diff --git a/app/models/account.rb b/app/models/account.rb
index 994459338b..2c5455d8e5 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -6,12 +6,8 @@
 #  id                            :bigint(8)        not null, primary key
 #  username                      :string           default(""), not null
 #  domain                        :string
-#  secret                        :string           default(""), not null
 #  private_key                   :text
 #  public_key                    :text             default(""), not null
-#  remote_url                    :string           default(""), not null
-#  salmon_url                    :string           default(""), not null
-#  hub_url                       :string           default(""), not null
 #  created_at                    :datetime         not null
 #  updated_at                    :datetime         not null
 #  note                          :text             default(""), not null
@@ -49,12 +45,18 @@
 #  avatar_storage_schema_version :integer
 #  header_storage_schema_version :integer
 #  devices_url                   :string
-#  sensitized_at                 :datetime
 #  suspension_origin             :integer
+#  sensitized_at                 :datetime
 #
 
 class Account < ApplicationRecord
-  self.ignored_columns = %w(subscription_expires_at)
+  self.ignored_columns = %w(
+    subscription_expires_at
+    secret
+    remote_url
+    salmon_url
+    hub_url
+  )
 
   USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.-]+[a-z0-9_]+)?/i
   MENTION_RE  = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[[:word:]\.\-]+[a-z0-9]+)?)/i
diff --git a/db/post_migrate/20210507001928_remove_hub_url_from_accounts.rb b/db/post_migrate/20210507001928_remove_hub_url_from_accounts.rb
new file mode 100644
index 0000000000..83a1f5fcf3
--- /dev/null
+++ b/db/post_migrate/20210507001928_remove_hub_url_from_accounts.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class RemoveHubURLFromAccounts < ActiveRecord::Migration[5.2]
+  def change
+    safety_assured do
+      remove_column :accounts, :secret, :string, null: false, default: ''
+      remove_column :accounts, :remote_url, :string, null: false, default: ''
+      remove_column :accounts, :salmon_url, :string, null: false, default: ''
+      remove_column :accounts, :hub_url, :string, null: false, default: ''
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 19b1afe00d..583bdf317d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_05_05_174616) do
+ActiveRecord::Schema.define(version: 2021_05_07_001928) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -136,12 +136,8 @@ ActiveRecord::Schema.define(version: 2021_05_05_174616) do
   create_table "accounts", id: :bigint, default: -> { "timestamp_id('accounts'::text)" }, force: :cascade do |t|
     t.string "username", default: "", null: false
     t.string "domain"
-    t.string "secret", default: "", null: false
     t.text "private_key"
     t.text "public_key", default: "", null: false
-    t.string "remote_url", default: "", null: false
-    t.string "salmon_url", default: "", null: false
-    t.string "hub_url", default: "", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.text "note", default: "", null: false
diff --git a/spec/controllers/relationships_controller_spec.rb b/spec/controllers/relationships_controller_spec.rb
index 16e255afe1..2056a2ac29 100644
--- a/spec/controllers/relationships_controller_spec.rb
+++ b/spec/controllers/relationships_controller_spec.rb
@@ -36,11 +36,7 @@ describe RelationshipsController do
   end
 
   describe 'PATCH #update' do
-    let(:poopfeast) { Fabricate(:account, username: 'poopfeast', domain: 'example.com', salmon_url: 'http://example.com/salmon') }
-
-    before do
-      stub_request(:post, 'http://example.com/salmon').to_return(status: 200)
-    end
+    let(:poopfeast) { Fabricate(:account, username: 'poopfeast', domain: 'example.com') }
 
     shared_examples 'redirects back to followers page' do
       it 'redirects back to followers page' do
diff --git a/spec/services/authorize_follow_service_spec.rb b/spec/services/authorize_follow_service_spec.rb
index ce56d57a62..8e5d8fb03a 100644
--- a/spec/services/authorize_follow_service_spec.rb
+++ b/spec/services/authorize_follow_service_spec.rb
@@ -22,24 +22,6 @@ RSpec.describe AuthorizeFollowService, type: :service do
     end
   end
 
-  describe 'remote OStatus' do
-    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
-
-    before do
-      FollowRequest.create(account: bob, target_account: sender)
-      stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
-      subject.call(bob, sender)
-    end
-
-    it 'removes follow request' do
-      expect(bob.requested?(sender)).to be false
-    end
-
-    it 'creates follow relation' do
-      expect(bob.following?(sender)).to be true
-    end
-  end
-
   describe 'remote ActivityPub' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', protocol: :activitypub, inbox_url: 'http://example.com/inbox')).account }
 
diff --git a/spec/services/batched_remove_status_service_spec.rb b/spec/services/batched_remove_status_service_spec.rb
index c1f54a6fd2..4203952c60 100644
--- a/spec/services/batched_remove_status_service_spec.rb
+++ b/spec/services/batched_remove_status_service_spec.rb
@@ -4,7 +4,7 @@ RSpec.describe BatchedRemoveStatusService, type: :service do
   subject { BatchedRemoveStatusService.new }
 
