diff --git a/src/libxrpl/ledger/View.cpp b/src/libxrpl/ledger/View.cpp
index 837d5dfee6..7b5b746e0d 100644
--- a/src/libxrpl/ledger/View.cpp
+++ b/src/libxrpl/ledger/View.cpp
@@ -2333,7 +2333,6 @@ accountSendMultiIOU(
     if (auto stream = j.trace())
     {
         std::string sender_bal("-");
-        std::string receiver_bal("-");
 
         if (sender)
             sender_bal = sender->getFieldAmount(sfBalance).getFullText();
diff --git a/src/test/app/Batch_test.cpp b/src/test/app/Batch_test.cpp
index d8a8cd6c5d..8fcadcb1a5 100644
--- a/src/test/app/Batch_test.cpp
+++ b/src/test/app/Batch_test.cpp
@@ -3280,7 +3280,6 @@ class Batch_test : public beast::unit_test::suite
                 batch::inner(pay(alice, bob, XRP(2)), aliceSeq + 2));
 
             auto const noopTxn = env.jt(noop(alice), seq(aliceSeq + 1));
-            auto const noopTxnID = to_string(noopTxn.stx->getTransactionID());
             env(noopTxn, ter(tesSUCCESS));
             env.close();
 
@@ -3373,7 +3372,6 @@ class Batch_test : public beast::unit_test::suite
 
             // AccountSet Txn
             auto const noopTxn = env.jt(noop(alice), ticket::use(aliceTicketSeq + 1));
-            auto const noopTxnID = to_string(noopTxn.stx->getTransactionID());
             env(noopTxn, ter(tesSUCCESS));
 
             // Batch Txn
diff --git a/src/test/app/Loan_test.cpp b/src/test/app/Loan_test.cpp
index 5477994c53..a0224148c0 100644
--- a/src/test/app/Loan_test.cpp
+++ b/src/test/app/Loan_test.cpp
@@ -1903,7 +1903,6 @@ protected:
         }
 
         // Finally! Create a loan
-        std::string testData;
 
         auto coverAvailable = [&env, this](uint256 const& brokerID, Number const& expected) {
             if (auto const brokerSle = env.le(keylet::loanbroker(brokerID));
@@ -3765,10 +3764,8 @@ protected:
 
         Account const alice{"alice"};
         std::string const borrowerPass = "borrower";
-        std::string const borrowerSeed = "ssBRAsLpH4778sLNYC4ik1JBJsBVf";
         Account borrower{borrowerPass, KeyType::ed25519};
         auto const lenderPass = "lender";
-        std::string const lenderSeed = "shPTCZGwTEhJrYT8NbcNkeaa8pzPM";
         Account lender{lenderPass, KeyType::ed25519};
 
         env.fund(XRP(1'000'000), alice, lender, borrower);
@@ -7091,7 +7088,6 @@ public:
     void
     run() override
     {
-        auto const argument = arg();
         auto const numIterations = [s = arg()]() -> int {
             int defaultNum = 5;
             if (s.empty())
diff --git a/src/test/beast/beast_abstract_clock_test.cpp b/src/test/beast/beast_abstract_clock_test.cpp
index 94b7909820..43a210e128 100644
--- a/src/test/beast/beast_abstract_clock_test.cpp
+++ b/src/test/beast/beast_abstract_clock_test.cpp
@@ -37,8 +37,6 @@ public:
         using clock_type = manual_clock<std::chrono::steady_clock>;
         clock_type c;
 
-        std::stringstream ss;
-
         auto c1 = c.now().time_since_epoch();
         c.set(clock_type::time_point(std::chrono::seconds(1)));
         auto c2 = c.now().time_since_epoch();
diff --git a/src/test/jtx/impl/Oracle.cpp b/src/test/jtx/impl/Oracle.cpp
index 302880c972..24f7312e73 100644
--- a/src/test/jtx/impl/Oracle.cpp
+++ b/src/test/jtx/impl/Oracle.cpp
@@ -216,7 +216,6 @@ Oracle::set(UpdateArg const& arg)
             return s;
         assert(s.size() <= 20);
         // anything else must be 160-bit hex string
-        std::string h = strHex(s);
         return strHex(s).append(40 - s.size() * 2, '0');
     };
     for (auto const& data : arg.series)
diff --git a/src/test/peerfinder/PeerFinder_test.cpp b/src/test/peerfinder/PeerFinder_test.cpp
index 2a9290ac3e..038ed438f0 100644
--- a/src/test/peerfinder/PeerFinder_test.cpp
+++ b/src/test/peerfinder/PeerFinder_test.cpp
@@ -123,7 +123,6 @@ public:
                 if (!BEAST_EXPECT(
                         logic.onConnected(slot, beast::IP::Endpoint::from_string("65.0.0.2:5"))))
                     return;
-                std::string s = ".";
                 if (!BEAST_EXPECT(logic.activate(slot, pk, false) == PeerFinder::Result::success))
                     return;
                 logic.on_closed(slot);
diff --git a/src/test/rpc/DeliveredAmount_test.cpp b/src/test/rpc/DeliveredAmount_test.cpp
index e024e249c3..c156a566b0 100644
--- a/src/test/rpc/DeliveredAmount_test.cpp
+++ b/src/test/rpc/DeliveredAmount_test.cpp
@@ -287,7 +287,6 @@ class DeliveredAmount_test : public beast::unit_test::suite
             env.require(balance(carol, USD(0)));
 
             env.close();
-            std::string index;
             Json::Value jvParams;
             jvParams[jss::ledger_index] = 4u;
             jvParams[jss::transactions] = true;
diff --git a/src/xrpld/app/ledger/detail/InboundLedger.cpp b/src/xrpld/app/ledger/detail/InboundLedger.cpp
index 4dd8ab887e..b8158e507f 100644
--- a/src/xrpld/app/ledger/detail/InboundLedger.cpp
+++ b/src/xrpld/app/ledger/detail/InboundLedger.cpp
@@ -1056,8 +1056,6 @@ InboundLedger::processData(std::shared_ptr<Peer> peer, protocol::TMLedgerData& p
 
     if ((packet.type() == protocol::liTX_NODE) || (packet.type() == protocol::liAS_NODE))
     {
-        std::string type = packet.type() == protocol::liTX_NODE ? "liTX_NODE: " : "liAS_NODE: ";
-
         if (packet.nodes().empty())
         {
             JLOG(journal_.info()) << peer->id() << ": response with no nodes";
diff --git a/src/xrpld/core/detail/Config.cpp b/src/xrpld/core/detail/Config.cpp
index d1937fa83e..ce4ba43cd8 100644
--- a/src/xrpld/core/detail/Config.cpp
+++ b/src/xrpld/core/detail/Config.cpp
@@ -386,7 +386,6 @@ Config::setup(std::string const& strConf, bool bQuiet, bool bSilent, bool bStand
     if (RUN_STANDALONE)
         LEDGER_HISTORY = 0;
 
-    std::string ledgerTxDbType;
     Section ledgerTxTablesSection = section("ledger_tx_tables");
     get_if_exists(ledgerTxTablesSection, "use_tx_tables", USE_TX_TABLES);