diff --git a/core/crdt/composite.go b/core/crdt/composite.go
index 837ee7de64..548ca3f1b9 100644
--- a/core/crdt/composite.go
+++ b/core/crdt/composite.go
@@ -133,6 +133,7 @@ func (c CompositeDAG) DeltaDecode(node ipld.Node) (core.Delta, error) {
 		return nil, errors.New("Failed to cast ipld.Node to ProtoNode")
 	}
 	data := pbNode.Data()
+	// fmt.Println(data)
 	h := &codec.CborHandle{}
 	dec := codec.NewDecoderBytes(data, h)
 	err := dec.Decode(delta)
diff --git a/core/crdt/lwwreg.go b/core/crdt/lwwreg.go
index d90b0b1f42..d7877c4f1d 100644
--- a/core/crdt/lwwreg.go
+++ b/core/crdt/lwwreg.go
@@ -180,6 +180,7 @@ func (reg LWWRegister) DeltaDecode(node ipld.Node) (core.Delta, error) {
 		return nil, errors.New("Failed to cast ipld.Node to ProtoNode")
 	}
 	data := pbNode.Data()
+	// fmt.Println(data)
 	h := &codec.CborHandle{}
 	dec := codec.NewDecoderBytes(data, h)
 	err := dec.Decode(delta)
diff --git a/core/crdt/lwwreg_test.go b/core/crdt/lwwreg_test.go
index fc7ee159d4..24c8c8818c 100644
--- a/core/crdt/lwwreg_test.go
+++ b/core/crdt/lwwreg_test.go
@@ -157,6 +157,8 @@ func TestLWWRegisterDeltaMarshal(t *testing.T) {
 		return
 	}
 
+	// fmt.Println(bytes)
+
 	h := &codec.CborHandle{}
 	dec := codec.NewDecoderBytes(bytes, h)
 	unmarshaledDelta := &LWWRegDelta{}
@@ -185,7 +187,8 @@ func makeNode(delta core.Delta, heads []cid.Cid) (ipld.Node, error) {
 			return nil, err
 		}
 	}
-
+	// data = []byte("test")
+	// fmt.Println("PRE", data)
 	nd := dag.NodeWithData(data)
 	// The cid builder defaults to v0, we want to be using v1 CIDs
 	nd.SetCidBuilder(
@@ -201,7 +204,8 @@ func makeNode(delta core.Delta, heads []cid.Cid) (ipld.Node, error) {
 			return nil, err
 		}
 	}
-
+	// data2 := nd.Data()
+	// fmt.Println("POST", data2)
 	return nd, nil
 }
 
diff --git a/core/key.go b/core/key.go
index 08cbde06fa..909838d636 100644
--- a/core/key.go
+++ b/core/key.go
@@ -59,6 +59,7 @@ func (k Key) PrefixEnd() Key {
 // An error is returned if it can't correct convert the
 // field to a uint32.
 func (k Key) FieldID() (uint32, error) {
+	// fmt.Println(k.String())
 	fieldIDStr := k.Type()
 	fieldID, err := strconv.Atoi(fieldIDStr)
 	if err != nil {
diff --git a/document/document.go b/document/document.go
index 8db8a3c791..e7d5d0e8b9 100644
--- a/document/document.go
+++ b/document/document.go
@@ -141,6 +141,7 @@ func NewFromMap(data map[string]interface{}, schema ...base.SchemaDescription) (
 		if err != nil {
 			return nil, err
 		}
+		// fmt.Println(c)
 		doc.key = key.NewDocKeyV0(c)
 	}
 
@@ -229,7 +230,8 @@ func (doc *Document) SetWithJSON(patch []byte) error {
 	}
 
 	for k, v := range patchObj {
-		if v == nil {
+		fmt.Println(k, v)
+		if v == nil { // needs deletion
 			err = doc.Delete(k)
 		} else {
 			err = doc.Set(k, v)