diff --git a/lib/reducers/keyserver-reducer.js b/lib/reducers/keyserver-reducer.js
--- a/lib/reducers/keyserver-reducer.js
+++ b/lib/reducers/keyserver-reducer.js
@@ -3,10 +3,13 @@
 import reduceConnectionInfo from './connection-reducer.js';
 import reduceLastCommunicatedPlatformDetails from './last-communicated-platform-details-reducer.js';
 import reduceUpdatesCurrentAsOf from './updates-reducer.js';
+import { addKeyserverActionType } from '../actions/keyserver-actions.js';
 import { siweAuthActionTypes } from '../actions/siwe-actions.js';
 import {
   logInActionTypes,
   resetUserStateActionType,
+  logOutActionTypes,
+  deleteAccountActionTypes,
 } from '../actions/user-actions.js';
 import type { KeyserverStore } from '../types/keyserver-types';
 import type { BaseAction } from '../types/redux-types.js';
@@ -19,10 +22,42 @@
 import { setURLPrefix } from '../utils/url-utils.js';
 import { ashoatKeyserverID } from '../utils/validation-utils.js';
 
+function reduceAddKeyserver(
+  state: KeyserverStore,
+  action: BaseAction,
+): KeyserverStore {
+  if (action.type === addKeyserverActionType) {
+    return {
+      ...state,
+      keyserverInfos: {
+        ...state.keyserverInfos,
+        [action.payload.keyserverAdminUserID]: {
+          ...action.payload.newKeyserverInfo,
+        },
+      },
+    };
+  }
+
+  return state;
+}
+
 export default function reduceKeyserverStore(
   state: KeyserverStore,
   action: BaseAction,
 ): KeyserverStore {
+  if (
+    action.type === logOutActionTypes.success ||
+    action.type === deleteAccountActionTypes.success ||
+    (action.type === setNewSessionActionType &&
+      action.payload.sessionChange.cookieInvalidated)
+  ) {
+    return {
+      keyserverInfos: {},
+    };
+  }
+  if (action.type === addKeyserverActionType) {
+    return reduceAddKeyserver(state, action);
+  }
   // this action is only dispatched on native
   if (action.type === resetUserStateActionType) {
     const stateCookie = state.keyserverInfos[ashoatKeyserverID]?.cookie;