diff --git a/app/soapbox/actions/compose.js b/app/soapbox/actions/compose.js
index 8c947655a..f4a644e87 100644
--- a/app/soapbox/actions/compose.js
+++ b/app/soapbox/actions/compose.js
@@ -440,17 +440,6 @@ export function updateTagHistory(tags) {
   };
 }
 
-export function hydrateCompose() {
-  return (dispatch, getState) => {
-    const me = getState().get('me');
-    const history = tagHistory.get(me);
-
-    if (history !== null) {
-      dispatch(updateTagHistory(history));
-    }
-  };
-}
-
 function insertIntoTagHistory(recognizedTags, text) {
   return (dispatch, getState) => {
     const state = getState();
diff --git a/app/soapbox/actions/settings.js b/app/soapbox/actions/settings.js
index 097265814..205250c3b 100644
--- a/app/soapbox/actions/settings.js
+++ b/app/soapbox/actions/settings.js
@@ -2,6 +2,7 @@ import { debounce } from 'lodash';
 import { showAlertForError } from './alerts';
 import { patchMe } from 'soapbox/actions/me';
 import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import uuid from '../uuid';
 
 export const SETTING_CHANGE = 'SETTING_CHANGE';
 export const SETTING_SAVE   = 'SETTING_SAVE';
@@ -114,6 +115,12 @@ const defaultSettings = ImmutableMap({
   trends: ImmutableMap({
     show: true,
   }),
+
+  columns: ImmutableList([
+    ImmutableMap({ id: 'COMPOSE', uuid: uuid(), params: {} }),
+    ImmutableMap({ id: 'HOME', uuid: uuid(), params: {} }),
+    ImmutableMap({ id: 'NOTIFICATIONS', uuid: uuid(), params: {} }),
+  ]),
 });
 
 export function getSettings(state) {
diff --git a/app/soapbox/actions/store.js b/app/soapbox/actions/store.js
deleted file mode 100644
index 87e495b99..000000000
--- a/app/soapbox/actions/store.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import { Iterable, fromJS } from 'immutable';
-import { hydrateCompose } from './compose';
-
-export const STORE_HYDRATE = 'STORE_HYDRATE';
-export const STORE_HYDRATE_LAZY = 'STORE_HYDRATE_LAZY';
-
-const convertState = rawState =>
-  fromJS(rawState, (k, v) =>
-    Iterable.isIndexed(v) ? v.toList() : v.toMap());
-
-export function hydrateStore(rawState) {
-  return dispatch => {
-    const state = convertState(rawState);
-
-    dispatch({
-      type: STORE_HYDRATE,
-      state,
-    });
-
-    dispatch(hydrateCompose());
-    // dispatch(importFetchedAccounts(Object.values(rawState.accounts)));
-  };
-};
diff --git a/app/soapbox/containers/soapbox.js b/app/soapbox/containers/soapbox.js
index ed4549d27..138d12701 100644
--- a/app/soapbox/containers/soapbox.js
+++ b/app/soapbox/containers/soapbox.js
@@ -14,8 +14,6 @@ import { ScrollContext } from 'react-router-scroll-4';
 import UI from '../features/ui';
 // import Introduction from '../features/introduction';
 import { fetchCustomEmojis } from '../actions/custom_emojis';
-import { hydrateStore } from '../actions/store';
-import initialState from '../initial_state';
 import { preload } from '../actions/preload';
 import { IntlProvider } from 'react-intl';
 import ErrorBoundary from '../components/error_boundary';
@@ -32,9 +30,6 @@ const validLocale = locale => Object.keys(messages).includes(locale);
 
 export const store = configureStore();
 
