diff --git a/api_guard/dist/types/index.d.ts b/api_guard/dist/types/index.d.ts
index 3db118bf6d..40f93bd185 100644
--- a/api_guard/dist/types/index.d.ts
+++ b/api_guard/dist/types/index.d.ts
@@ -648,8 +648,6 @@ export interface Subscribable<T> {
     subscribe(observer: Partial<Observer<T>>): Unsubscribable;
 }
 
-export declare type SubscribableOrPromise<T> = Subscribable<T> | Subscribable<never> | PromiseLike<T> | InteropObservable<T>;
-
 export declare function subscribeOn<T>(scheduler: SchedulerLike, delay?: number): MonoTypeOperatorFunction<T>;
 
 export declare class Subscriber<T> extends Subscription implements Observer<T> {
diff --git a/src/internal/types.ts b/src/internal/types.ts
index 2b9d237606..3595ec35bb 100644
--- a/src/internal/types.ts
+++ b/src/internal/types.ts
@@ -73,11 +73,6 @@ export interface SubscriptionLike extends Unsubscribable {
   readonly closed: boolean;
 }
 
-/**
- * @deprecated Do not use. Most likely you want to use `ObservableInput`. Will be removed in v8.
- */
-export type SubscribableOrPromise<T> = Subscribable<T> | Subscribable<never> | PromiseLike<T> | InteropObservable<T>;
-
 /** OBSERVABLE INTERFACES */
 
 export interface Subscribable<T> {