diff --git a/src/api/gramjs/apiBuilders/chats.ts b/src/api/gramjs/apiBuilders/chats.ts
index 1b3bc278b..7ebdf82fd 100644
--- a/src/api/gramjs/apiBuilders/chats.ts
+++ b/src/api/gramjs/apiBuilders/chats.ts
@@ -23,7 +23,7 @@ import type {
   ApiTopic,
 } from '../../types';
 
-import { omitUndefined, pick, pickTruthy } from '../../../util/iteratees';
+import { pick, pickTruthy } from '../../../util/iteratees';
 import { getServerTime, getServerTimeOffset } from '../../../util/serverTime';
 import { addPhotoToLocalDb, addUserToLocalDb, serializeBytes } from '../helpers';
 import { buildApiPhoto, buildApiUsernames, buildAvatarPhotoId } from './common';
@@ -71,7 +71,7 @@ function buildApiChatFieldsFromPeerEntity(
   const areProfilesShown = Boolean('signatureProfiles' in peerEntity && peerEntity.signatureProfiles);
   const subscriptionUntil = 'subscriptionUntilDate' in peerEntity ? peerEntity.subscriptionUntilDate : undefined;
 
-  return omitUndefined<PeerEntityApiChatFields>({
+  return {
     isMin,
     hasPrivateLink,
     areSignaturesShown,
@@ -104,7 +104,7 @@ function buildApiChatFieldsFromPeerEntity(
     emojiStatus,
     boostLevel,
     subscriptionUntil,
-  });
+  };
 }
 
 export function buildApiChatFromDialog(
diff --git a/src/global/reducers/chats.ts b/src/global/reducers/chats.ts
index 7473a4c16..d05d0d632 100644
--- a/src/global/reducers/chats.ts
+++ b/src/global/reducers/chats.ts
@@ -6,7 +6,7 @@ import type { ChatListType, GlobalState } from '../types';
 import { ARCHIVED_FOLDER_ID } from '../../config';
 import { areDeepEqual } from '../../util/areDeepEqual';
 import {
-  areSortedArraysEqual, buildCollectionByKey, omit, pick, unique,
+  areSortedArraysEqual, buildCollectionByKey, omit, omitUndefined, pick, unique,
 } from '../../util/iteratees';
 import { selectChatFullInfo } from '../selectors';
 
@@ -310,7 +310,7 @@ function getUpdatedChat<T extends GlobalState>(
     return undefined;
   }
 
-  return updatedChat;
+  return omitUndefined(updatedChat);
 }
 
 export function updateChatListType<T extends GlobalState>(
diff --git a/src/global/reducers/users.ts b/src/global/reducers/users.ts
index a7b853c22..d31f7c6ee 100644
--- a/src/global/reducers/users.ts
+++ b/src/global/reducers/users.ts
@@ -5,7 +5,7 @@ import type { GlobalState, TabArgs, TabState } from '../types';
 
 import { areDeepEqual } from '../../util/areDeepEqual';
 import { getCurrentTabId } from '../../util/establishMultitabRole';
-import { omit, unique } from '../../util/iteratees';
+import { omit, omitUndefined, unique } from '../../util/iteratees';
 import { MEMO_EMPTY_ARRAY } from '../../util/memo';
 import { selectTabState } from '../selectors';
 import { updateChat } from './chats';
@@ -140,7 +140,7 @@ function getUpdatedUser(global: GlobalState, userId: string, userUpdate: Partial
     return undefined;
   }
 
-  return updatedUser;
+  return omitUndefined(updatedUser);
 }
 
 export function deleteContact<T extends GlobalState>(global: T, userId: string): T {