-const hydrateAction = hydrateStore(initialState);
-
-store.dispatch(hydrateAction);
 store.dispatch(preload());
 store.dispatch(fetchMe());
 store.dispatch(fetchInstance());
diff --git a/app/soapbox/initial_state.js b/app/soapbox/initial_state.js
deleted file mode 100644
index dd47e4e8b..000000000
--- a/app/soapbox/initial_state.js
+++ /dev/null
@@ -1,6 +0,0 @@
-'use strict';
-
-const element = document.getElementById('initial-state');
-const initialState = element ? JSON.parse(element.textContent) : {};
-
-export default initialState;
diff --git a/app/soapbox/reducers/__tests__/compose-test.js b/app/soapbox/reducers/__tests__/compose-test.js
index 230036fe8..d8122bab2 100644
--- a/app/soapbox/reducers/__tests__/compose-test.js
+++ b/app/soapbox/reducers/__tests__/compose-test.js
@@ -3,18 +3,18 @@ import { Map as ImmutableMap } from 'immutable';
 import { ME_FETCH_SUCCESS, ME_PATCH_SUCCESS } from 'soapbox/actions/me';
 import { SETTING_CHANGE } from 'soapbox/actions/settings';
 import * as actions from 'soapbox/actions/compose';
-//import { STORE_HYDRATE } from 'soapbox/actions/store';
 //import { REDRAFT } from 'soapbox/actions/statuses';
 import { TIMELINE_DELETE } from 'soapbox/actions/timelines';
 
 describe('compose reducer', () => {
   it('returns the initial state by default', () => {
-    expect(reducer(undefined, {}).toJS()).toMatchObject({
+    const state = reducer(undefined, {});
+    expect(state.toJS()).toMatchObject({
       mounted: 0,
       sensitive: false,
       spoiler: false,
       spoiler_text: '',
-      privacy: null,
+      privacy: 'public',
       text: '',
       focusDate: null,
       caretPosition: null,
@@ -30,10 +30,10 @@ describe('compose reducer', () => {
       suggestions: [],
       default_privacy: 'public',
       default_sensitive: false,
-      idempotencyKey: null,
       tagHistory: [],
       content_type: 'text/markdown',
     });
+    expect(state.get('idempotencyKey').length === 36);
   });
 
   it('uses \'public\' scope as default', () => {
@@ -132,23 +132,6 @@ describe('compose reducer', () => {
     });
   });
 
-  // it('should handle STORE_HYDRATE', () => {
-  //   const state = ImmutableMap({ });
-  //   const action = {
-  //     type: STORE_HYDRATE,
-  //     state: ImmutableMap({
-  //       compose: true,
-  //       text: 'newtext',
-  //     }),
-  //   };
-  //   expect(reducer(state, action)).toEqual(ImmutableMap({
-  //     state: ImmutableMap({
-  //       compose: true,
-  //       text: 'newtext',
-  //     }),
-  //   }));
-  // });
-
   it('should handle COMPOSE_MOUNT', () => {
     const state = ImmutableMap({ mounted: 1 });
     const action = {
diff --git a/app/soapbox/reducers/compose.js b/app/soapbox/reducers/compose.js
index ad5ea9b64..1e0b6d614 100644
--- a/app/soapbox/reducers/compose.js
+++ b/app/soapbox/reducers/compose.js
@@ -38,7 +38,6 @@ import {
   COMPOSE_POLL_SETTINGS_CHANGE,
 } from '../actions/compose';
 import { TIMELINE_DELETE } from '../actions/timelines';
-import { STORE_HYDRATE } from '../actions/store';
 import { REDRAFT } from '../actions/statuses';
 import { ME_FETCH_SUCCESS, ME_PATCH_SUCCESS } from '../actions/me';
 import { SETTING_CHANGE, FE_NAME } from '../actions/settings';
@@ -47,12 +46,13 @@ import uuid from '../uuid';
 import { unescapeHTML } from '../utils/html';
 
 const initialState = ImmutableMap({
+  id: null,
   mounted: 0,
   sensitive: false,
   spoiler: false,
   spoiler_text: '',
   content_type: 'text/markdown',
-  privacy: null,
+  privacy: 'public',
   text: '',
   focusDate: null,
   caretPosition: null,
@@ -69,7 +69,7 @@ const initialState = ImmutableMap({
   default_privacy: 'public',
   default_sensitive: false,
   resetFileKey: Math.floor((Math.random() * 0x10000)),
-  idempotencyKey: null,
+  idempotencyKey: uuid(),
   tagHistory: ImmutableList(),
 });
 
