diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp
index 78554b8818..4c84c7fa86 100644
--- a/src/test/mempool_tests.cpp
+++ b/src/test/mempool_tests.cpp
@@ -445,7 +445,6 @@ BOOST_AUTO_TEST_CASE(PeginSpentTest)
     tx.vin.resize(1);
     tx.vout.resize(1);
     tx.vout[0].nValue = 0;
-    const uint256 tx1Hash(tx.GetHash());
     pool.addUnchecked(entry.PeginsSpent(setPeginsSpent).FromTx(tx));
     BOOST_CHECK(pool.mapPeginsSpentToTxid.empty());
 
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 4a21be8ce4..c72f8db36a 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -1198,73 +1198,6 @@ public:
     bool operator()(const T& dest) { return false; }
 };
 
-static UniValue addwitnessaddress(const JSONRPCRequest& request)
-{
-    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
-    CWallet* const pwallet = wallet.get();
-
-    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
-        return NullUniValue;
-    }
-
-    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
-    {
-        std::string msg = "addwitnessaddress \"address\" ( p2sh )\n"
-            "\nDEPRECATED: set the address_type argument of getnewaddress, or option -addresstype=[bech32|p2sh-segwit] instead.\n"
-            "Add a witness address for a script (with pubkey or redeemscript known). Requires a new wallet backup.\n"
-            "It returns the witness script.\n"
-
-            "\nArguments:\n"
-            "1. \"address\"       (string, required) An address known to the wallet\n"
-            "2. p2sh            (bool, optional, default=true) Embed inside P2SH\n"
-
-            "\nResult:\n"
-            "\"witnessaddress\",  (string) The value of the new address (P2SH or BIP173).\n"
-            "}\n"
-        ;
-        throw std::runtime_error(msg);
-    }
-
-    if (!IsDeprecatedRPCEnabled("addwitnessaddress")) {
-        throw JSONRPCError(RPC_METHOD_DEPRECATED, "addwitnessaddress is deprecated and will be fully removed in v0.17. "
-            "To use addwitnessaddress in v0.16, restart the daemon with -deprecatedrpc=addwitnessaddress.\n"
-            "Projects should transition to using the address_type argument of getnewaddress, or option -addresstype=[bech32|p2sh-segwit] instead.\n");
-    }
-
-    CTxDestination dest = DecodeDestination(request.params[0].get_str());
-    if (!IsValidDestination(dest)) {
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
-    }
-
-    bool p2sh = true;
-    if (!request.params[1].isNull()) {
-        p2sh = request.params[1].get_bool();
-    }
-
-    Witnessifier w(pwallet);
-    bool ret = boost::apply_visitor(w, dest);
-    if (!ret) {
-        throw JSONRPCError(RPC_WALLET_ERROR, "Public key or redeemscript not known to wallet, or the key is uncompressed");
-    }
-
-    CScript witprogram = GetScriptForDestination(w.result);
-
-    if (p2sh) {
-        w.result = ScriptHash(witprogram);
-    }
-
-    if (w.already_witness) {
-        if (!(dest == w.result)) {
-            throw JSONRPCError(RPC_WALLET_ERROR, "Cannot convert between witness address types");
-        }
-    } else {
-        pwallet->AddCScript(witprogram); // Implicit for single-key now, but necessary for multisig and for compatibility with older software
-        pwallet->SetAddressBook(w.result, "", "receive");
-    }
-
-    return EncodeDestination(w.result);
-}
-
 struct tallyitem
 {
     CAmountMap mapAmount;