diff --git a/config/feature_flags/development/import_relation_object_persistence.yml b/config/feature_flags/development/import_relation_object_persistence.yml
deleted file mode 100644
index e182ea31a72..00000000000
--- a/config/feature_flags/development/import_relation_object_persistence.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: import_relation_object_persistence
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79963
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/354497
-milestone: '14.9'
-type: development
-group: group::import
-default_enabled: false
diff --git a/lib/gitlab/import_export/group/relation_tree_restorer.rb b/lib/gitlab/import_export/group/relation_tree_restorer.rb
index 4b28dd831fc..fab677bd772 100644
--- a/lib/gitlab/import_export/group/relation_tree_restorer.rb
+++ b/lib/gitlab/import_export/group/relation_tree_restorer.rb
@@ -89,7 +89,7 @@ module Gitlab
         end
 
         def save_relation_object(relation_object, relation_key, relation_definition, relation_index)
-          if Feature.enabled?(:import_relation_object_persistence) && relation_object.new_record?
+          if relation_object.new_record?
             Gitlab::ImportExport::Base::RelationObjectSaver.new(
               relation_object: relation_object,
               relation_key: relation_key,
diff --git a/spec/lib/gitlab/import_export/group/tree_restorer_spec.rb b/spec/lib/gitlab/import_export/group/tree_restorer_spec.rb
index 9b01005c2e9..89ae869ae86 100644
--- a/spec/lib/gitlab/import_export/group/tree_restorer_spec.rb
+++ b/spec/lib/gitlab/import_export/group/tree_restorer_spec.rb
@@ -204,19 +204,5 @@ RSpec.describe Gitlab::ImportExport::Group::TreeRestorer do
     end
   end
 
-  context 'when import_relation_object_persistence feature flag is enabled' do
-    before do
-      stub_feature_flags(import_relation_object_persistence: true)
-    end
-
-    include_examples 'group restoration'
-  end
-
-  context 'when import_relation_object_persistence feature flag is disabled' do
-    before do
-      stub_feature_flags(import_relation_object_persistence: false)
-    end
-
-    include_examples 'group restoration'
-  end
+  include_examples 'group restoration'
 end
diff --git a/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb b/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb
index 5ede3597643..a5e8a9cb58a 100644
--- a/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb
+++ b/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb
@@ -1085,35 +1085,13 @@ RSpec.describe Gitlab::ImportExport::Project::TreeRestorer do
     end
   end
 
-  context 'when import_relation_object_persistence feature flag is enabled' do
-    before do
-      stub_feature_flags(import_relation_object_persistence: true)
-    end
+  context 'enable ndjson import' do
+    it_behaves_like 'project tree restorer work properly', :legacy_reader, true
 
-    context 'enable ndjson import' do
-      it_behaves_like 'project tree restorer work properly', :legacy_reader, true
-
-      it_behaves_like 'project tree restorer work properly', :ndjson_reader, true
-    end
-
-    context 'disable ndjson import' do
-      it_behaves_like 'project tree restorer work properly', :legacy_reader, false
-    end
+    it_behaves_like 'project tree restorer work properly', :ndjson_reader, true
   end
 
-  context 'when import_relation_object_persistence feature flag is disabled' do
-    before do
-      stub_feature_flags(import_relation_object_persistence: false)
-    end
-
-    context 'enable ndjson import' do
-      it_behaves_like 'project tree restorer work properly', :legacy_reader, true
-
-      it_behaves_like 'project tree restorer work properly', :ndjson_reader, true
-    end
-
-    context 'disable ndjson import' do
-      it_behaves_like 'project tree restorer work properly', :legacy_reader, false
-    end
+  context 'disable ndjson import' do
+    it_behaves_like 'project tree restorer work properly', :legacy_reader, false
   end
 end