@@ -178,16 +178,6 @@ const privacyPreference = (a, b) => {
   return order[Math.max(order.indexOf(a), order.indexOf(b), 0)];
 };
 
-const hydrate = (state, hydratedState = ImmutableMap()) => {
-  state = clearAll(state.merge(hydratedState));
-
-  if (hydratedState.has('text')) {
-    state = state.set('text', hydratedState.get('text'));
-  }
-
-  return state;
-};
-
 const domParser = new DOMParser();
 
 const expandMentions = status => {
@@ -204,8 +194,6 @@ const expandMentions = status => {
 export default function compose(state = initialState, action) {
   let me, defaultPrivacy;
   switch(action.type) {
-  case STORE_HYDRATE:
-    return hydrate(state, action.state.get('compose'));
   case COMPOSE_MOUNT:
     return state.set('mounted', state.get('mounted') + 1);
   case COMPOSE_UNMOUNT:
diff --git a/app/soapbox/reducers/index.js b/app/soapbox/reducers/index.js
index 6f4abdafe..5ec2b581c 100644
--- a/app/soapbox/reducers/index.js
+++ b/app/soapbox/reducers/index.js
@@ -1,4 +1,6 @@
 import { combineReducers } from 'redux-immutable';
+import { Map as ImmutableMap } from 'immutable';
+import { AUTH_LOGGED_OUT } from 'soapbox/actions/auth';
 import dropdown_menu from './dropdown_menu';
 import timelines from './timelines';
 import meta from './meta';
@@ -48,7 +50,7 @@ import chat_messages from './chat_messages';
 import chat_message_lists from './chat_message_lists';
 import profile_hover_card from './profile_hover_card';
 
-const reducers = {
+const appReducer = combineReducers({
   dropdown_menu,
   timelines,
   meta,
@@ -97,6 +99,27 @@ const reducers = {
   chat_messages,
   chat_message_lists,
   profile_hover_card,
+});
+
+// Clear the state (mostly) when the user logs out
+const logOut = (state = ImmutableMap()) => {
+  const whitelist = ['instance', 'soapbox', 'custom_emojis'];
+
+  return ImmutableMap(
+    whitelist.reduce((acc, curr) => {
+      acc[curr] = state.get(curr);
+      return acc;
+    }, {})
+  );
 };
 
-export default combineReducers(reducers);
+const rootReducer = (state, action) => {
+  switch(action.type) {
+  case AUTH_LOGGED_OUT:
+    return appReducer(logOut(state), action);
+  default:
+    return appReducer(state, action);
+  }
+};
+
+export default rootReducer;
diff --git a/app/soapbox/reducers/media_attachments.js b/app/soapbox/reducers/media_attachments.js
index 1f7fe8cff..7e67805dd 100644
--- a/app/soapbox/reducers/media_attachments.js
+++ b/app/soapbox/reducers/media_attachments.js
@@ -1,4 +1,3 @@
-import { STORE_HYDRATE } from '../actions/store';
 import {
   Map as ImmutableMap,
   List as ImmutableList,
@@ -35,8 +34,6 @@ const initialState = ImmutableMap({
 
 export default function meta(state = initialState, action) {
   switch(action.type) {
-  case STORE_HYDRATE:
-    return state.merge(action.state.get('media_attachments'));
   default:
     return state;
   }
diff --git a/app/soapbox/reducers/meta.js b/app/soapbox/reducers/meta.js
index 6bd397c2c..c3f5062df 100644
--- a/app/soapbox/reducers/meta.js
+++ b/app/soapbox/reducers/meta.js
@@ -1,6 +1,5 @@
 'use strict';
 
