diff --git a/src/support/lockedpool.cpp b/src/support/lockedpool.cpp
index 6c3aaa9f04fa..651af4c84980 100644
--- a/src/support/lockedpool.cpp
+++ b/src/support/lockedpool.cpp
@@ -25,7 +25,6 @@
 #include <iomanip>
 #include <iostream>
 #endif
-#include <utility>
 
 LockedPoolManager* LockedPoolManager::_instance = nullptr;
 
diff --git a/src/wallet/rpc/spend.cpp b/src/wallet/rpc/spend.cpp
index f44eedff2bc8..d11267d90cb7 100644
--- a/src/wallet/rpc/spend.cpp
+++ b/src/wallet/rpc/spend.cpp
@@ -335,8 +335,8 @@ RPCHelpMan sendmany()
                     {"use_is", RPCArg::Type::BOOL, RPCArg::Default{false}, "Deprecated and ignored"},
                     {"use_cj", RPCArg::Type::BOOL, RPCArg::Default{false}, "Use CoinJoin funds only"},
                     {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
-                    {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n"
-            "       \"" + FeeModes("\"\n\"") + "\""},
+                    {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
+                    "\"" + FeeModes("\"\n\"") + "\""},
                     {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/B."},
                     {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra information about the transaction."},
                 },
@@ -450,8 +450,8 @@ static std::vector<RPCArg> FundTxDoc(bool solving_data = true)
 {
     std::vector<RPCArg> args = {
         {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
-        {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n"
-            "         \"" + FeeModes("\"\n\"") + "\""},
+        {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
+                    "\"" + FeeModes("\"\n\"") + "\""},
     };
     if (solving_data) {
         args.push_back({"solving_data", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "Keys and scripts needed for producing a final transaction with a dummy signature.\n"
@@ -920,8 +920,8 @@ RPCHelpMan send()
                 },
             },
             {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
-            {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n"
-                        "       \"" + FeeModes("\"\n\"") + "\""},
+            {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
+                              "\"" + FeeModes("\"\n\"") + "\""},
             {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/B."},
             {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "",
                 Cat<std::vector<RPCArg>>(