diff --git a/app/services/projects/create_service.rb b/app/services/projects/create_service.rb
index 0d6066b70c7..68e592d79c3 100644
--- a/app/services/projects/create_service.rb
+++ b/app/services/projects/create_service.rb
@@ -112,8 +112,7 @@ module Projects
       if group || @project.gitlab_project_import?
         current_user.refresh_authorized_projects
       else
-        owners = [current_user, @project.namespace.owner].compact.uniq
-        @project.add_master(owners, current_user: current_user)
+        @project.add_master(@project.namespace.owner, current_user: current_user)
       end
     end
 
diff --git a/spec/services/projects/create_service_spec.rb b/spec/services/projects/create_service_spec.rb
index b0dc7488b5f..088b7b4fc04 100644
--- a/spec/services/projects/create_service_spec.rb
+++ b/spec/services/projects/create_service_spec.rb
@@ -38,7 +38,7 @@ describe Projects::CreateService, '#execute' do
 
       expect(project).to be_persisted
       expect(project.owner).to eq(user)
-      expect(project.team.masters).to include(user, admin)
+      expect(project.team.masters).to contain_exactly(user)
       expect(project.namespace).to eq(user.namespace)
     end
   end