diff --git a/spec/factories/notifications.rb b/spec/factories/notifications.rb
index 9df711663..9776c1f97 100644
--- a/spec/factories/notifications.rb
+++ b/spec/factories/notifications.rb
@@ -2,11 +2,8 @@
 
 FactoryBot.define do
   factory :notification do
-    title do
-      '<i>Admin</i> was added as Owner to project ' \
-          '<strong>Demo project - qPCR</strong> by <i>User</i>.'
-    end
-    message { 'Project: <a href=\"/projects/3\"> Demo project - qPCR</a>' }
-    type_of { 'assignment' }
+    recipient_type { 'User' }
+    recipient_id { 1 }
+    read_at { Time.now }
   end
 end
diff --git a/spec/factories/user_notifications.rb b/spec/factories/user_notifications.rb
deleted file mode 100644
index 4e2f98e09..000000000
--- a/spec/factories/user_notifications.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-FactoryBot.define do
-  factory :user_notification do
-    checked { false }
-  end
-end
diff --git a/spec/models/notification_spec.rb b/spec/models/notification_spec.rb
index a37c941ce..b1d6afbd7 100644
--- a/spec/models/notification_spec.rb
+++ b/spec/models/notification_spec.rb
@@ -15,17 +15,11 @@ describe Notification, type: :model do
 
   describe 'Database table' do
     it { should have_db_column :id }
-    it { should have_db_column :title }
-    it { should have_db_column :message }
-    it { should have_db_column :type_of }
-    it { should have_db_column :generator_user_id }
     it { should have_db_column :created_at }
     it { should have_db_column :updated_at }
   end
 
   describe 'Relations' do
-    it { should belong_to(:generator_user).class_name('User').optional }
-    it { should have_many :users }
-    it { should have_many :user_notifications }
+    it { should belong_to(:recipient) }
   end
 end
diff --git a/spec/models/user_notification_spec.rb b/spec/models/user_notification_spec.rb
deleted file mode 100644
index 11a277d3c..000000000
--- a/spec/models/user_notification_spec.rb
+++ /dev/null
@@ -1,50 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe UserNotification, type: :model do
-  let(:user) { create :user }
-  let(:user_notification) { build :user_notification }
-
-  it 'is valid' do
-    expect(user_notification).to be_valid
-  end
-
-  it 'should be of class UserNotification' do
-    expect(subject.class).to eq UserNotification
-  end
-
-  describe 'Database table' do
-    it { should have_db_column :user_id }
-    it { should have_db_column :notification_id }
-    it { should have_db_column :checked }
-    it { should have_db_column :created_at }
-    it { should have_db_column :updated_at }
-  end
-
-  describe 'Relations' do
-    it { should belong_to(:user).optional }
-    it { should belong_to(:notification).optional }
-  end
-
-  describe '#unseen_notification_count ' do
-    let(:notifcation) { create :notification }
-    it 'returns a number of unseen notifications' do
-      create :user_notification, user: user, notification: notifcation
-      expect(UserNotification.unseen_notification_count(user)).to eq 1
-    end
-  end
-
-  describe '#seen_by_user' do
-    let!(:notification) { create :notification }
-    let!(:user_notification_one) do
-      create :user_notification, user: user, notification: notification
-    end
-
-    it 'set the check status to false' do
-      expect do
-        UserNotification.seen_by_user(user)
-      end.to change { user_notification_one.reload.checked }.from(false).to(true)
-    end
-  end
-end