diff --git a/app/controllers/api/v1/issues_controller.rb b/app/controllers/api/v1/issues_controller.rb
index fe6a767f9..3d2e40cc6 100644
--- a/app/controllers/api/v1/issues_controller.rb
+++ b/app/controllers/api/v1/issues_controller.rb
@@ -6,6 +6,7 @@ class Api::V1::IssuesController < Api::V1::BaseController
 
   load_and_authorize_resource :group, only: :group_index, find_by: :id, parent: false
   load_and_authorize_resource :project
+  skip_load_and_authorize_resource :project, only: [:all_index, :user_index, :group_index]
   load_and_authorize_resource :issue, through: :project, find_by: :serial_id, only: [:show, :update, :create, :index]
 
   def index
@@ -60,7 +61,7 @@ class Api::V1::IssuesController < Api::V1::BaseController
   private
 
   def render_issues_list
-    @issues = @issues.includes(:user, :assignee, :labels).without_pull_requests
+    @issues = @issues.preload(:user, :assignee, :labels, :project).without_pull_requests
     if params[:status] == 'closed'
       @issues = @issues.closed
     else
diff --git a/spec/controllers/api/v1/issues_controller_spec.rb b/spec/controllers/api/v1/issues_controller_spec.rb
index 6f04c973c..a70ff7873 100644
--- a/spec/controllers/api/v1/issues_controller_spec.rb
+++ b/spec/controllers/api/v1/issues_controller_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe Api::V1::IssuesController do
-  before(:all) do
+  before do
     stub_symlink_methods
     any_instance_of(Project, versions: ['v1.0', 'v2.0'])
 
@@ -213,8 +213,4 @@ describe Api::V1::IssuesController do
     end
   end
 
-  after(:all) do
-    User.destroy_all
-    Platform.destroy_all
-  end
 end