diff --git a/lib/actions/siwe-actions.js b/lib/actions/siwe-actions.js
--- a/lib/actions/siwe-actions.js
+++ b/lib/actions/siwe-actions.js
@@ -1,12 +1,12 @@
 // @flow
 
-import { mergeUserInfos } from './user-actions.js';
 import threadWatcher from '../shared/thread-watcher.js';
 import {
   type LogInResult,
   logInActionSources,
 } from '../types/account-types.js';
 import type { SIWEAuthServerCall } from '../types/siwe-types.js';
+import { mergeUserInfos } from '../utils/action-utils.js';
 import type {
   CallServerEndpoint,
   CallServerEndpointOptions,
diff --git a/lib/actions/user-actions.js b/lib/actions/user-actions.js
--- a/lib/actions/user-actions.js
+++ b/lib/actions/user-actions.js
@@ -39,15 +39,12 @@
   SubscriptionUpdateResult,
 } from '../types/subscription-types.js';
 import type { LegacyRawThreadInfos } from '../types/thread-types';
-import type {
-  UserInfo,
-  PasswordUpdate,
-  LoggedOutUserInfo,
-} from '../types/user-types.js';
+import type { PasswordUpdate, LoggedOutUserInfo } from '../types/user-types.js';
 import {
   extractKeyserverIDFromID,
   sortThreadIDsPerKeyserver,
   sortCalendarQueryPerKeyserver,
+  mergeUserInfos,
 } from '../utils/action-utils.js';
 import type {
   CallServerEndpoint,
@@ -187,22 +184,6 @@
     };
   };
 
-function mergeUserInfos(
-  ...userInfoArrays: Array<$ReadOnlyArray<UserInfo>>
-): UserInfo[] {
-  const merged: { [string]: UserInfo } = {};
-  for (const userInfoArray of userInfoArrays) {
-    for (const userInfo of userInfoArray) {
-      merged[userInfo.id] = userInfo;
-    }
-  }
-  const flattened = [];
-  for (const id in merged) {
-    flattened.push(merged[id]);
-  }
-  return flattened;
-}
-
 type WritableGenericMessagesResult = {
   messageInfos: RawMessageInfo[],
   truncationStatus: MessageTruncationStatuses,
@@ -504,7 +485,6 @@
   getSessionPublicKeys,
   getOlmSessionInitializationDataActionTypes,
   getOlmSessionInitializationData,
-  mergeUserInfos,
   logIn as logInRawAction,
   useLogIn,
   logInActionTypes,
diff --git a/lib/utils/action-utils.js b/lib/utils/action-utils.js
--- a/lib/utils/action-utils.js
+++ b/lib/utils/action-utils.js
@@ -37,7 +37,7 @@
   PreRequestUserState,
 } from '../types/session-types.js';
 import type { ConnectionStatus } from '../types/socket-types.js';
-import type { CurrentUserInfo } from '../types/user-types.js';
+import type { CurrentUserInfo, UserInfo } from '../types/user-types.js';
 
 function extractKeyserverIDFromID(id: string): string {
   return id.split('|')[0];
@@ -594,6 +594,22 @@
   return results;
 }
 
+function mergeUserInfos(
+  ...userInfoArrays: Array<$ReadOnlyArray<UserInfo>>
+): UserInfo[] {
+  const merged: { [string]: UserInfo } = {};
+  for (const userInfoArray of userInfoArrays) {
+    for (const userInfo of userInfoArray) {
+      merged[userInfo.id] = userInfo;
+    }
+  }
+  const flattened = [];
+  for (const id in merged) {
+    flattened.push(merged[id]);
+  }
+  return flattened;
+}
+
 export {
   useDispatchActionPromise,
   setNewSessionActionType,
@@ -605,4 +621,5 @@
   extractKeyserverIDFromID,
   sortThreadIDsPerKeyserver,
   sortCalendarQueryPerKeyserver,
+  mergeUserInfos,
 };