--- a/jaxb-api-test/src/test/java/javax/xml/bind/test/JAXBContextTest.java
+++ b/jaxb-api-test/src/test/java/javax/xml/bind/test/JAXBContextTest.java
@@ -265,7 +265,6 @@ public class JAXBContextTest {
     private void enableSM() {
         System.setSecurityManager(null);
         System.setProperty("java.security.policy", classesDir + "javax/xml/bind/test.policy");
-        System.setSecurityManager(new SecurityManager());
     }
 
     private void cleanResource(Path resource) {