diff --git a/app/models/integrations/zentao.rb b/app/models/integrations/zentao.rb
index ab6242a649b036878db0b16c07e9cb5398d0c14a..3d6d4627d247632df0da49964e22b97e305a5a63 100644
--- a/app/models/integrations/zentao.rb
+++ b/app/models/integrations/zentao.rb
@@ -9,10 +9,6 @@ class Zentao < Integration
     validates :api_token, presence: true, if: :activated?
     validates :zentao_product_xid, presence: true, if: :activated?
 
-    def self.feature_flag_enabled?(project)
-      Feature.enabled?(:zentao_issues_integration, project)
-    end
-
     # License Level: EEP_FEATURES
     def self.issues_license_available?(project)
       project&.licensed_feature_available?(:zentao_issues_integration)
diff --git a/app/models/project.rb b/app/models/project.rb
index 031dbc3e9bbe106e04bc1edd1e2e61fd62038cc2..f2c26f918069ee9c48984d55fe8fb573109d99b6 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -1453,10 +1453,7 @@ def find_or_initialize_integrations
   end
 
   def disabled_integrations
-    disabled_integrations = []
-    disabled_integrations << :zentao unless ::Integrations::Zentao.feature_flag_enabled?(self)
-
-    disabled_integrations
+    []
   end
 
   def find_or_initialize_integration(name)
diff --git a/config/feature_flags/development/zentao_issues_integration.yml b/config/feature_flags/development/zentao_issues_integration.yml
deleted file mode 100644
index 150340874cb54aebcc87b3c2b3eee3b595516b9c..0000000000000000000000000000000000000000
--- a/config/feature_flags/development/zentao_issues_integration.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: zentao_issues_integration
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/69602
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/338775
-milestone: '14.4'
-type: development
-group: group::integrations
-default_enabled: false
diff --git a/ee/app/controllers/projects/integrations/zentao/issues_controller.rb b/ee/app/controllers/projects/integrations/zentao/issues_controller.rb
index 0d40c46f793d976d8ad92a9b7f5a4b123ee27386..c751652f7f50bb0a278f3d2dd1bfef1c62366c3d 100644
--- a/ee/app/controllers/projects/integrations/zentao/issues_controller.rb
+++ b/ee/app/controllers/projects/integrations/zentao/issues_controller.rb
@@ -34,7 +34,7 @@ def show
         private
 
         def query_params
-          params.permit(:id, :page, :limit, :search, :sort, :state, :labels)
+          params.permit(:id, :page, :limit, :search, :sort, :state, labels: [])
         end
 
         def query
@@ -53,8 +53,6 @@ def issues_json
         end
 
         def check_feature_enabled!
-          return render_404 unless ::Integrations::Zentao.feature_flag_enabled?(project)
-
           return render_404 unless ::Integrations::Zentao.issues_license_available?(project) && project.zentao_integration&.active?
         end
 
diff --git a/lib/sidebars/projects/panel.rb b/lib/sidebars/projects/panel.rb
index f37f404d03cd1324f2d29f8324500a0226823baf..374662162b5c857b19cee8f5fc2d4432e1a2f1cb 100644
--- a/lib/sidebars/projects/panel.rb
+++ b/lib/sidebars/projects/panel.rb
@@ -23,7 +23,7 @@ def add_menus
         add_menu(Sidebars::Projects::Menus::RepositoryMenu.new(context))
         add_menu(Sidebars::Projects::Menus::IssuesMenu.new(context))
         add_menu(Sidebars::Projects::Menus::ExternalIssueTrackerMenu.new(context))
-        add_menu(Sidebars::Projects::Menus::ZentaoMenu.new(context)) if ::Integrations::Zentao.feature_flag_enabled?(context.project)
+        add_menu(Sidebars::Projects::Menus::ZentaoMenu.new(context))
         add_menu(Sidebars::Projects::Menus::MergeRequestsMenu.new(context))
         add_menu(Sidebars::Projects::Menus::CiCdMenu.new(context))
         add_menu(Sidebars::Projects::Menus::SecurityComplianceMenu.new(context))