Variables will be never used

core/src/main/java/org/keycloak/util/Encode.java

@@ -221,7 +221,6 @@ public class Encode
    private static String decodeBytes(String enc, CharsetDecoder decoder)
    {
       Matcher matcher = encodedChars.matcher(enc);
-      StringBuffer buf = new StringBuffer();
       ByteBuffer bytes = ByteBuffer.allocate(enc.length() / 3);
       while (matcher.find())
       {

core/src/main/java/org/keycloak/util/KeycloakUriBuilder.java

@@ -149,7 +149,6 @@ public class KeycloakUriBuilder {
             Matcher hostPortMatch = hostPortPattern.matcher(host);
             if (hostPortMatch.matches()) {
                 this.host = hostPortMatch.group(1);
-                int val = 0;
                 try {
                     this.port = Integer.parseInt(hostPortMatch.group(2));
                 } catch (NumberFormatException e) {