-import { STORE_HYDRATE } from '../actions/store';
 import { ME_FETCH_SUCCESS, ME_PATCH_SUCCESS } from 'soapbox/actions/me';
 import { Map as ImmutableMap, fromJS } from 'immutable';
 
@@ -8,8 +7,6 @@ const initialState = ImmutableMap();
 
 export default function meta(state = initialState, action) {
   switch(action.type) {
-  case STORE_HYDRATE:
-    return state.merge(action.state.get('meta'));
   case ME_FETCH_SUCCESS:
   case ME_PATCH_SUCCESS:
     const me = fromJS(action.me);
diff --git a/app/soapbox/reducers/push_notifications.js b/app/soapbox/reducers/push_notifications.js
index 317352b79..6b9001684 100644
--- a/app/soapbox/reducers/push_notifications.js
+++ b/app/soapbox/reducers/push_notifications.js
@@ -1,4 +1,3 @@
-import { STORE_HYDRATE } from '../actions/store';
 import { SET_BROWSER_SUPPORT, SET_SUBSCRIPTION, CLEAR_SUBSCRIPTION, SET_ALERTS } from '../actions/push_notifications';
 import Immutable from 'immutable';
 
@@ -17,21 +16,6 @@ const initialState = Immutable.Map({
 
 export default function push_subscriptions(state = initialState, action) {
   switch(action.type) {
-  case STORE_HYDRATE: {
-    const push_subscription = action.state.get('push_subscription');
-
-    if (push_subscription) {
-      return state
-        .set('subscription', new Immutable.Map({
-          id: push_subscription.get('id'),
-          endpoint: push_subscription.get('endpoint'),
-        }))
-        .set('alerts', push_subscription.get('alerts') || initialState.get('alerts'))
-        .set('isSubscribed', true);
-    }
-
-    return state;
-  }
   case SET_SUBSCRIPTION:
     return state
       .set('subscription', new Immutable.Map({
diff --git a/app/soapbox/reducers/settings.js b/app/soapbox/reducers/settings.js
index 1066716d7..be4f6b88d 100644
--- a/app/soapbox/reducers/settings.js
+++ b/app/soapbox/reducers/settings.js
@@ -1,11 +1,9 @@
 import { SETTING_CHANGE, SETTING_SAVE, FE_NAME } from '../actions/settings';
 import { NOTIFICATIONS_FILTER_SET } from '../actions/notifications';
-import { STORE_HYDRATE } from '../actions/store';
 import { EMOJI_USE } from '../actions/emojis';
 import { LIST_DELETE_SUCCESS, LIST_FETCH_FAIL } from '../actions/lists';
 import { ME_FETCH_SUCCESS } from 'soapbox/actions/me';
 import { Map as ImmutableMap, fromJS } from 'immutable';
-import uuid from '../uuid';
 
 // Default settings are in action/settings.js
 //
@@ -15,22 +13,12 @@ const initialState = ImmutableMap({
   saved: true,
 });
 
-const defaultColumns = fromJS([
-  { id: 'COMPOSE', uuid: uuid(), params: {} },
-  { id: 'HOME', uuid: uuid(), params: {} },
-  { id: 'NOTIFICATIONS', uuid: uuid(), params: {} },
-]);
-
-const hydrate = (state, settings) => state.mergeDeep(settings).update('columns', (val = defaultColumns) => val);
-
 const updateFrequentEmojis = (state, emoji) => state.update('frequentlyUsedEmojis', ImmutableMap(), map => map.update(emoji.id, 0, count => count + 1)).set('saved', false);
 
 const filterDeadListColumns = (state, listId) => state.update('columns', columns => columns.filterNot(column => column.get('id') === 'LIST' && column.get('params').get('id') === listId));
 
 export default function settings(state = initialState, action) {
   switch(action.type) {
-  case STORE_HYDRATE:
-    return hydrate(state, action.state.get('settings'));
   case ME_FETCH_SUCCESS:
     const me = fromJS(action.me);
     let fePrefs = me.getIn(['pleroma', 'settings_store', FE_NAME], ImmutableMap());