diff --git a/goldens/public-api/core/rxjs-interop/index.api.md b/goldens/public-api/core/rxjs-interop/index.api.md
index 02ff5112de8b..49b13da7c1b0 100644
--- a/goldens/public-api/core/rxjs-interop/index.api.md
+++ b/goldens/public-api/core/rxjs-interop/index.api.md
@@ -84,7 +84,6 @@ export interface ToSignalOptions<T> {
     initialValue?: unknown;
     injector?: Injector;
     manualCleanup?: boolean;
-    rejectErrors?: boolean;
     requireSync?: boolean;
 }
 
diff --git a/packages/core/rxjs-interop/src/to_signal.ts b/packages/core/rxjs-interop/src/to_signal.ts
index c33872a79cfb..8a565330d93a 100644
--- a/packages/core/rxjs-interop/src/to_signal.ts
+++ b/packages/core/rxjs-interop/src/to_signal.ts
@@ -62,16 +62,6 @@ export interface ToSignalOptions<T> {
    */
   manualCleanup?: boolean;
 
-  /**
-   * Whether `toSignal` should throw errors from the Observable error channel back to RxJS, where
-   * they'll be processed as uncaught exceptions.
-   *
-   * In practice, this means that the signal returned by `toSignal` will keep returning the last
-   * good value forever, as Observables which error produce no further values. This option emulates
-   * the behavior of the `async` pipe.
-   */
-  rejectErrors?: boolean;
-
   /**
    * A comparison function which defines equality for values emitted by the observable.
    *
@@ -172,11 +162,6 @@ export function toSignal<T, U = undefined>(
   const sub = source.subscribe({
     next: (value) => state.set({kind: StateKind.Value, value}),
     error: (error) => {
-      if (options?.rejectErrors) {
-        // Kick the error back to RxJS. It will be caught and rethrown in a macrotask, which causes
-        // the error to end up as an uncaught exception.
-        throw error;
-      }
       state.set({kind: StateKind.Error, error});
     },
     // Completion of the Observable is meaningless to the signal. Signals don't have a concept of
diff --git a/packages/core/rxjs-interop/test/to_signal_spec.ts b/packages/core/rxjs-interop/test/to_signal_spec.ts
index 807b04bd2db1..8b76cfb76c7b 100644
--- a/packages/core/rxjs-interop/test/to_signal_spec.ts
+++ b/packages/core/rxjs-interop/test/to_signal_spec.ts
@@ -152,28 +152,6 @@ describe('toSignal()', () => {
     );
   });
 
-  it('should throw the error back to RxJS if rejectErrors is set', () => {
-    let capturedObserver: Observer<number> = null!;
-    const fake$ = {
-      subscribe(observer: Observer<number>): Unsubscribable {
-        capturedObserver = observer;
-        return {unsubscribe(): void {}};
-      },
-    } as Subscribable<number>;
-
-    const s = toSignal(fake$, {initialValue: 0, rejectErrors: true, manualCleanup: true});
-    expect(s()).toBe(0);
-    if (capturedObserver === null) {
-      return fail('Observer not captured as expected.');
-    }
-
-    capturedObserver.next(1);
-    expect(s()).toBe(1);
-
-    expect(() => capturedObserver.error('test')).toThrow('test');
-    expect(s()).toBe(1);
-  });
-
   describe('with no initial value', () => {
     it(
       'should return `undefined` if read before a value is emitted',