diff --git a/app/controllers/concerns/group_tree.rb b/app/controllers/concerns/group_tree.rb
index 35c1f358a77a5a7d39eaf24fe77d6c36478bf5c0..e02a766d2b9a6c927a7a1639b2d62505eb2a1e1e 100644
--- a/app/controllers/concerns/group_tree.rb
+++ b/app/controllers/concerns/group_tree.rb
@@ -38,13 +38,7 @@ def filtered_groups_with_ancestors(groups)
     #
     # Pagination needs to be applied before loading the ancestors to
     # make sure ancestors are not cut off by pagination.
-    filtered_groups_relation = Group.where(id: filtered_groups.select(:id))
-
-    if Feature.enabled?(:linear_group_tree_ancestor_scopes, current_user, default_enabled: :yaml)
-      filtered_groups_relation.self_and_ancestors
-    else
-      Gitlab::ObjectHierarchy.new(filtered_groups_relation).base_and_ancestors
-    end
+    Group.where(id: filtered_groups.select(:id)).self_and_ancestors
   end
   # rubocop: enable CodeReuse/ActiveRecord
 end
diff --git a/config/feature_flags/development/linear_group_tree_ancestor_scopes.yml b/config/feature_flags/development/linear_group_tree_ancestor_scopes.yml
deleted file mode 100644
index 3a195242fa1f0065ba95d0d57dec065beae6e741..0000000000000000000000000000000000000000
--- a/config/feature_flags/development/linear_group_tree_ancestor_scopes.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: linear_group_tree_ancestor_scopes
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/70503
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/341117
-milestone: '14.4'
-type: development
-group: group::access
-default_enabled: false
diff --git a/spec/controllers/concerns/group_tree_spec.rb b/spec/controllers/concerns/group_tree_spec.rb
index e808f1caa6e2db80c04528a54799ceaf3147473a..921706b2042fb6c5b2be1a7225ef5d552aae81a0 100644
--- a/spec/controllers/concerns/group_tree_spec.rb
+++ b/spec/controllers/concerns/group_tree_spec.rb
@@ -102,13 +102,5 @@ def index
     end
 
     it_behaves_like 'returns filtered groups'
-
-    context 'when feature flag :linear_group_tree_ancestor_scopes is disabled' do
-      before do
-        stub_feature_flags(linear_group_tree_ancestor_scopes: false)
-      end
-
-      it_behaves_like 'returns filtered groups'
-    end
   end
 end