diff --git a/server/tidb_serial_test.go b/server/tidb_serial_test.go
index 0431baa32fa8f..b5f2483584052 100644
--- a/server/tidb_serial_test.go
+++ b/server/tidb_serial_test.go
@@ -11,6 +11,8 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+//go:build !race
+// +build !race
 
 package server