diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -3290,56 +3290,6 @@
     return NullUniValue;
 }
 
-static UniValue resendwallettransactions(const Config &config,
-                                         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() != 0) {
-        throw std::runtime_error(RPCHelpMan{
-            "resendwallettransactions",
-            "Immediately re-broadcast unconfirmed wallet transactions to all "
-            "peers.\n"
-            "Intended only for testing; the wallet code periodically "
-            "re-broadcasts\n",
-            {},
-            RPCResult{
-                "Returns an RPC error if -walletbroadcast is set to false.\n"
-                "Returns array of transaction ids that were re-broadcast.\n"},
-            RPCExamples{""},
-        }
-                                     .ToString());
-    }
-
-    if (!pwallet->chain().p2pEnabled()) {
-        throw JSONRPCError(
-            RPC_CLIENT_P2P_DISABLED,
-            "Error: Peer-to-peer functionality missing or disabled");
-    }
-
-    auto locked_chain = pwallet->chain().lock();
-    LOCK(pwallet->cs_wallet);
-
-    if (!pwallet->GetBroadcastTransactions()) {
-        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Wallet transaction "
-                                             "broadcasting is disabled with "
-                                             "-walletbroadcast");
-    }
-
-    std::vector<uint256> txids =
-        pwallet->ResendWalletTransactionsBefore(*locked_chain, GetTime());
-    UniValue result(UniValue::VARR);
-    for (const uint256 &txid : txids) {
-        result.push_back(txid.ToString());
-    }
-
-    return result;
-}
-
 static UniValue listunspent(const Config &config,
                             const JSONRPCRequest &request) {
     std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
@@ -4872,7 +4822,6 @@
     //  category            name                            actor (function)              argNames
     //  ------------------- ------------------------        ----------------------        ----------
     { "generating",         "generate",                     generate,                     {"nblocks","maxtries"} },
-    { "hidden",             "resendwallettransactions",     resendwallettransactions,     {} },
     { "rawtransactions",    "fundrawtransaction",           fundrawtransaction,           {"hexstring","options"} },
     { "wallet",             "abandontransaction",           abandontransaction,           {"txid"} },
     { "wallet",             "addmultisigaddress",           addmultisigaddress,           {"nrequired","keys","label"} },
diff --git a/test/functional/wallet_basic.py b/test/functional/wallet_basic.py
--- a/test/functional/wallet_basic.py
+++ b/test/functional/wallet_basic.py
@@ -16,7 +16,6 @@
     connect_nodes_bi,
     count_bytes,
     sync_blocks,
-    sync_mempools,
     wait_until,
 )
 
@@ -228,23 +227,9 @@
         node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(
         ), node_0_bal + Decimal('10'), fee_per_byte, ctx.billable_size())
 
-        # Test ResendWalletTransactions:
-        # Create a couple of transactions, then start up a fourth
-        # node (nodes[3]) and ask nodes[0] to rebroadcast.
-        # EXPECT: nodes[3] should have those transactions in its mempool.
-        txid1 = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1)
-        txid2 = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1)
-        sync_mempools(self.nodes[0:2])
-
         self.start_node(3, self.extra_args[3])
         connect_nodes_bi(self.nodes[0], self.nodes[3])
-        sync_blocks(self.nodes)
-
-        relayed = self.nodes[0].resendwallettransactions()
-        assert_equal(set(relayed), {txid1, txid2})
-        sync_mempools(self.nodes)
-
-        assert txid1 in self.nodes[3].getrawmempool()
+        self.sync_all()
 
         # check if we can list zero value tx as available coins
         # 1. create rawtx