diff --git a/doc/man/bitcoin-qt.1 b/doc/man/bitcoin-qt.1
index 5aa2bb62d3..c6fd5afd23 100644
--- a/doc/man/bitcoin-qt.1
+++ b/doc/man/bitcoin-qt.1
@@ -314,10 +314,6 @@ confirmation on average within n blocks (default: 6)
 Use hierarchical deterministic key generation (HD) after BIP32. Only has
 effect during wallet creation/first start (default: 1)
 .HP
-\fB\-walletrbf\fR
-.IP
-Send transactions with full\-RBF opt\-in enabled (default: 0)
-.HP
 \fB\-upgradewallet\fR
 .IP
 Upgrade wallet to latest format on startup
diff --git a/doc/man/bitcoind.1 b/doc/man/bitcoind.1
index 68e05270ad..f7508a9d9e 100644
--- a/doc/man/bitcoind.1
+++ b/doc/man/bitcoind.1
@@ -319,10 +319,6 @@ confirmation on average within n blocks (default: 6)
 Use hierarchical deterministic key generation (HD) after BIP32. Only has
 effect during wallet creation/first start (default: 1)
 .HP
-\fB\-walletrbf\fR
-.IP
-Send transactions with full\-RBF opt\-in enabled (default: 0)
-.HP
 \fB\-upgradewallet\fR
 .IP
 Upgrade wallet to latest format on startup
diff --git a/qa/rpc-tests/bumpfee.py b/qa/rpc-tests/bumpfee.py
index c7b744d9dd..7403264b57 100755
--- a/qa/rpc-tests/bumpfee.py
+++ b/qa/rpc-tests/bumpfee.py
@@ -27,7 +27,7 @@ class BumpFeeTest(BitcoinTestFramework):
         self.setup_clean_chain = True
 
     def setup_network(self, split=False):
-        extra_args = [["-debug", "-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
+        extra_args = [["-debug", "-prematurewitness", "-walletprematurewitness"]
                       for i in range(self.num_nodes)]
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
 
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 50f2bde08a..a3d470fc69 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -44,7 +44,6 @@ CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE);
 unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET;
 bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE;
 bool fSendFreeTransactions = DEFAULT_SEND_FREE_TRANSACTIONS;
-bool fWalletRbf = DEFAULT_WALLET_RBF;
 
 const char * DEFAULT_WALLET_DAT = "wallet.dat";
 const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000;
@@ -2997,15 +2996,8 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
                 //
                 // Note how the sequence number is set to non-maxint so that
                 // the nLockTime set above actually works.
-                //
-                // BIP125 defines opt-in RBF as any nSequence < maxint-1, so
-                // we use the highest possible value in that range (maxint-2)
-                // to avoid conflicting with other possible uses of nSequence,
-                // and in the spirit of "smallest possible change from prior
-                // behavior."
                 for (const auto& coin : setCoins) {
-                    txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(),
-                                              std::numeric_limits<unsigned int>::max() - (fWalletRbf ? 2 : 1)));
+                    txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(), std::numeric_limits<unsigned int>::max() - 1));
                     if (reissuanceToken &&
                         coin.first->GetOutputAsset(coin.second) == *reissuanceToken) {
                         reissuanceIndex = txNew.vin.size()-1;
@@ -4155,7 +4147,6 @@ std::string CWallet::GetWalletHelpString(bool showDebug)
     strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), DEFAULT_SPEND_ZEROCONF_CHANGE));
     strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET));
     strUsage += HelpMessageOpt("-usehd", _("Use hierarchical deterministic key generation (HD) after BIP32. Only has effect during wallet creation/first start") + " " + strprintf(_("(default: %u)"), DEFAULT_USE_HD_WALLET));
-    strUsage += HelpMessageOpt("-walletrbf", strprintf(_("Send transactions with full-RBF opt-in enabled (default: %u)"), DEFAULT_WALLET_RBF));
     strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format on startup"));
     strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), DEFAULT_WALLET_DAT));
     strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), DEFAULT_WALLETBROADCAST));
@@ -4471,7 +4462,6 @@ bool CWallet::ParameterInteraction()
     nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
     bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
     fSendFreeTransactions = GetBoolArg("-sendfreetransactions", DEFAULT_SEND_FREE_TRANSACTIONS);
-    fWalletRbf = GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
 
     if (fSendFreeTransactions && GetArg("-limitfreerelay", DEFAULT_LIMITFREERELAY) <= 0)
         return InitError("Creation of free transactions with their relay disabled is not supported.");
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index c4a4d23cfb..37911914eb 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -41,7 +41,6 @@ extern CFeeRate payTxFee;
 extern unsigned int nTxConfirmTarget;
 extern bool bSpendZeroConfChange;
 extern bool fSendFreeTransactions;
-extern bool fWalletRbf;
 
 static const unsigned int DEFAULT_KEYPOOL_SIZE = 100;
 //! -paytxfee default
@@ -64,8 +63,6 @@ static const bool DEFAULT_SEND_FREE_TRANSACTIONS = false;
 static const bool DEFAULT_WALLET_REJECT_LONG_CHAINS = false;
 //! -txconfirmtarget default
 static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 6;
-//! -walletrbf default
-static const bool DEFAULT_WALLET_RBF = true;
 //! Largest (in bytes) free transaction we're willing to create
 static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 1000;
 static const bool DEFAULT_WALLETBROADCAST = true;