diff --git a/gradle.properties b/gradle.properties
index a52943c..53eb693 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 group = org.threadly
 version = 4.13
-threadlyVersion = 5.41
+threadlyVersion = 5.42
diff --git a/src/main/java/org/threadly/litesockets/buffers/AbstractMergedByteBuffers.java b/src/main/java/org/threadly/litesockets/buffers/AbstractMergedByteBuffers.java
index bbacae3..75978ba 100644
--- a/src/main/java/org/threadly/litesockets/buffers/AbstractMergedByteBuffers.java
+++ b/src/main/java/org/threadly/litesockets/buffers/AbstractMergedByteBuffers.java
@@ -31,7 +31,6 @@ public AbstractMergedByteBuffers(boolean readOnly) {
   }
   
   protected abstract void doAppend(final ByteBuffer bb);
-  protected abstract void addToFront(final ByteBuffer bb);
   protected abstract byte get(int pos);
   public abstract AbstractMergedByteBuffers duplicate();
   public abstract AbstractMergedByteBuffers duplicateAndClean();
@@ -58,9 +57,7 @@ public void add(final byte[] ...bas) {
   @Override
   public void add(final ByteBuffer ...buffers) {
     for(ByteBuffer buffer: buffers) {
-      if(buffer.hasRemaining()) {
-        doAppend(buffer.duplicate());
-      }
+      doAppend(buffer);
     }
   }
 
@@ -68,10 +65,7 @@ public void add(final ByteBuffer ...buffers) {
   public void add(final MergedByteBuffers ...mbbs) {
     for(MergedByteBuffers mbb: mbbs) {
       while(mbb.hasRemaining()) {
-        ByteBuffer bb = mbb.popBuffer();
-        if(bb.hasRemaining()) {
-          doAppend(bb);
-        }
+        doAppend(mbb.popBuffer());
       }
     }
   }
diff --git a/src/main/java/org/threadly/litesockets/buffers/ReuseableMergedByteBuffers.java b/src/main/java/org/threadly/litesockets/buffers/ReuseableMergedByteBuffers.java
index 37c13f9..9474c2a 100644
--- a/src/main/java/org/threadly/litesockets/buffers/ReuseableMergedByteBuffers.java
+++ b/src/main/java/org/threadly/litesockets/buffers/ReuseableMergedByteBuffers.java
@@ -39,15 +39,17 @@ public ReuseableMergedByteBuffers(boolean readOnly, ByteBuffer ...bbs) {
   
   @Override
   protected void doAppend(final ByteBuffer bb) {
-    availableBuffers.add(bb);
-    currentSize+=bb.remaining();
+    if (bb.hasRemaining()) {
+      availableBuffers.add(bb.duplicate());
+      currentSize+=bb.remaining();
+    }
   }
 
   @Override
   public ReuseableMergedByteBuffers duplicate() {
     final ReuseableMergedByteBuffers mbb  = new ReuseableMergedByteBuffers(markReadOnly);
     for(final ByteBuffer bb: this.availableBuffers) {
-      mbb.add(bb.duplicate());
+      mbb.doAppend(bb);
     }
     return mbb;
   }
@@ -59,12 +61,6 @@ public ReuseableMergedByteBuffers duplicateAndClean() {
     return mbb;
   }
 
-  @Override
-  protected void addToFront(ByteBuffer bb) {
-    this.availableBuffers.addFirst(bb.duplicate());
-    this.currentSize+=bb.remaining();
-  }
-
   @Override
   public int remaining() {
     return currentSize;
diff --git a/src/main/java/org/threadly/litesockets/buffers/SimpleMergedByteBuffers.java b/src/main/java/org/threadly/litesockets/buffers/SimpleMergedByteBuffers.java
index 4a5749a..d07d074 100644
--- a/src/main/java/org/threadly/litesockets/buffers/SimpleMergedByteBuffers.java
+++ b/src/main/java/org/threadly/litesockets/buffers/SimpleMergedByteBuffers.java
@@ -14,17 +14,18 @@
 public class SimpleMergedByteBuffers extends AbstractMergedByteBuffers {
   private static final ByteBuffer[] EMPTY_BUFFER_ARRAY = new ByteBuffer[] {};
   
-  
   private final ByteBuffer[] bba;
   private int currentBuffer = 0;
   protected long consumedSize = 0;
   
   public SimpleMergedByteBuffers(boolean readOnly, ByteBuffer ...bbs) {
     super(readOnly);
-    for(ByteBuffer bb: bbs) {
-      if(bb == null) {
+    
+    for (int i = 0; i < bbs.length; i++) {
+      if(bbs[i] == null) {
         throw new IllegalArgumentException("Can not add null buffers!");
       }
+      bbs[i] = bbs[i].duplicate();
     }
     if(bbs.length > 0) {
       bba = bbs;
@@ -50,10 +51,6 @@ public SimpleMergedByteBuffers(boolean readOnly, SimpleMergedByteBuffers smbb, B
     }
   }
   
-  private void doGet(final byte[] destBytes) {
-    doGet(destBytes, 0, destBytes.length);
-  }
-  
   private void doGet(final byte[] destBytes, int start, int len) {
     int remainingToCopy = len;
 
@@ -79,16 +76,11 @@ protected void doAppend(ByteBuffer bb) {
     throw new UnsupportedOperationException("Can not add to this buffer!");
   }
 
-  @Override
-  protected void addToFront(ByteBuffer bb) {
-    throw new UnsupportedOperationException("Can not add to this buffer!");
-  }
-
   @Override
   public SimpleMergedByteBuffers duplicate() {
     ByteBuffer[] bba2 = new ByteBuffer[bba.length-currentBuffer];
     for(int i=currentBuffer; i<bba.length; i++) {
-      bba2[i-currentBuffer] = bba[i].duplicate();
+      bba2[i-currentBuffer] = bba[i];
     }
     return new SimpleMergedByteBuffers(markReadOnly, bba2);
   }
@@ -97,7 +89,7 @@ public SimpleMergedByteBuffers duplicate() {
   public SimpleMergedByteBuffers duplicateAndClean() {
     SimpleMergedByteBuffers smbb = duplicate();
     currentBuffer = bba.length;
-    for(int i=0; i<bba.length; i++) {
+    for(int i=currentBuffer; i<bba.length; i++) {
       bba[i] = null;
     }
     return smbb;
@@ -170,7 +162,7 @@ public ByteBuffer pullBuffer(int size) {
     final ByteBuffer first = getNextBuffer();
     if(first.remaining() == size) {
       currentBuffer++;
-      return first.duplicate();
+      return first;
     } else if(first.remaining() > size) {
       final ByteBuffer bb = first.duplicate();
       bb.limit(bb.position()+size);
@@ -178,7 +170,7 @@ public ByteBuffer pullBuffer(int size) {
       return bb;
     } else {
       final byte[] result = new byte[size];
-      doGet(result);
+      doGet(result, 0, size);
       return ByteBuffer.wrap(result);
     }
   }