diff --git a/public/app/features/alerting/unified/utils/receiver-form.test.ts b/public/app/features/alerting/unified/utils/receiver-form.test.ts
index 7db175181df..06ee33629a2 100644
--- a/public/app/features/alerting/unified/utils/receiver-form.test.ts
+++ b/public/app/features/alerting/unified/utils/receiver-form.test.ts
@@ -1,8 +1,17 @@
+import 'core-js/stable/structured-clone';
+
 import { NotifierDTO } from 'app/types';
 
-import { GrafanaChannelValues, ReceiverFormValues } from '../types/receiver-form';
+import { Receiver } from '../../../../plugins/datasource/alertmanager/types';
+import { CloudChannelValues, GrafanaChannelValues, ReceiverFormValues } from '../types/receiver-form';
 
-import { formValuesToGrafanaReceiver, omitEmptyValues, omitEmptyUnlessExisting } from './receiver-form';
+import {
+  formValuesToGrafanaReceiver,
+  omitEmptyValues,
+  omitEmptyUnlessExisting,
+  omitTemporaryIdentifiers,
+  formValuesToCloudReceiver,
+} from './receiver-form';
 
 describe('Receiver form utils', () => {
   describe('omitEmptyStringValues', () => {
@@ -67,6 +76,91 @@ describe('Receiver form utils', () => {
       expect(omitEmptyUnlessExisting(original, existing)).toEqual(expected);
     });
   });
+
+  describe('omitTemporaryIdentifiers', () => {
+    it('should remove __id from the root object', () => {
+      const original = {
+        __id: '1',
+        foo: 'bar',
+      };
+
+      const expected = {
+        foo: 'bar',
+      };
+
+      expect(omitTemporaryIdentifiers(original)).toEqual(expected);
+    });
+
+    it('should remove __id from nested objects', () => {
+      const original = {
+        foo: 'bar',
+        nested: {
+          __id: '1',
+          baz: 'qux',
+          doubleNested: { __id: '2', url: 'example.com' },
+        },
+      };
+
+      const expected = {
+        foo: 'bar',
+        nested: {
+          baz: 'qux',
+          doubleNested: { url: 'example.com' },
+        },
+      };
+
+      expect(omitTemporaryIdentifiers(original)).toEqual(expected);
+    });
+
+    it('should remove __id from objects in an array', () => {
+      const original = {
+        foo: 'bar',
+        array: [
+          {
+            __id: '1',
+            baz: 'qux',
+            actions: [
+              { __id: '3', type: 'email' },
+              { __id: '4', type: 'slack' },
+            ],
+          },
+          { __id: '2', quux: 'quuz' },
+        ],
+      };
+
+      const expected = {
+        foo: 'bar',
+        array: [
+          {
+            baz: 'qux',
+            actions: [{ type: 'email' }, { type: 'slack' }],
+          },
+          {
+            quux: 'quuz',
+          },
+        ],
+      };
+
+      expect(omitTemporaryIdentifiers(original)).toEqual(expected);
+    });
+
+    it('should return a new object and keep the original intact', () => {
+      const original = {
+        foo: 'bar',
+        nested: {
+          __id: '1',
+          baz: 'qux',
+          doubleNested: { __id: '2', url: 'example.com' },
+        },
+      };
+
+      const withOmitted = omitTemporaryIdentifiers(original);
+
+      expect(withOmitted).not.toBe(original);
+      expect(original.nested.__id).toBe('1');
+      expect(original.nested.doubleNested.__id).toBe('2');
+    });
+  });
 });
 
 describe('formValuesToGrafanaReceiver', () => {
@@ -111,3 +205,50 @@ describe('formValuesToGrafanaReceiver', () => {
     expect(formValuesToGrafanaReceiver(formValues, channelMap, {}, notifiers)).toMatchSnapshot();
   });
 });
+
+describe('formValuesToCloudReceiver', () => {
+  it('should remove temporary ids from receivers and settings', () => {
+    const formValues: ReceiverFormValues<CloudChannelValues> = {
+      name: 'my-receiver',
+      items: [
+        {
+          __id: '1',
+          type: 'slack',
+          settings: {
+            url: 'https://slack.example.com/',
+            actions: [{ __id: '2', text: 'Acknowledge', type: 'button' }],
+            fields: [{ __id: '10', title: 'priority', value: '1' }],
+          },
+          secureFields: {},
+          secureSettings: {},
+          sendResolved: true,
+        },
+      ],
+    };
+
+    const defaults: CloudChannelValues = {
+      __id: '1',
+      type: 'slack',
+      settings: {
+        url: 'https://slack.example.com/',
+      },
+      secureFields: {},
+      secureSettings: {},
+      sendResolved: true,
+    };
+
+    const expected: Receiver = {
+      name: 'my-receiver',
+      slack_configs: [
+        {
+          url: 'https://slack.example.com/',
+          actions: [{ text: 'Acknowledge', type: 'button' }],
+          fields: [{ title: 'priority', value: '1' }],
+          send_resolved: true,
+        },
+      ],
+    };
+
+    expect(formValuesToCloudReceiver(formValues, defaults)).toEqual(expected);
+  });
+});
diff --git a/public/app/features/alerting/unified/utils/receiver-form.ts b/public/app/features/alerting/unified/utils/receiver-form.ts
index d779c9f2cb8..b7e4b35233b 100644
--- a/public/app/features/alerting/unified/utils/receiver-form.ts
+++ b/public/app/features/alerting/unified/utils/receiver-form.ts
@@ -108,7 +108,7 @@ export function formValuesToCloudReceiver(
   };
   values.items.forEach(({ __id, type, settings, sendResolved }) => {
     const channel = omitEmptyValues({
-      ...settings,
+      ...omitTemporaryIdentifiers(settings),
       send_resolved: sendResolved ?? defaults.sendResolved,
     });
 
@@ -292,3 +292,21 @@ export function omitEmptyValues<T>(obj: T): T {
 export function omitEmptyUnlessExisting(settings = {}, existing = {}): Record<string, unknown> {
   return omitBy(settings, (value, key) => isUnacceptableValue(value) && !(key in existing));
 }
+
+export function omitTemporaryIdentifiers<T>(object: Readonly<T>): T {
+  function omitIdentifiers<T>(obj: T) {
+    if (isArray(obj)) {
+      obj.forEach(omitIdentifiers);
+    } else if (typeof obj === 'object' && obj !== null) {
+      if ('__id' in obj) {
+        delete obj.__id;
+      }
+      Object.values(obj).forEach(omitIdentifiers);
+    }
+  }
+
+  const objectCopy = structuredClone(object);
+  omitIdentifiers(objectCopy);
+
+  return objectCopy;
+}