diff --git a/packages/core/globals/index.ts b/packages/core/globals/index.ts
index acd67edab..5b5ee54d5 100644
--- a/packages/core/globals/index.ts
+++ b/packages/core/globals/index.ts
@@ -314,7 +314,10 @@ export function initGlobal() {
 		// installPolyfills('text', ['TextDecoder', 'TextEncoder']);
 
 		// global.registerModule('xhr', () => require('../xhr'));
-		// installPolyfills('xhr', ['XMLHttpRequest', 'FormData', 'Blob', 'File', 'FileReader']);
+		// installPolyfills('xhr', ['XMLHttpRequest', 'Blob', 'File', 'FileReader']);
+
+		// global.registerModule('formdata', () => require('../polyfills/formdata'));
+		// installPolyfills('formdata', ['FormData']);
 
 		// global.registerModule('fetch', () => require('../fetch'));
 		// installPolyfills('fetch', ['fetch', 'Headers', 'Request', 'Response']);
diff --git a/packages/core/polyfills/formdata.ts b/packages/core/polyfills/formdata.ts
new file mode 100644
index 000000000..a821dccab
--- /dev/null
+++ b/packages/core/polyfills/formdata.ts
@@ -0,0 +1,22 @@
+
+export class FormData {
+	private _data: Map<string, any>;
+
+	constructor() {
+		this._data = new Map<string, any>();
+	}
+
+	append(name: string, value: any) {
+		this._data.set(name, value);
+	}
+
+	toString(): string {
+		const arr = new Array<string>();
+
+		this._data.forEach(function (value, name, map) {
+			arr.push(`${encodeURIComponent(name)}=${encodeURIComponent(value)}`);
+		});
+
+		return arr.join('&');
+	}
+}
\ No newline at end of file
diff --git a/packages/core/xhr/index.ts b/packages/core/xhr/index.ts
index 848409703..30a76b204 100644
--- a/packages/core/xhr/index.ts
+++ b/packages/core/xhr/index.ts
@@ -353,28 +353,6 @@ const statuses = {
 	505: 'HTTP Version Not Supported',
 };
 
-export class FormData {
-	private _data: Map<string, any>;
-
-	constructor() {
-		this._data = new Map<string, any>();
-	}
-
-	append(name: string, value: any) {
-		this._data.set(name, value);
-	}
-
-	toString(): string {
-		const arr = new Array<string>();
-
-		this._data.forEach(function (value, name, map) {
-			arr.push(`${encodeURIComponent(name)}=${encodeURIComponent(value)}`);
-		});
-
-		return arr.join('&');
-	}
-}
-
 export class Blob {
 	// Note: only for use by XHR
 	public static InternalAccessor = class {