diff --git a/chain/actors/cbor_gen.go b/chain/actors/cbor_gen.go
deleted file mode 100644
index 6a6482ea1..000000000
--- a/chain/actors/cbor_gen.go
+++ /dev/null
@@ -1,151 +0,0 @@
-// Code generated by github.com/whyrusleeping/cbor-gen. DO NOT EDIT.
-
-package actors
-
-import (
-	"fmt"
-	"io"
-
-	cbg "github.com/whyrusleeping/cbor-gen"
-	xerrors "golang.org/x/xerrors"
-)
-
-var _ = xerrors.Errorf
-
-func (t *InitActorState) MarshalCBOR(w io.Writer) error {
-	if t == nil {
-		_, err := w.Write(cbg.CborNull)
-		return err
-	}
-	if _, err := w.Write([]byte{130}); err != nil {
-		return err
-	}
-
-	// t.AddressMap (cid.Cid) (struct)
-
-	if err := cbg.WriteCid(w, t.AddressMap); err != nil {
-		return xerrors.Errorf("failed to write cid field t.AddressMap: %w", err)
-	}
-
-	// t.NextID (uint64) (uint64)
-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.NextID))); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (t *InitActorState) UnmarshalCBOR(r io.Reader) error {
-	br := cbg.GetPeeker(r)
-
-	maj, extra, err := cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-	if maj != cbg.MajArray {
-		return fmt.Errorf("cbor input should be of type array")
-	}
-
-	if extra != 2 {
-		return fmt.Errorf("cbor input had wrong number of fields")
-	}
-
-	// t.AddressMap (cid.Cid) (struct)
-
-	{
-
-		c, err := cbg.ReadCid(br)
-		if err != nil {
-			return xerrors.Errorf("failed to read cid field t.AddressMap: %w", err)
-		}
-
-		t.AddressMap = c
-
-	}
-	// t.NextID (uint64) (uint64)
-
-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.NextID = uint64(extra)
-	return nil
-}
-
-func (t *ExecParams) MarshalCBOR(w io.Writer) error {
-	if t == nil {
-		_, err := w.Write(cbg.CborNull)
-		return err
-	}
-	if _, err := w.Write([]byte{130}); err != nil {
-		return err
-	}
-
-	// t.Code (cid.Cid) (struct)
-
-	if err := cbg.WriteCid(w, t.Code); err != nil {
-		return xerrors.Errorf("failed to write cid field t.Code: %w", err)
-	}
-
-	// t.Params ([]uint8) (slice)
-	if len(t.Params) > cbg.ByteArrayMaxLen {
-		return xerrors.Errorf("Byte array in field t.Params was too long")
-	}
-
-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajByteString, uint64(len(t.Params)))); err != nil {
-		return err
-	}
-	if _, err := w.Write(t.Params); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (t *ExecParams) UnmarshalCBOR(r io.Reader) error {
-	br := cbg.GetPeeker(r)
-
-	maj, extra, err := cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-	if maj != cbg.MajArray {
-		return fmt.Errorf("cbor input should be of type array")
-	}
-
-	if extra != 2 {
-		return fmt.Errorf("cbor input had wrong number of fields")
-	}
-
-	// t.Code (cid.Cid) (struct)
-
-	{
-
-		c, err := cbg.ReadCid(br)
-		if err != nil {
-			return xerrors.Errorf("failed to read cid field t.Code: %w", err)
-		}
-
-		t.Code = c
-
-	}
-	// t.Params ([]uint8) (slice)
-
-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-
-	if extra > cbg.ByteArrayMaxLen {
-		return fmt.Errorf("t.Params: byte array too large (%d)", extra)
-	}
-	if maj != cbg.MajByteString {
-		return fmt.Errorf("expected byte array")
-	}
-	t.Params = make([]byte, extra)
-	if _, err := io.ReadFull(br, t.Params); err != nil {
-		return err
-	}
-	return nil
-}
diff --git a/gen/main.go b/gen/main.go
index 1bf2bff65..eb07300d9 100644
--- a/gen/main.go
+++ b/gen/main.go
@@ -7,7 +7,6 @@ import (
 	gen "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/blocksync"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/lib/statemachine"
@@ -68,48 +67,6 @@ func main() {
 		os.Exit(1)
 	}
 
-	err = gen.WriteTupleEncodersToFile("./chain/actors/cbor_gen.go", "actors",
-		actors.InitActorState{},
-		actors.ExecParams{},
-		actors.AccountActorState{},
-		actors.StorageMinerActorState{},
-		actors.StorageMinerConstructorParams{},
-		actors.SectorPreCommitInfo{},
-		actors.PreCommittedSector{},
-		actors.MinerInfo{},
-		actors.SubmitFallbackPoStParams{},
-		actors.PaymentVerifyParams{},
-		actors.UpdatePeerIDParams{},
-		actors.DeclareFaultsParams{},
-		actors.PaymentChannelActorState{},
-		actors.PCAConstructorParams{},
-		actors.LaneState{},
-		actors.PCAUpdateChannelStateParams{},
-		actors.PaymentInfo{},
-		actors.StoragePowerState{},
-		actors.CreateStorageMinerParams{},
-		actors.IsValidMinerParam{},
-		actors.PowerLookupParams{},
-		actors.UpdateStorageParams{},
-		actors.ArbitrateConsensusFaultParams{},
-		actors.PledgeCollateralParams{},
-		actors.MinerSlashConsensusFault{},
-		actors.StorageMarketState{},
-		actors.WithdrawBalanceParams{},
-		actors.StorageDealProposal{},
-		actors.PublishStorageDealsParams{},
-		actors.PublishStorageDealResponse{},
-		actors.ActivateStorageDealsParams{},
-		actors.ComputeDataCommitmentParams{},
-		actors.SectorProveCommitInfo{},
-		actors.CheckMinerParams{},
-		actors.CronActorState{},
-	)
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-
 	err = gen.WriteMapEncodersToFile("./storage/sealing/cbor_gen.go", "sealing",
 		sealing.SealTicket{},
 		sealing.SealSeed{},