diff --git a/ee/config/feature_flags/gitlab_com_derisk/users_search_scoped_to_authorized_namespaces_advanced_search.yml b/ee/config/feature_flags/gitlab_com_derisk/users_search_scoped_to_authorized_namespaces_advanced_search.yml
deleted file mode 100644
index bb2b39e515b9bbd45ffdd9f4d25876725de3b529..0000000000000000000000000000000000000000
--- a/ee/config/feature_flags/gitlab_com_derisk/users_search_scoped_to_authorized_namespaces_advanced_search.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-name: users_search_scoped_to_authorized_namespaces_advanced_search
-feature_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/442091
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/182277
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/521581
-milestone: '17.10'
-group: group::global search
-type: gitlab_com_derisk
-default_enabled: false
diff --git a/ee/lib/elastic/latest/user_class_proxy.rb b/ee/lib/elastic/latest/user_class_proxy.rb
index 6b4129aedb50aaed40ffad027408c7561f25034e..750b871bb65905540334992908066a0b61dd0d42 100644
--- a/ee/lib/elastic/latest/user_class_proxy.rb
+++ b/ee/lib/elastic/latest/user_class_proxy.rb
@@ -103,7 +103,6 @@ def current_user_authorization_filters(query_hash, options)
         return query_hash unless user
         return query_hash if options[:project_id].present? || options[:group_id].present?
         return query_hash unless options[:autocomplete]
-        return query_hash unless Feature.enabled?(:users_search_scoped_to_authorized_namespaces_advanced_search, user)
 
         authorized_groups = ::Search::GroupsFinder.new(user: user).execute
         group_authorized_traversal_ids = ::Namespaces::Traversal::TrieNode.build(authorized_groups.map(&:traversal_ids))
diff --git a/ee/spec/lib/elastic/latest/user_class_proxy_spec.rb b/ee/spec/lib/elastic/latest/user_class_proxy_spec.rb
index 192c7ff7c5b189565446097105cc567dca639462..a02aded1e036d366ddf9d1c6ffbb8cabd3e66dd9 100644
--- a/ee/spec/lib/elastic/latest/user_class_proxy_spec.rb
+++ b/ee/spec/lib/elastic/latest/user_class_proxy_spec.rb
@@ -371,16 +371,6 @@
           expect(query_hash).to eq(original_query_hash)
         end
       end
-
-      context 'when users_search_scoped_to_authorized_namespaces_advanced_search flag is disabled' do
-        before do
-          stub_feature_flags(users_search_scoped_to_authorized_namespaces_advanced_search: false)
-        end
-
-        it 'returns query_hash as is' do
-          expect(query_hash).to eq(original_query_hash)
-        end
-      end
     end
   end