diff --git a/src/test/java/org/apache/commons/csv/perf/PerformanceTest.java b/src/test/java/org/apache/commons/csv/perf/PerformanceTest.java
index 23bded2b..6c55d21e 100644
--- a/src/test/java/org/apache/commons/csv/perf/PerformanceTest.java
+++ b/src/test/java/org/apache/commons/csv/perf/PerformanceTest.java
@@ -41,7 +41,6 @@ import org.junit.jupiter.api.Test;
  *
  * To run this test, use: mvn test -Dtest=PerformanceTest
  */
-@SuppressWarnings("boxing") // test code
 public class PerformanceTest {
 
     private static final String TEST_RESRC = "org/apache/commons/csv/perf/worldcitiespop.txt.gz";