   let!(:alice)  { Fabricate(:account) }
-  let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://example.com/salmon') }
+  let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com') }
   let!(:jeff)   { Fabricate(:user).account }
   let!(:hank)   { Fabricate(:account, username: 'hank', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
 
diff --git a/spec/services/block_service_spec.rb b/spec/services/block_service_spec.rb
index de20dd0265..3714f09e9a 100644
--- a/spec/services/block_service_spec.rb
+++ b/spec/services/block_service_spec.rb
@@ -17,19 +17,6 @@ RSpec.describe BlockService, type: :service do
     end
   end
 
-  describe 'remote OStatus' do
-    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
-
-    before do
-      stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
-      subject.call(sender, bob)
-    end
-
-    it 'creates a blocking relation' do
-      expect(sender.blocking?(bob)).to be true
-    end
-  end
-
   describe 'remote ActivityPub' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
 
diff --git a/spec/services/favourite_service_spec.rb b/spec/services/favourite_service_spec.rb
index 4c29ea77b7..fc7f58eb42 100644
--- a/spec/services/favourite_service_spec.rb
+++ b/spec/services/favourite_service_spec.rb
@@ -18,20 +18,6 @@ RSpec.describe FavouriteService, type: :service do
     end
   end
 
-  describe 'remote OStatus' do
-    let(:bob)    { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
-    let(:status) { Fabricate(:status, account: bob, uri: 'tag:example.com:blahblah') }
-
-    before do
-      stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
-      subject.call(sender, status)
-    end
-
-    it 'creates a favourite' do
-      expect(status.favourites.first).to_not be_nil
-    end
-  end
-
   describe 'remote ActivityPub' do
     let(:bob)    { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, protocol: :activitypub, username: 'bob', domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
     let(:status) { Fabricate(:status, account: bob) }
diff --git a/spec/services/fetch_remote_status_service_spec.rb b/spec/services/fetch_remote_status_service_spec.rb
index 1c4b4fee26..0e63cc9eba 100644
--- a/spec/services/fetch_remote_status_service_spec.rb
+++ b/spec/services/fetch_remote_status_service_spec.rb
@@ -31,56 +31,4 @@ RSpec.describe FetchRemoteStatusService, type: :service do
       expect(status.text).to eq 'Lorem ipsum'
     end
   end
-
-  context 'protocol is :ostatus' do
-    subject { described_class.new }
-
-    before do
-      Fabricate(:account, username: 'tracer', domain: 'real.domain', remote_url: 'https://real.domain/users/tracer')
-    end
-
-    it 'does not create status with author at different domain' do
-      status_body = <<-XML.squish
-        
-        
-          tag:real.domain,2017-04-27:objectId=4487555:objectType=Status
-          2017-04-27T13:49:25Z
-          2017-04-27T13:49:25Z
-          http://activitystrea.ms/schema/1.0/note
-          http://activitystrea.ms/schema/1.0/post
-          
-            https://real.domain/users/tracer
-            http://activitystrea.ms/schema/1.0/person
-            https://real.domain/users/tracer
-            tracer
-          
-          Overwatch rocks
-        
-      XML
-
-      expect(subject.call('https://fake.domain/foo', status_body)).to be_nil
-    end
-
-    it 'does not create status with wrong id when id uses http format' do
-      status_body = <<-XML.squish
-        
-        
-          https://other-real.domain/statuses/123
-          2017-04-27T13:49:25Z
-          2017-04-27T13:49:25Z
-          http://activitystrea.ms/schema/1.0/note
-          http://activitystrea.ms/schema/1.0/post
-          
-            https://real.domain/users/tracer
-            http://activitystrea.ms/schema/1.0/person
-            https://real.domain/users/tracer
-            tracer
-          
-          Overwatch rocks
-        
-      XML
-
-      expect(subject.call('https://real.domain/statuses/456', status_body)).to be_nil
-    end
-  end
 end
diff --git a/spec/services/process_mentions_service_spec.rb b/spec/services/process_mentions_service_spec.rb
index c30de8eeb9..3b2f9d6984 100644
--- a/spec/services/process_mentions_service_spec.rb
+++ b/spec/services/process_mentions_service_spec.rb
@@ -7,37 +7,6 @@ RSpec.describe ProcessMentionsService, type: :service do
 
