diff --git a/spec/operators/single-spec.ts b/spec/operators/single-spec.ts
index 8229e6f7f7..db7b720f3f 100644
--- a/spec/operators/single-spec.ts
+++ b/spec/operators/single-spec.ts
@@ -78,8 +78,8 @@ describe('single operator', () => {
   it('should raise error from empty predicate if observable emits error', () => {
     rxTest.run(({ hot, expectObservable, expectSubscriptions }) => {
       const e1 = hot('  --a--b^--#');
-      const e1subs = '  ^--!';
-      const expected = '---#';
+      const e1subs = '        ^--!';
+      const expected = '      ---#';
 
       expectObservable(e1.pipe(single())).toBe(expected);
       expectSubscriptions(e1.subscriptions).toBe(e1subs);
diff --git a/src/internal/operators/single.ts b/src/internal/operators/single.ts
index 9a95ce5b9b..cf6c28cb81 100644
--- a/src/internal/operators/single.ts
+++ b/src/internal/operators/single.ts
@@ -8,15 +8,6 @@ import { NotFoundError } from '../util/NotFoundError';
 
 const defaultPredicate = () => true;
 
-export function single<T>(): MonoTypeOperatorFunction<T>;
-export function single<T>(
-  predicate: (value: T, index: number) => boolean
-): MonoTypeOperatorFunction<T>;
-/** @deprecated Providing `source` via the third argument to the predicate will be removed in upcoming versions. Use a closure. */
-export function single<T>(
-  predicate: (value: T, index: number, source: Observable<T>) => boolean
-): MonoTypeOperatorFunction<T>;
-
 /**
  * Returns an observable that asserts that only one value is
  * emitted from the observable that matches the predicate. If no