diff --git a/extensions/git/src/iterators.ts b/extensions/git/src/iterators.ts
deleted file mode 100644
index 3b0f741f310..00000000000
--- a/extensions/git/src/iterators.ts
+++ /dev/null
@@ -1,57 +0,0 @@
-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-
-'use strict';
-
-function* filter<T>(it: IterableIterator<T>, condition: (t: T, i: number) => boolean): IterableIterator<T> {
-	let i = 0;
-	for (let t of it) {
-		if (condition(t, i++)) {
-			yield t;
-		}
-	}
-}
-
-function* map<T, R>(it: IterableIterator<T>, fn: (t: T, i: number) => R): IterableIterator<R> {
-	let i = 0;
-	for (let t of it) {
-		yield fn(t, i++);
-	}
-}
-
-export interface FunctionalIterator<T> extends Iterable<T> {
-	filter(condition: (t: T, i: number) => boolean): FunctionalIterator<T>;
-	map<R>(fn: (t: T, i: number) => R): FunctionalIterator<R>;
-	toArray(): T[];
-}
-
-class FunctionalIteratorImpl<T> implements FunctionalIterator<T> {
-
-	constructor(private iterator: IterableIterator<T>) { }
-
-	filter(condition: (t: T, i: number) => boolean): FunctionalIterator<T> {
-		return new FunctionalIteratorImpl(filter(this.iterator, condition));
-	}
-
-	map<R>(fn: (t: T, i: number) => R): FunctionalIterator<R> {
-		return new FunctionalIteratorImpl(map<T, R>(this.iterator, fn));
-	}
-
-	toArray(): T[] {
-		return Array.from(this.iterator);
-	}
-
-	[Symbol.iterator](): IterableIterator<T> {
-		return this.iterator;
-	}
-}
-
-export function iterate<T>(obj: T[] | IterableIterator<T>): FunctionalIterator<T> {
-	if (Array.isArray(obj)) {
-		return new FunctionalIteratorImpl(obj[Symbol.iterator]());
-	}
-
-	return new FunctionalIteratorImpl(obj);
-}
\ No newline at end of file