   subject { ProcessMentionsService.new }
 
-  context 'OStatus with public toot' do
-    let(:remote_user) { Fabricate(:account, username: 'remote_user', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com') }
-
-    before do
-      stub_request(:post, remote_user.salmon_url)
-      subject.call(status)
-    end
-
-    it 'does not create a mention' do
-      expect(remote_user.mentions.where(status: status).count).to eq 0
-    end
-  end
-
-  context 'OStatus with private toot' do
-    let(:visibility)  { :private }
-    let(:remote_user) { Fabricate(:account, username: 'remote_user', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com') }
-
-    before do
-      stub_request(:post, remote_user.salmon_url)
-      subject.call(status)
-    end
-
-    it 'does not create a mention' do
-      expect(remote_user.mentions.where(status: status).count).to eq 0
-    end
-
-    it 'does not post to remote user\'s Salmon end point' do
-      expect(a_request(:post, remote_user.salmon_url)).to_not have_been_made
-    end
-  end
-
   context 'ActivityPub' do
     context do
       let(:remote_user) { Fabricate(:account, username: 'remote_user', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
diff --git a/spec/services/reblog_service_spec.rb b/spec/services/reblog_service_spec.rb
index 58fb46f0ff..e2077f282a 100644
--- a/spec/services/reblog_service_spec.rb
+++ b/spec/services/reblog_service_spec.rb
@@ -32,22 +32,6 @@ RSpec.describe ReblogService, type: :service do
     end
   end
 
-  context 'OStatus' do
-    let(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com') }
-    let(:status) { Fabricate(:status, account: bob, uri: 'tag:example.com;something:something') }
-
-    subject { ReblogService.new }
-
-    before do
-      stub_request(:post, 'http://salmon.example.com')
-      subject.call(alice, status)
-    end
-
-    it 'creates a reblog' do
-      expect(status.reblogs.count).to eq 1
-    end
-  end
-
   context 'ActivityPub' do
     let(:bob)    { Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
     let(:status) { Fabricate(:status, account: bob) }
diff --git a/spec/services/reject_follow_service_spec.rb b/spec/services/reject_follow_service_spec.rb
index 1aec060db7..732cb07f7b 100644
--- a/spec/services/reject_follow_service_spec.rb
+++ b/spec/services/reject_follow_service_spec.rb
@@ -22,24 +22,6 @@ RSpec.describe RejectFollowService, type: :service do
     end
   end
 
-  describe 'remote OStatus' do
-    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
-
-    before do
-      FollowRequest.create(account: bob, target_account: sender)
-      stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
-      subject.call(bob, sender)
-    end
-
-    it 'removes follow request' do
-      expect(bob.requested?(sender)).to be false
-    end
-
-    it 'does not create follow relation' do
-      expect(bob.following?(sender)).to be false
-    end
-  end
-
   describe 'remote ActivityPub' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', protocol: :activitypub, inbox_url: 'http://example.com/inbox')).account }
 
diff --git a/spec/services/remove_status_service_spec.rb b/spec/services/remove_status_service_spec.rb
index 7ce75b2c72..21fb0cd353 100644
--- a/spec/services/remove_status_service_spec.rb
+++ b/spec/services/remove_status_service_spec.rb
@@ -4,7 +4,7 @@ RSpec.describe RemoveStatusService, type: :service do
   subject { RemoveStatusService.new }
 
   let!(:alice)  { Fabricate(:account, user: Fabricate(:user)) }
-  let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://example.com/salmon') }
+  let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com') }
   let!(:jeff)   { Fabricate(:account) }
   let!(:hank)   { Fabricate(:account, username: 'hank', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
   let!(:bill)   { Fabricate(:account, username: 'bill', protocol: :activitypub, domain: 'example2.com', inbox_url: 'http://example2.com/inbox') }
diff --git a/spec/services/unblock_service_spec.rb b/spec/services/unblock_service_spec.rb
index 6350c68344..c43ab24b03 100644
--- a/spec/services/unblock_service_spec.rb
+++ b/spec/services/unblock_service_spec.rb
@@ -18,20 +18,6 @@ RSpec.describe UnblockService, type: :service do
     end
   end
 
-  describe 'remote OStatus' do
-    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
-
-    before do
-      sender.block!(bob)
-      stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
-      subject.call(sender, bob)
-    end
-
-    it 'destroys the blocking relation' do
-      expect(sender.blocking?(bob)).to be false
-    end
-  end
-
   describe 'remote ActivityPub' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
 
diff --git a/spec/services/unfollow_service_spec.rb b/spec/services/unfollow_service_spec.rb
index 84b5dafbc4..7f0b575e4d 100644
--- a/spec/services/unfollow_service_spec.rb
+++ b/spec/services/unfollow_service_spec.rb
@@ -18,20 +18,6 @@ RSpec.describe UnfollowService, type: :service do
     end
   end
 
-  describe 'remote OStatus' do
-    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
-
-    before do
-      sender.follow!(bob)
-      stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
-      subject.call(sender, bob)
-    end
-
-    it 'destroys the following relation' do
-      expect(sender.following?(bob)).to be false
-    end
-  end
-
   describe 'remote ActivityPub' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }