diff --git a/src/index.ts b/src/index.ts
index 1d145f6d20..49d5534968 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -16,6 +16,7 @@ export { async as asyncScheduler } from './internal/scheduler/async';
 export { queue as queueScheduler } from './internal/scheduler/queue';
 export { animationFrame as animationFrameScheduler } from './internal/scheduler/animationFrame';
 export { VirtualTimeScheduler, VirtualAction } from './internal/scheduler/VirtualTimeScheduler';
+export { Scheduler } from './internal/Scheduler';
 
 /* Subscription */
 export { Subscription } from './internal/Subscription';
@@ -70,4 +71,4 @@ export { NEVER } from './internal/observable/never';
 export * from './internal/types';
 
 /* Config */
-export { config } from './internal/config';
\ No newline at end of file
+export { config } from './internal/config';
diff --git a/src/internal/Scheduler.ts b/src/internal/Scheduler.ts
index 49ae5d00ed..30ca9574d0 100644
--- a/src/internal/Scheduler.ts
+++ b/src/internal/Scheduler.ts
@@ -17,6 +17,9 @@ import { SchedulerLike, SchedulerAction } from './types';
  * ```
  *
  * @class Scheduler
+ * @deprecated Scheduler is an internal implementation detail of RxJS, and
+ * should not be used directly. Rather, create your own class and implement
+ * {@link SchedulerLike}
  */
 export class Scheduler implements SchedulerLike {