diff --git a/app/models/ability.rb b/app/models/ability.rb
index 5e4819ba..fe56cc28 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -67,7 +67,7 @@ class Ability
 
     signed_in(user) # Inherit abilities from signed user
     # User with role
-    can :manage, User if user.is_admin # ??? || (user.has_role? :organizer, :any)
+    can :manage, User if user.is_admin || (user.has_role? :organizer, :any)
     can [:new, :create], Conference if user.is_admin || (user.has_role? :organizer, :any)
     can [:index, :show, :gallery_photos], Conference
     can :manage, Conference, id: conf_ids_for_organizer
diff --git a/app/models/user.rb b/app/models/user.rb
index 745df91b..fdb3e23d 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -59,8 +59,7 @@ class User < ActiveRecord::Base
   end
 
   def setup_role
-    self.is_admin = true if User.count == 0
-    roles << Role.where(name: 'Admin') if User.count == 1
+    self.is_admin = true if User.count == 1
   end
 
   # Gets the roles of the user, groups them by role.name and returns the resource(s) of each role
diff --git a/spec/controllers/admin/conferences_controller_spec.rb b/spec/controllers/admin/conferences_controller_spec.rb
index d6a93804..249689d3 100644
--- a/spec/controllers/admin/conferences_controller_spec.rb
+++ b/spec/controllers/admin/conferences_controller_spec.rb
@@ -4,7 +4,8 @@ describe Admin::ConferenceController do
 
   # It is necessary to use bang version of let to build roles before user
   let(:conference) { create(:conference) }
-  let!(:first_user) { create(:user) }
+  let!(:deleted_user) { create(:deleted_user) }
+  let!(:admin_user) { create(:user) } # Second user. Automatically becomes admin.
   let!(:organizer_role) { create(:role, name: 'organizer', resource: conference) }
 
   let(:organizer) { create(:user, role_ids: organizer_role.id) }
diff --git a/spec/factories/users.rb b/spec/factories/users.rb
index d404aefb..e1aa7955 100644
--- a/spec/factories/users.rb
+++ b/spec/factories/users.rb
@@ -22,5 +22,9 @@ FactoryGirl.define do
     factory :organizer do
       after(:create) { |user| user.role_ids = create(:organizer_role).id }
     end
+
+    factory :deleted_user do
+      after(:create) { |user| user.email = 'deleted@localhost.osem', user.name = 'User deleted', user.biography = 'Data is no longer available for deleted user.' }
+    end
   end
 end
diff --git a/spec/models/ability_spec.rb b/spec/models/ability_spec.rb
index 161ee60e..7a5bd97f 100644
--- a/spec/models/ability_spec.rb
+++ b/spec/models/ability_spec.rb
@@ -4,7 +4,8 @@ require 'cancan/matchers'
 describe 'User' do
   describe 'Abilities' do
     subject(:ability){ Ability.new(user) }
-    let!(:first_user) { create(:user) } # automatically becomes admin
+    let!(:deleted_user) { create(:deleted_user) }
+    let!(:admin_user) { create(:user) } # Second user. Automatically becomes admin.
     let(:user){ nil }
     let(:conference_not_public) { create(:conference, splashpage: create(:splashpage, public: false)) }
     let(:conference_public) { create(:conference, splashpage: create(:splashpage, public: true)) }
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index fbae0ef3..05ccc045 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -3,8 +3,8 @@ require 'spec_helper'
 describe User do
 
   # It is necessary to use bang version of let to build roles before user
-  let!(:user_admin) { create(:user) }
-  let!(:admin) { create(:admin) }
+  let!(:deleted_user) { create(:deleted_user) }
+  let!(:admin_user) { create(:user) } # Second user. Automatically becomes admin.
   let!(:participant) { create(:user) }
   let!(:conference) { create(:conference) }
   let!(:organizer_role) { create(:organizer_role, resource: conference) }
@@ -13,7 +13,7 @@ describe User do
   let!(:user) { create(:user) }
 
   it 'returns the correct role' do
-    expect(user_admin.is_admin).to eq(true)
+    expect(admin_user.is_admin).to eq(true)
     expect(organizer.roles.first).to eq(organizer_role)
   end