diff --git a/app/javascript/flavours/glitch/actions/store.js b/app/javascript/flavours/glitch/actions/store.js
index 34dcafc510..9dbc0b2148 100644
--- a/app/javascript/flavours/glitch/actions/store.js
+++ b/app/javascript/flavours/glitch/actions/store.js
@@ -1,6 +1,7 @@
 import { Iterable, fromJS } from 'immutable';
 import { hydrateCompose } from './compose';
 import { importFetchedAccounts } from './importer';
+import { saveSettings } from './settings';
 
 export const STORE_HYDRATE = 'STORE_HYDRATE';
 export const STORE_HYDRATE_LAZY = 'STORE_HYDRATE_LAZY';
@@ -9,9 +10,22 @@ const convertState = rawState =>
   fromJS(rawState, (k, v) =>
     Iterable.isIndexed(v) ? v.toList() : v.toMap());
 
+const applyMigrations = (state) => {
+  return state.withMutations(state => {
+    // Migrate glitch-soc local-only “Show unread marker” setting to Mastodon's setting
+    if (state.getIn(['local_settings', 'notifications', 'show_unread']) !== undefined) {
+      // Only change if the Mastodon setting does not deviate from default
+      if (state.getIn(['settings', 'notifications', 'showUnread']) !== false) {
+        state.setIn(['settings', 'notifications', 'showUnread'], state.getIn(['local_settings', 'notifications', 'show_unread']));
+      }
+      state.removeIn(['local_settings', 'notifications', 'show_unread'])
+    }
+  });
+};
+
 export function hydrateStore(rawState) {
   return dispatch => {
-    const state = convertState(rawState);
+    const state = applyMigrations(convertState(rawState));
 
     dispatch({
       type: STORE_HYDRATE,
@@ -20,5 +34,6 @@ export function hydrateStore(rawState) {
 
     dispatch(hydrateCompose());
     dispatch(importFetchedAccounts(Object.values(rawState.accounts)));
+    dispatch(saveSettings());
   };
 };
diff --git a/app/javascript/flavours/glitch/features/local_settings/page/index.js b/app/javascript/flavours/glitch/features/local_settings/page/index.js
index 3af6cbdf61..45d10d154e 100644
--- a/app/javascript/flavours/glitch/features/local_settings/page/index.js
+++ b/app/javascript/flavours/glitch/features/local_settings/page/index.js
@@ -113,14 +113,6 @@ class LocalSettingsPage extends React.PureComponent {
             <FormattedMessage id='settings.notifications.favicon_badge' defaultMessage='Unread notifications favicon badge' />
             <span className='hint'><FormattedMessage id='settings.notifications.favicon_badge.hint' defaultMessage="Add a badge for unread notifications to the favicon" /></span>
           </LocalSettingsPageItem>
-          <LocalSettingsPageItem
-            settings={settings}
-            item={['notifications', 'show_unread']}
-            id='mastodon-settings--notifications-show_unread'
-            onChange={onChange}
-          >
-            <FormattedMessage id='settings.notifications.show_unread' defaultMessage='Show unread marker' />
-          </LocalSettingsPageItem>
         </section>
         <section>
           <h2><FormattedMessage id='settings.layout_opts' defaultMessage='Layout options' /></h2>
diff --git a/app/javascript/flavours/glitch/reducers/local_settings.js b/app/javascript/flavours/glitch/reducers/local_settings.js
index ea37ae4aa6..c115cad6ba 100644
--- a/app/javascript/flavours/glitch/reducers/local_settings.js
+++ b/app/javascript/flavours/glitch/reducers/local_settings.js
@@ -55,7 +55,6 @@ const initialState = ImmutableMap({
   notifications : ImmutableMap({
     favicon_badge : false,
     tab_badge     : true,
-    show_unread   : true,
   }),
 });