diff --git a/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java b/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java
index 5842a2042c..8c53613d5a 100644
--- a/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java
+++ b/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/MySampleGUIAppnUnitTest.java
@@ -9,7 +9,7 @@ class MySampleGUIAppnUnitTest {
     @Test
     void testMain() throws IOException {
         System.setProperty("java.awt.headless", "true");
-        MySampleGUIAppn instance = new MySampleGUIAppn();
+        //MySampleGUIAppn instance = new MySampleGUIAppn();
         String [] args = null;
         System.exit(0);
         MySampleGUIAppn.main(args);