internal */
-    var window: {};
-}
-/* eslint-enable no-var */
-((() => {
-    if (typeof globalThis === "object") return;
-    try {
-        Object.defineProperty(Object.prototype, "__magic__", {
-            get() {
-                return this;
-            },
-            configurable: true
-        });
-        //@ts-ignore
-        __magic__.globalThis = __magic__;
-        // The previous line should have made `globalThis` globally
-        // available, but it fails in Internet Explorer 10 and older.
-        // Detect this failure and fall back.
-        if (typeof globalThis === "undefined") {
-            // Assume `window` exists.
-            //@ts-ignore
-            window.globalThis = window;
-        }
-        //@ts-ignore
-        delete Object.prototype.__magic__;
-    }
-    catch (error) {
-        // In IE8, Object.defineProperty only works on DOM objects.
-        // If we hit this code path, assume `window` exists.
-        //@ts-ignore
-        window.globalThis = window;
-    }
-})());
-// #endregion The polyfill ends here.
-
-// if `process` is undefined, we're probably not running in node - patch legacy members onto the global scope
-// @ts-ignore
-if (!isNodeLikeSystem()) {
-    /// TODO: this is used by VS, clean this up on both sides of the interface
-
-    //@ts-ignore
-    globalThis.TypeScript = globalThis.TypeScript || {};
-    //@ts-ignore
-    globalThis.TypeScript.Services = globalThis.TypeScript.Services || {};
-    //@ts-ignore
-    globalThis.TypeScript.Services.TypeScriptServicesFactory = TypeScriptServicesFactory;
-
-    // 'toolsVersion' gets consumed by the managed side, so it's not unused.
-    // TODO: it should be moved into a namespace though.
-
-    //@ts-ignore
-    globalThis.toolsVersion = versionMajorMinor;
-}