diff --git a/src/main/java/nl/sander/beejava/constantpool/ConstantPool.java b/src/main/java/nl/sander/beejava/constantpool/ConstantPool.java
index f8a29bb..5263ad2 100644
--- a/src/main/java/nl/sander/beejava/constantpool/ConstantPool.java
+++ b/src/main/java/nl/sander/beejava/constantpool/ConstantPool.java
@@ -7,15 +7,6 @@ import java.util.ArrayList;
 
 public class ConstantPool extends ArrayList<ConstantPoolEntry>{
 
-    public int getIndex(ConstantPoolEntry entry) {
-        for (int i = 0; i < size(); i++) {
-            if (get(i) == entry) {
-                return i + 1;
-            }
-        }
-        return -1;
-    }
-
     public byte[] getBytes() {
         ByteBuf bytes = new ByteBuf();
         forEach(entry -> bytes.addU8(entry.getBytes()));
@@ -23,7 +14,10 @@ public class ConstantPool extends ArrayList<ConstantPoolEntry>{
     }
 
     /**
-     * get the length +1
+     * get the length for constant_pool_count in the class file
+     *
+     * 4.1. The ClassFile Structure
+     * The value of the constant_pool_count item is equal to the number of entries in the constant_pool table plus one
      */
     public int getLength() {
         return size() + 1;
diff --git a/src/main/java/nl/sander/beejava/util/ByteBuf.java b/src/main/java/nl/sander/beejava/util/ByteBuf.java
index 1dd34ca..1f3d606 100644
--- a/src/main/java/nl/sander/beejava/util/ByteBuf.java
+++ b/src/main/java/nl/sander/beejava/util/ByteBuf.java
@@ -18,37 +18,6 @@ public class ByteBuf {
         data = ByteBuffer.allocate(initialSize);
     }
 
-    public String toString() {
-        return toString(StandardCharsets.UTF_8);
-    }
-
-    public String toString(Charset charset) {
-        data.flip();
-
-        CharsetDecoder decoder = charset.newDecoder(); // decode is not threadsafe, might put it in threadlocal
-        // but I don't think this (newDecoder()+config) is expensive
-
-        decoder.onMalformedInput(CodingErrorAction.REPLACE)
-                .onUnmappableCharacter(CodingErrorAction.REPLACE);
-
-        try {
-            return decoder.decode(data).toString();
-        } catch (CharacterCodingException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    public void clear() {
-        data.clear();
-    }
-
-    public void addU8(final byte c) {
-        if (data.remaining() == 0) {
-            enlarge(1);
-        }
-        data.put(c);
-    }
-
     public void addU8(final byte[] bytes) {
         if (data.remaining() < bytes.length) {
             enlarge(bytes.length);