diff --git a/consensus/consensus.go b/consensus/consensus.go
index 5a131fac5..a69bf941b 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -61,7 +61,6 @@ type Consensus struct {
 	commitBitmap         *bls_cosi.Mask
 
 	multiSigBitmap *bls_cosi.Mask // Bitmap for parsing multisig bitmap from validators
-	multiSigMutex  sync.RWMutex
 
 	// Registry for services.
 	registry *registry.Registry
diff --git a/consensus/consensus_service.go b/consensus/consensus_service.go
index 1844f2268..5534b9bc9 100644
--- a/consensus/consensus_service.go
+++ b/consensus/consensus_service.go
@@ -138,9 +138,8 @@ func (consensus *Consensus) UpdateBitmaps() {
 	multiSigBitmap, _ := bls_cosi.NewMask(members, nil)
 	consensus.prepareBitmap = prepareBitmap
 	consensus.commitBitmap = commitBitmap
-	consensus.multiSigMutex.Lock()
 	consensus.multiSigBitmap = multiSigBitmap
-	consensus.multiSigMutex.Unlock()
+
 }
 
 // ResetState resets the state of the consensus
diff --git a/consensus/fbft_log.go b/consensus/fbft_log.go
index 1a5966572..dead27f1a 100644
--- a/consensus/fbft_log.go
+++ b/consensus/fbft_log.go
@@ -360,9 +360,7 @@ func (consensus *Consensus) ParseFBFTMessage(msg *msg_pb.Message) (*FBFTMessage,
 		copy(pbftMsg.SenderPubkeys[0].Bytes[:], consensusMsg.SenderPubkey[:])
 	} else {
 		// else, it should be a multi-key message where the bitmap is populated
-		consensus.multiSigMutex.RLock()
 		pubKeys, err := consensus.multiSigBitmap.GetSignedPubKeysFromBitmap(pbftMsg.SenderPubkeyBitmap)
-		consensus.multiSigMutex.RUnlock()
 		if err != nil {
 			return nil, err
 		}