diff --git a/chain/blockmsg.go b/chain/blockmsg.go
new file mode 100644
index 000000000..22afced32
--- /dev/null
+++ b/chain/blockmsg.go
@@ -0,0 +1,36 @@
+package chain
+
+import (
+	"bytes"
+
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/go-lotus/chain/types"
+)
+
+type BlockMsg struct {
+	Header        *types.BlockHeader
+	BlsMessages   []cid.Cid
+	SecpkMessages []cid.Cid
+}
+
+func DecodeBlockMsg(b []byte) (*BlockMsg, error) {
+	var bm BlockMsg
+	if err := bm.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, err
+	}
+
+	return &bm, nil
+}
+
+func (bm *BlockMsg) Cid() cid.Cid {
+	return bm.Header.Cid()
+}
+
+func (bm *BlockMsg) Serialize() ([]byte, error) {
+	buf := new(bytes.Buffer)
+	if err := bm.MarshalCBOR(buf); err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}
diff --git a/chain/types.go b/chain/types.go
deleted file mode 100644
index 953221aef..000000000
--- a/chain/types.go
+++ /dev/null
@@ -1,158 +0,0 @@
-package chain
-
-import (
-	"bytes"
-
-	"github.com/ipfs/go-cid"
-	cbor "github.com/ipfs/go-ipld-cbor"
-
-	"github.com/filecoin-project/go-lotus/chain/types"
-)
-
-func init() {
-	//ipld.Register(0x1f, IpldDecode)
-
-	cbor.RegisterCborType(BlockMsg{})
-}
-
-/*
-func IpldDecode(block block.Block) (ipld.Node, error) {
-	var i interface{}
-	if err := cbor.DecodeInto(block.RawData(), &i); err != nil {
-		panic(err)
-	}
-
-	fmt.Println("IPLD DECODE!")
-	return &filecoinIpldNode{i}, nil
-}
-
-type filecoinIpldNode struct {
-	val interface{}
-}
-
-func (f *filecoinIpldNode) Cid() cid.Cid {
-	switch t := f.val.(type) {
-	case types.BlockHeader:
-		return t.Cid()
-	case types.SignedMessage:
-		return t.Cid()
-	default:
-		fmt.Printf("bad type: %T\n", f.val)
-		fmt.Printf("what even is this: %#v\n", f.val)
-		panic("whats going on")
-	}
-}
-
-func (f *filecoinIpldNode) Copy() ipld.Node {
-	panic("no")
-}
-
-func (f *filecoinIpldNode) Links() []*ipld.Link {
-	switch t := f.val.(type) {
-	case types.BlockHeader:
-		fmt.Println("block links!", t.StateRoot)
-		return []*ipld.Link{
-			{
-				Cid: t.StateRoot,
-			},
-			{
-				Cid: t.Messages,
-			},
-			{
-				Cid: t.MessageReceipts,
-			},
-		}
-	case types.Message:
-		return nil
-	default:
-		panic("whats going on")
-	}
-
-}
-
-func (f *filecoinIpldNode) Resolve(path []string) (interface{}, []string, error) {
-	//
-		//switch t := f.val.(type) {
-		//case Block:
-			//switch path[0] {
-			//}
-		//case Message:
-		//default:
-			//panic("whats going on")
-		//}
-	panic("please dont call this")
-}
-
-// Tree lists all paths within the object under 'path', and up to the given depth.
-// To list the entire object (similar to `find .`) pass "" and -1
-func (f *filecoinIpldNode) Tree(path string, depth int) []string {
-	panic("dont call this either")
-}
-
-func (f *filecoinIpldNode) ResolveLink(path []string) (*ipld.Link, []string, error) {
-	panic("please no")
-}
-
-func (f *filecoinIpldNode) Stat() (*ipld.NodeStat, error) {
-	panic("dont call this")
-
-}
-
-func (f *filecoinIpldNode) Size() (uint64, error) {
-	panic("dont call this")
-}
-
-func (f *filecoinIpldNode) Loggable() map[string]interface{} {
-	return nil
-}
-
-func (f *filecoinIpldNode) RawData() []byte {
-	switch t := f.val.(type) {
-	case types.BlockHeader:
-		sb, err := t.ToStorageBlock()
-		if err != nil {
-			panic(err)
-		}
-		return sb.RawData()
-	case types.SignedMessage:
-		sb, err := t.ToStorageBlock()
-		if err != nil {
-			panic(err)
-		}
-		return sb.RawData()
-	default:
-		panic("whats going on")
-	}
-}
-
-func (f *filecoinIpldNode) String() string {
-	return "cats"
-}
-*/
-
-type BlockMsg struct {
-	Header        *types.BlockHeader
-	BlsMessages   []cid.Cid
-	SecpkMessages []cid.Cid
-}
-
-func DecodeBlockMsg(b []byte) (*BlockMsg, error) {
-	var bm BlockMsg
-	if err := bm.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
-		return nil, err
-	}
-
-	return &bm, nil
-}
-
-func (bm *BlockMsg) Cid() cid.Cid {
-	return bm.Header.Cid()
-}
-
-func (bm *BlockMsg) Serialize() ([]byte, error) {
-	buf := new(bytes.Buffer)
-	if err := bm.MarshalCBOR(buf); err != nil {
-		return nil, err
-	}
-	return buf.Bytes(), nil
-}
diff --git a/chain/types/blockheader.go b/chain/types/blockheader.go
index b4d369498..0b585a3d8 100644
--- a/chain/types/blockheader.go
+++ b/chain/types/blockheader.go
@@ -110,38 +110,3 @@ func (mm *MsgMeta) ToStorageBlock() (block.Block, error) {
 
 	return block.NewBlockWithCid(buf.Bytes(), c)
 }
-
-/*
-func (blk *BlockHeader) MarshalCBOR(w io.Writer) error {
-	panic("no")
-}
-
-func (blk *BlockHeader) UnmarshalCBOR(r io.Reader) error {
-	panic("no")
-}
-
-func (blk *Message) MarshalCBOR(w io.Writer) error {
-	panic("no")
-}
-
-func (blk *Message) UnmarshalCBOR(r io.Reader) error {
-	panic("no")
-}
-
-func (blk *SignedMessage) MarshalCBOR(w io.Writer) error {
-	panic("no")
-}
-
-func (blk *SignedMessage) UnmarshalCBOR(r io.Reader) error {
-	panic("no")
-}
-
-func (blk *MsgMeta) MarshalCBOR(w io.Writer) error {
-	panic("no")
-}
-
-func (blk *MsgMeta) UnmarshalCBOR(r io.Reader) error {
-	panic("no")
-}
-
-//*/