diff --git a/api/api_wallet.go b/api/api_wallet.go
index 9c289ca95..b3dbd5fa9 100644
--- a/api/api_wallet.go
+++ b/api/api_wallet.go
@@ -13,9 +13,9 @@ type WalletAPI interface {
 	WalletNew(context.Context, crypto.SigType) (address.Address, error)
 	WalletHas(context.Context, address.Address) (bool, error)
 	WalletList(context.Context) ([]address.Address, error)
+
 	WalletSign(context.Context, address.Address, []byte) (*crypto.Signature, error)
-	// nonce keeping done by wallet app
-	WalletSignMessage(context.Context, address.Address, *types.Message) (*types.SignedMessage, error)
+
 	WalletExport(context.Context, address.Address) (*types.KeyInfo, error)
 	WalletImport(context.Context, *types.KeyInfo) (address.Address, error)
 	WalletDelete(context.Context, address.Address) error
diff --git a/chain/wallet/wallet.go b/chain/wallet/wallet.go
index 5f501307f..607380547 100644
--- a/chain/wallet/wallet.go
+++ b/chain/wallet/wallet.go
@@ -74,20 +74,6 @@ func (w *LocalWallet) WalletSign(ctx context.Context, addr address.Address, msg
 	return sigs.Sign(ActSigType(ki.Type), ki.PrivateKey, msg)
 }
 
-func (w *LocalWallet) WalletSignMessage(ctx context.Context, k address.Address, msg *types.Message) (*types.SignedMessage, error) {
-	mcid := msg.Cid()
-
-	sig, err := w.WalletSign(ctx, k, mcid.Bytes())
-	if err != nil {
-		return nil, xerrors.Errorf("failed to sign message: %w", err)
-	}
-
-	return &types.SignedMessage{
-		Message:   *msg,
-		Signature: *sig,
-	}, nil
-}
-
 func (w *LocalWallet) findKey(addr address.Address) (*Key, error) {
 	w.lk.Lock()
 	defer w.lk.Unlock()
diff --git a/cmd/lotus-wallet/logged.go b/cmd/lotus-wallet/logged.go
index 4cdd62825..adafb7cc5 100644
--- a/cmd/lotus-wallet/logged.go
+++ b/cmd/lotus-wallet/logged.go
@@ -43,12 +43,6 @@ func (c *LoggedWallet) WalletSign(ctx context.Context, k address.Address, msg []
 	return c.under.WalletSign(ctx, k, msg)
 }
 
-func (c *LoggedWallet) WalletSignMessage(ctx context.Context, k address.Address, msg *types.Message) (*types.SignedMessage, error) {
-	log.Infow("WalletSignMessage", "address", k)
-
-	return c.under.WalletSignMessage(ctx, k, msg)
-}
-
 func (c *LoggedWallet) WalletExport(ctx context.Context, a address.Address) (*types.KeyInfo, error) {
 	log.Infow("WalletExport", "address", a)
 
diff --git a/node/impl/full/wallet.go b/node/impl/full/wallet.go
index 6252e12a4..13880a03a 100644
--- a/node/impl/full/wallet.go
+++ b/node/impl/full/wallet.go
@@ -3,10 +3,10 @@ package full
 import (
 	"context"
 
-	"github.com/filecoin-project/go-address"
 	"go.uber.org/fx"
 	"golang.org/x/xerrors"
 
+	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-state-types/crypto"
 
@@ -48,7 +48,18 @@ func (a *WalletAPI) WalletSignMessage(ctx context.Context, k address.Address, ms
 	if err != nil {
 		return nil, xerrors.Errorf("failed to resolve ID address: %w", keyAddr)
 	}
-	return a.WalletAPI.WalletSignMessage(ctx, keyAddr, msg)
+
+	mcid := msg.Cid()
+
+	sig, err := a.WalletAPI.WalletSign(ctx, k, mcid.Bytes())
+	if err != nil {
+		return nil, xerrors.Errorf("failed to sign message: %w", err)
+	}
+
+	return &types.SignedMessage{
+		Message:   *msg,
+		Signature: *sig,
+	}, nil
 }
 
 func (a *WalletAPI) WalletVerify(ctx context.Context, k address.Address, msg []byte, sig *crypto.Signature) (bool, error) {