diff --git a/src/masternode.cpp b/src/masternode.cpp
index 1bec0db3e9846..594aafa57cfd0 100644
--- a/src/masternode.cpp
+++ b/src/masternode.cpp
@@ -519,8 +519,7 @@ bool CMasternodeBroadcast::CheckAndUpdate(int& nDos)
     }
 
     std::string errorMessage = "";
-    if (!obfuScationSigner.VerifyMessage(pubKeyCollateralAddress, sig, GetNewStrMessage(), errorMessage)
-    		&& !obfuScationSigner.VerifyMessage(pubKeyCollateralAddress, sig, GetOldStrMessage(), errorMessage))
+    if (!obfuScationSigner.VerifyMessage(pubKeyCollateralAddress, sig, GetStrMessage(), errorMessage))
     {
         // don't ban for old masternodes, their sigs could be broken because of the bug
         nDos = protocolVersion < MIN_PEER_MNANNOUNCE ? 0 : 100;
@@ -661,11 +660,7 @@ bool CMasternodeBroadcast::Sign(CKey& keyCollateralAddress)
     std::string errorMessage;
     sigTime = GetAdjustedTime();
 
-    std::string strMessage;
-    if(chainActive.Height() < Params().Zerocoin_Block_V2_Start())
-    	strMessage = GetOldStrMessage();
-    else
-    	strMessage = GetNewStrMessage();
+    std::string strMessage = GetStrMessage();
 
     if (!obfuScationSigner.SignMessage(strMessage, errorMessage, sig, keyCollateralAddress))
     	return error("CMasternodeBroadcast::Sign() - Error: %s", errorMessage);
@@ -681,31 +676,20 @@ bool CMasternodeBroadcast::VerifySignature()
 {
     std::string errorMessage;
 
-    if(!obfuScationSigner.VerifyMessage(pubKeyCollateralAddress, sig, GetNewStrMessage(), errorMessage)
-            && !obfuScationSigner.VerifyMessage(pubKeyCollateralAddress, sig, GetOldStrMessage(), errorMessage))
+    if(!obfuScationSigner.VerifyMessage(pubKeyCollateralAddress, sig, GetStrMessage(), errorMessage))
         return error("CMasternodeBroadcast::VerifySignature() - Error: %s", errorMessage);
 
     return true;
 }
 
-std::string CMasternodeBroadcast::GetOldStrMessage()
+std::string CMasternodeBroadcast::GetStrMessage()
 {
-    std::string strMessage;
-
-    std::string vchPubKey(pubKeyCollateralAddress.begin(), pubKeyCollateralAddress.end());
-    std::string vchPubKey2(pubKeyMasternode.begin(), pubKeyMasternode.end());
-    strMessage = addr.ToString() + std::to_string(sigTime) + vchPubKey + vchPubKey2 + std::to_string(protocolVersion);
-
-    return strMessage;
-}
-
-std:: string CMasternodeBroadcast::GetNewStrMessage()
-{
-    std::string strMessage;
-
-    strMessage = addr.ToString() + std::to_string(sigTime) + pubKeyCollateralAddress.GetID().ToString() + pubKeyMasternode.GetID().ToString() + std::to_string(protocolVersion);
-
-    return strMessage;
+    return (addr.ToString() +
+            std::to_string(sigTime) +
+            pubKeyCollateralAddress.GetID().ToString() +
+            pubKeyMasternode.GetID().ToString() +
+            std::to_string(protocolVersion)
+    );
 }
 
 CMasternodePing::CMasternodePing()
diff --git a/src/masternode.h b/src/masternode.h
index 3c08a4b0c801c..bfe7118b2f811 100644
--- a/src/masternode.h
+++ b/src/masternode.h
@@ -303,8 +303,7 @@ class CMasternodeBroadcast : public CMasternode
     bool Sign(CKey& keyCollateralAddress);
     bool VerifySignature();
     void Relay();
-    std::string GetOldStrMessage();
-    std::string GetNewStrMessage();
+    std::string GetStrMessage();
 
     ADD_SERIALIZE_METHODS;