diff --git a/app/javascript/mastodon/actions/domain_blocks.js b/app/javascript/mastodon/actions/domain_blocks.js
index 0445a5e10..34a33a654 100644
--- a/app/javascript/mastodon/actions/domain_blocks.js
+++ b/app/javascript/mastodon/actions/domain_blocks.js
@@ -23,6 +23,7 @@ export function blockDomain(domain) {
     api(getState).post('/api/v1/domain_blocks', { domain }).then(() => {
       const at_domain = '@' + domain;
       const accounts = getState().get('accounts').filter(item => item.get('acct').endsWith(at_domain)).valueSeq().map(item => item.get('id'));
+
       dispatch(blockDomainSuccess(domain, accounts));
     }).catch(err => {
       dispatch(blockDomainFail(domain, err));
diff --git a/app/javascript/mastodon/reducers/conversations.js b/app/javascript/mastodon/reducers/conversations.js
index 9564bffcd..390658239 100644
--- a/app/javascript/mastodon/reducers/conversations.js
+++ b/app/javascript/mastodon/reducers/conversations.js
@@ -8,6 +8,8 @@ import {
   CONVERSATIONS_UPDATE,
   CONVERSATIONS_READ,
 } from '../actions/conversations';
+import { ACCOUNT_BLOCK_SUCCESS, ACCOUNT_MUTE_SUCCESS } from 'mastodon/actions/accounts';
+import { DOMAIN_BLOCK_SUCCESS } from 'mastodon/actions/domain_blocks';
 import compareId from '../compare_id';
 
 const initialState = ImmutableMap({
@@ -74,6 +76,10 @@ const expandNormalizedConversations = (state, conversations, next, isLoadingRece
   });
 };
 
+const filterConversations = (state, accountIds) => {
+  return state.update('items', list => list.filterNot(item => item.get('accounts').some(accountId => accountIds.includes(accountId))));
+};
+
 export default function conversations(state = initialState, action) {
   switch (action.type) {
   case CONVERSATIONS_FETCH_REQUEST:
@@ -96,6 +102,11 @@ export default function conversations(state = initialState, action) {
 
       return item;
     }));
+  case ACCOUNT_BLOCK_SUCCESS:
+  case ACCOUNT_MUTE_SUCCESS:
+    return filterConversations(state, [action.relationship.id]);
+  case DOMAIN_BLOCK_SUCCESS:
+    return filterConversations(state, action.accounts);
   default:
     return state;
   }
diff --git a/app/javascript/mastodon/reducers/notifications.js b/app/javascript/mastodon/reducers/notifications.js
index e94a4946b..049c70cb4 100644
--- a/app/javascript/mastodon/reducers/notifications.js
+++ b/app/javascript/mastodon/reducers/notifications.js
@@ -12,6 +12,7 @@ import {
   ACCOUNT_BLOCK_SUCCESS,
   ACCOUNT_MUTE_SUCCESS,
 } from '../actions/accounts';
+import { DOMAIN_BLOCK_SUCCESS } from 'mastodon/actions/domain_blocks';
 import { TIMELINE_DELETE, TIMELINE_DISCONNECT } from '../actions/timelines';
 import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
 import compareId from '../compare_id';
@@ -83,8 +84,8 @@ const expandNormalizedNotifications = (state, notifications, next, usePendingIte
   });
 };
 
-const filterNotifications = (state, relationship) => {
-  const helper = list => list.filterNot(item => item !== null && item.get('account') === relationship.id);
+const filterNotifications = (state, accountIds) => {
+  const helper = list => list.filterNot(item => item !== null && accountIds.includes(item.get('account')));
   return state.update('items', helper).update('pendingItems', helper);
 };
 
@@ -118,9 +119,11 @@ export default function notifications(state = initialState, action) {
   case NOTIFICATIONS_EXPAND_SUCCESS:
     return expandNormalizedNotifications(state, action.notifications, action.next, action.usePendingItems);
   case ACCOUNT_BLOCK_SUCCESS:
-    return filterNotifications(state, action.relationship);
+    return filterNotifications(state, [action.relationship.id]);
   case ACCOUNT_MUTE_SUCCESS:
-    return action.relationship.muting_notifications ? filterNotifications(state, action.relationship) : state;
+    return action.relationship.muting_notifications ? filterNotifications(state, [action.relationship.id]) : state;
+  case DOMAIN_BLOCK_SUCCESS:
+    return filterNotifications(state, action.accounts);
   case NOTIFICATIONS_CLEAR:
     return state.set('items', ImmutableList()).set('pendingItems', ImmutableList()).set('hasMore', false);
   case TIMELINE_DELETE:
diff --git a/app/javascript/mastodon/reducers/suggestions.js b/app/javascript/mastodon/reducers/suggestions.js
index 9f4b89d58..834be728f 100644
--- a/app/javascript/mastodon/reducers/suggestions.js
+++ b/app/javascript/mastodon/reducers/suggestions.js
@@ -4,6 +4,8 @@ import {
   SUGGESTIONS_FETCH_FAIL,
   SUGGESTIONS_DISMISS,
 } from '../actions/suggestions';
+import { ACCOUNT_BLOCK_SUCCESS, ACCOUNT_MUTE_SUCCESS } from 'mastodon/actions/accounts';
+import { DOMAIN_BLOCK_SUCCESS } from 'mastodon/actions/domain_blocks';
 import { Map as ImmutableMap, List as ImmutableList, fromJS } from 'immutable';
 
