diff --git a/smack-core/src/main/java/org/jivesoftware/smack/util/stringencoder/Base64.java b/smack-core/src/main/java/org/jivesoftware/smack/util/stringencoder/Base64.java
index e98e84197..fb6ae327b 100644
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/stringencoder/Base64.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/stringencoder/Base64.java
@@ -54,10 +54,6 @@ public class Base64 {
         return base64encoder.encode(input);
     }
 
-    public static final byte[] encode(byte[] input, int offset, int len) {
-        return encode(slice(input, offset, len));
-    }
-
     public static final String decodeToString(String string) {
         byte[] bytes = decode(string);
         try {