diff --git a/app/models/group.rb b/app/models/group.rb
index 4b87528d6e8aef2c1d0425e2e55a85bb409d83de..15eb2ee81a64bcaf96baa5b5b6b0295f9ff0ec58 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -194,13 +194,8 @@ def preset_root_ancestor_for(groups)
     def ids_with_disabled_email(groups)
       inner_groups = Group.where('id = namespaces_with_emails_disabled.id')
 
-      inner_ancestors = if Feature.enabled?(:linear_group_ancestor_scopes, default_enabled: :yaml)
-                          inner_groups.self_and_ancestors
-                        else
-                          Gitlab::ObjectHierarchy.new(inner_groups).base_and_ancestors
-                        end
-
-      inner_query = inner_ancestors
+      inner_query = inner_groups
+        .self_and_ancestors
         .where(emails_disabled: true)
         .select('1')
         .limit(1)
diff --git a/config/feature_flags/development/linear_group_ancestor_scopes.yml b/config/feature_flags/development/linear_group_ancestor_scopes.yml
deleted file mode 100644
index f23399c1e6ff81ccb6aef97731d7e231b57ba9ea..0000000000000000000000000000000000000000
--- a/config/feature_flags/development/linear_group_ancestor_scopes.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: linear_group_ancestor_scopes
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/70495
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/341115
-milestone: '14.4'
-type: development
-group: group::access
-default_enabled: false
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index ce0442f27a35f4c83bc2dd0ef81efcf6e6cbd106..c326b2d6fcd63fe3500ebe0ee0a00aa2d4423a81 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -2648,14 +2648,6 @@ def setup_group_members(group)
     end
 
     it_behaves_like 'returns namespaces with disabled email'
-
-    context 'when feature flag :linear_group_ancestor_scopes is disabled' do
-      before do
-        stub_feature_flags(linear_group_ancestor_scopes: false)
-      end
-
-      it_behaves_like 'returns namespaces with disabled email'
-    end
   end
 
   describe '.timelogs' do