 const initialState = ImmutableMap({
@@ -24,6 +26,11 @@ export default function suggestionsReducer(state = initialState, action) {
     return state.set('isLoading', false);
   case SUGGESTIONS_DISMISS:
     return state.update('items', list => list.filterNot(id => id === action.id));
+  case ACCOUNT_BLOCK_SUCCESS:
+  case ACCOUNT_MUTE_SUCCESS:
+    return state.update('items', list => list.filterNot(id => id === action.relationship.id));
+  case DOMAIN_BLOCK_SUCCESS:
+    return state.update('items', list => list.filterNot(id => action.accounts.includes(id)));
   default:
     return state;
   }
diff --git a/app/services/after_block_domain_from_account_service.rb b/app/services/after_block_domain_from_account_service.rb
index a87c2e792..f50bde261 100644
--- a/app/services/after_block_domain_from_account_service.rb
+++ b/app/services/after_block_domain_from_account_service.rb
@@ -10,12 +10,24 @@ class AfterBlockDomainFromAccountService < BaseService
     @account = account
     @domain  = domain
 
+    clear_notifications!
+    remove_follows!
     reject_existing_followers!
     reject_pending_follow_requests!
   end
 
   private
 
+  def remove_follows!
+    @account.active_relationships.where(account: Account.where(domain: @domain)).includes(:target_account).reorder(nil).find_each do |follow|
+      UnfollowService.new.call(@account, follow.target_account)
+    end
+  end
+
+  def clear_notifications!
+    Notification.where(account: @account).where(from_account: Account.where(domain: @domain)).in_batches.delete_all
+  end
+
   def reject_existing_followers!
     @account.passive_relationships.where(account: Account.where(domain: @domain)).includes(:account).reorder(nil).find_each do |follow|
       reject_follow!(follow)
diff --git a/app/services/after_block_service.rb b/app/services/after_block_service.rb
index 706db0d63..2a0e10a79 100644
--- a/app/services/after_block_service.rb
+++ b/app/services/after_block_service.rb
@@ -2,43 +2,25 @@
 
 class AfterBlockService < BaseService
   def call(account, target_account)
-    clear_home_feed(account, target_account)
-    clear_notifications(account, target_account)
-    clear_conversations(account, target_account)
+    @account        = account
+    @target_account = target_account
+
+    clear_home_feed!
+    clear_notifications!
+    clear_conversations!
   end
 
   private
 
-  def clear_home_feed(account, target_account)
-    FeedManager.instance.clear_from_timeline(account, target_account)
+  def clear_home_feed!
+    FeedManager.instance.clear_from_timeline(@account, @target_account)
   end
 
-  def clear_conversations(account, target_account)
-    AccountConversation.where(account: account)
-                       .where('? = ANY(participant_account_ids)', target_account.id)
-                       .in_batches
-                       .destroy_all
+  def clear_conversations!
+    AccountConversation.where(account: @account).where('? = ANY(participant_account_ids)', @target_account.id).in_batches.destroy_all
   end
 
-  def clear_notifications(account, target_account)
-    Notification.where(account: account)
-                .joins(:follow)
-                .where(activity_type: 'Follow', follows: { account_id: target_account.id })
-                .delete_all
-
-    Notification.where(account: account)
-                .joins(mention: :status)
-                .where(activity_type: 'Mention', statuses: { account_id: target_account.id })
-                .delete_all
-
-    Notification.where(account: account)
-                .joins(:favourite)
-                .where(activity_type: 'Favourite', favourites: { account_id: target_account.id })
-                .delete_all
-
-    Notification.where(account: account)
-                .joins(:status)
-                .where(activity_type: 'Status', statuses: { account_id: target_account.id })
-                .delete_all
+  def clear_notifications!
+    Notification.where(account: @account).where(from_account: @target_account).in_batches.delete_all
   end
 end
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 8e118f5d3..101acdaf9 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -13,7 +13,7 @@ class FollowService < BaseService
     target_account = ResolveAccountService.new.call(target_account, skip_webfinger: true)
 
     raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id || target_account.suspended?
-    raise Mastodon::NotPermittedError  if target_account.blocking?(source_account) || source_account.blocking?(target_account) || target_account.moved? || (!target_account.local? && target_account.ostatus?)
+    raise Mastodon::NotPermittedError  if target_account.blocking?(source_account) || source_account.blocking?(target_account) || target_account.moved? || (!target_account.local? && target_account.ostatus?) || source_account.domain_blocking?(target_account.domain)
 
     if source_account.following?(target_account)
       # We're already following this account, but we'll call follow! again to