diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index e723d4657de..51bcaf6d73f 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -3418,8 +3418,8 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
 
         // If the peer is old enough to have the old alert system, send it the final alert.
         if (greatest_common_version <= 70012) {
-            DataStream finalAlert{ParseHex("60010000000000000000000000ffffff7f00000000ffffff7ffeffff7f01ffffff7f00000000ffffff7f00ffffff7f002f555247454e543a20416c657274206b657920636f6d70726f6d697365642c2075706772616465207265717569726564004630440220653febd6410f470f6bae11cad19c48413becb1ac2c17f908fd0fd53bdc3abd5202206d0e9c96fe88d4a0f01ed9dedae2b6f9e00da94cad0fecaae66ecf689bf71b50")};
-            m_connman.PushMessage(&pfrom, CNetMsgMaker(greatest_common_version).Make("alert", finalAlert));
+            const auto finalAlert{ParseHex("60010000000000000000000000ffffff7f00000000ffffff7ffeffff7f01ffffff7f00000000ffffff7f00ffffff7f002f555247454e543a20416c657274206b657920636f6d70726f6d697365642c2075706772616465207265717569726564004630440220653febd6410f470f6bae11cad19c48413becb1ac2c17f908fd0fd53bdc3abd5202206d0e9c96fe88d4a0f01ed9dedae2b6f9e00da94cad0fecaae66ecf689bf71b50")};
+            m_connman.PushMessage(&pfrom, CNetMsgMaker(greatest_common_version).Make("alert", Span{finalAlert}));
         }
 
         // Feeler connections exist only to verify if address is online.
diff --git a/src/streams.h b/src/streams.h
index e346aa0a3ff..03df20b5db8 100644
--- a/src/streams.h
+++ b/src/streams.h
@@ -293,14 +293,6 @@ public:
         vch.insert(vch.end(), src.begin(), src.end());
     }
 
-    template<typename Stream>
-    void Serialize(Stream& s) const
-    {
-        // Special case: stream << stream concatenates like stream += stream
-        if (!vch.empty())
-            s.write(MakeByteSpan(vch));
-    }
-
     template<typename T>
     DataStream& operator<<(const T& obj)
     {
diff --git a/src/wallet/dump.cpp b/src/wallet/dump.cpp
index 865af0bb23f..44c93eed7c2 100644
--- a/src/wallet/dump.cpp
+++ b/src/wallet/dump.cpp
@@ -255,11 +255,7 @@ bool CreateFromDump(const ArgsManager& args, const std::string& name, const fs::
 
             std::vector<unsigned char> k = ParseHex(key);
             std::vector<unsigned char> v = ParseHex(value);
-
-            DataStream ss_key{k};
-            DataStream ss_value{v};
-
-            if (!batch->Write(ss_key, ss_value)) {
+            if (!batch->Write(Span{k}, Span{v})) {
                 error = strprintf(_("Error: Unable to write record to new wallet"));
                 ret = false;
                 break;
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 63ace5c47f3..dce99b94bd5 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3875,9 +3875,7 @@ bool CWallet::MigrateToSQLite(bilingual_str& error)
     bool began = batch->TxnBegin();
     assert(began); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
     for (const auto& [key, value] : records) {
-        DataStream ss_key{key};
-        DataStream ss_value{value};
-        if (!batch->Write(ss_key, ss_value)) {
+        if (!batch->Write(MakeUCharSpan(key), MakeUCharSpan(value))) {
             batch->TxnAbort();
             m_database->Close();
             fs::remove(m_database->Filename());