diff --git a/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java b/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java
index 467bb68760..1266bc8b04 100644
--- a/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java
+++ b/src/main/java/com/amazon/dlic/auth/http/jwt/HTTPJwtAuthenticator.java
@@ -69,29 +69,23 @@ public HTTPJwtAuthenticator(final Settings settings, final Path configPath) {
         requireAudience = settings.get("required_audience");
         requireIssuer = settings.get("required_issuer");
 
-        JwtParserBuilder jwtParserBuilder = KeyUtils.createJwtParserBuilderFromSigningKey(signingKey, log);
+        final JwtParserBuilder jwtParserBuilder = KeyUtils.createJwtParserBuilderFromSigningKey(signingKey, log);
         if (jwtParserBuilder == null) {
             jwtParser = null;
         } else {
             if (requireAudience != null) {
-                jwtParserBuilder = jwtParserBuilder.require("aud", requireAudience);
+                jwtParserBuilder.requireAudience(requireAudience);
             }
 
             if (requireIssuer != null) {
-                jwtParserBuilder = jwtParserBuilder.require("iss", requireIssuer);
+                jwtParserBuilder.requireIssuer(requireIssuer);
             }
 
             final SecurityManager sm = System.getSecurityManager();
             if (sm != null) {
                 sm.checkPermission(new SpecialPermission());
             }
-            JwtParserBuilder finalJwtParserBuilder = jwtParserBuilder;
-            jwtParser = AccessController.doPrivileged(new PrivilegedAction<JwtParser>() {
-                @Override
-                public JwtParser run() {
-                    return finalJwtParserBuilder.build();
-                }
-            });
+            jwtParser = AccessController.doPrivileged((PrivilegedAction<JwtParser>) jwtParserBuilder::build);
         }
     }