diff --git a/channeldb/channel.go b/channeldb/channel.go
index ebfe0659..2e053680 100644
--- a/channeldb/channel.go
+++ b/channeldb/channel.go
@@ -61,12 +61,11 @@ type OpenChannel struct {
 	OurBalance   btcutil.Amount
 	TheirBalance btcutil.Amount
 
-	// Commitment transactions for both sides (they're asymmetric). Also
-	// their signature which lets us spend our version of the commitment
-	// transaction.
-	TheirCommitTx  *wire.MsgTx
-	OurCommitTx    *wire.MsgTx // TODO(roasbeef): store hash instead?
-	TheirCommitSig []byte      // TODO(roasbeef): fixed length?, same w/ redeem
+	// Commitment transactions for both sides (they're asymmetric). Our
+	// commitment transaction includes a valid sigScript, and is ready for
+	// broadcast.
+	TheirCommitTx *wire.MsgTx
+	OurCommitTx   *wire.MsgTx // TODO(roasbeef): store hash instead?
 
 	// The final funding transaction. Kept wallet-related records.
 	FundingTx *wire.MsgTx
@@ -82,6 +81,7 @@ type OpenChannel struct {
 	OurShaChain            *shachain.HyperShaChain
 
 	// Final delivery address
+	// TODO(roasbeef): should just be output scripts
 	OurDeliveryAddress   btcutil.Address
 	TheirDeliveryAddress btcutil.Address
 
@@ -227,9 +227,6 @@ func (o *OpenChannel) Encode(b io.Writer, addrManager *waddrmgr.Manager) error {
 	if err := o.OurCommitTx.Serialize(b); err != nil {
 		return err
 	}
-	if _, err := b.Write(o.TheirCommitSig[:]); err != nil {
-		return err
-	}
 
 	if err := o.FundingTx.Serialize(b); err != nil {
 		return err
@@ -337,15 +334,6 @@ func (o *OpenChannel) Decode(b io.Reader, addrManager *waddrmgr.Manager) error {
 		return err
 	}
 
-	var sig [64]byte
-	if _, err := b.Read(sig[:]); err != nil {
-		return err
-	}
-	o.TheirCommitSig = sig[:]
-	if err != nil {
-		return err
-	}
-
 	o.FundingTx = wire.NewMsgTx()
 	if err := o.FundingTx.Deserialize(b); err != nil {
 		return err
diff --git a/channeldb/channel_test.go b/channeldb/channel_test.go
index 0686ab38..9bc82a6f 100644
--- a/channeldb/channel_test.go
+++ b/channeldb/channel_test.go
@@ -19,7 +19,6 @@ import (
 )
 
 var (
-	sig = bytes.Repeat([]byte{1}, 64)
 	key = [wire.HashSize]byte{
 		0x81, 0xb6, 0x37, 0xd8, 0xfc, 0xd2, 0xc6, 0xda,
 		0x68, 0x59, 0xe6, 0x96, 0x31, 0x13, 0xa1, 0x17,
@@ -144,7 +143,6 @@ func TestOpenChannelEncodeDecode(t *testing.T) {
 		TheirBalance:           btcutil.Amount(7000),
 		TheirCommitTx:          testTx,
 		OurCommitTx:            testTx,
-		TheirCommitSig:         sig,
 		FundingTx:              testTx,
 		MultiSigKey:            privKey,
 		FundingRedeemScript:    script,
@@ -224,10 +222,6 @@ func TestOpenChannelEncodeDecode(t *testing.T) {
 		t.Fatalf("ourCommitTx doesn't match")
 	}
 
-	if !bytes.Equal(state.TheirCommitSig, newState.TheirCommitSig) {
-		t.Fatalf("theirCommitSig doesn't match")
-	}
-
 	b1.Reset()
 	b2.Reset()