diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index 8f2d7af089987..0a78cdff20246 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -595,11 +595,6 @@ Common misconceptions are clarified in those sections:
 
   - *Rationale*: This avoids memory and resource leaks, and ensures exception safety.
 
-- Use `MakeUnique()` to construct objects owned by `unique_ptr`s.
-
-  - *Rationale*: `MakeUnique` is concise and ensures exception safety in complex expressions.
-    `MakeUnique` is a temporary project local implementation of `std::make_unique` (C++14).
-
 C++ data structures
 --------------------
 
diff --git a/src/Makefile.am b/src/Makefile.am
index e2b930a2fa08d..8f37e055fff10 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -240,7 +240,6 @@ BITCOIN_CORE_H = \
   util/golombrice.h \
   util/hasher.h \
   util/macros.h \
-  util/memory.h \
   util/message.h \
   util/moneystr.h \
   util/rbf.h \
diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp
index 3abfbfd784070..376e70ffbadcf 100644
--- a/src/bench/coin_selection.cpp
+++ b/src/bench/coin_selection.cpp
@@ -17,7 +17,7 @@ static void addCoin(const CAmount& nValue, const CWallet& wallet, std::vector<st
     tx.nLockTime = nextLockTime++; // so all transactions get different hashes
     tx.vout.resize(1);
     tx.vout[0].nValue = nValue;
-    wtxs.push_back(MakeUnique<CWalletTx>(&wallet, MakeTransactionRef(std::move(tx))));
+    wtxs.push_back(std::make_unique<CWalletTx>(&wallet, MakeTransactionRef(std::move(tx))));
 }
 
 // Simple benchmark for wallet coin selection. Note that it maybe be necessary
@@ -73,7 +73,7 @@ static void add_coin(const CAmount& nValue, int nInput, std::vector<OutputGroup>
     CMutableTransaction tx;
     tx.vout.resize(nInput + 1);
     tx.vout[nInput].nValue = nValue;
-    std::unique_ptr<CWalletTx> wtx = MakeUnique<CWalletTx>(&testWallet, MakeTransactionRef(std::move(tx)));
+    std::unique_ptr<CWalletTx> wtx = std::make_unique<CWalletTx>(&testWallet, MakeTransactionRef(std::move(tx)));
     set.emplace_back();
     set.back().Insert(COutput(wtx.get(), nInput, 0, true, true, true).GetInputCoin(), 0, true, 0, 0, false);
     wtxn.emplace_back(std::move(wtx));
diff --git a/src/chainparamsbase.cpp b/src/chainparamsbase.cpp
index 2c517b58f8445..16311764778cd 100644
--- a/src/chainparamsbase.cpp
+++ b/src/chainparamsbase.cpp
@@ -7,7 +7,6 @@
 
 #include <tinyformat.h>
 #include <util/system.h>
-#include <util/memory.h>
 
 #include <assert.h>
 
@@ -44,13 +43,13 @@ const CBaseChainParams& BaseParams()
 std::unique_ptr<CBaseChainParams> CreateBaseChainParams(const std::string& chain)
 {
     if (chain == CBaseChainParams::MAIN) {
-        return MakeUnique<CBaseChainParams>("", 8332, 8334);
+        return std::make_unique<CBaseChainParams>("", 8332, 8334);
     } else if (chain == CBaseChainParams::TESTNET) {
-        return MakeUnique<CBaseChainParams>("testnet3", 18332, 18334);
+        return std::make_unique<CBaseChainParams>("testnet3", 18332, 18334);
     } else if (chain == CBaseChainParams::SIGNET) {
-        return MakeUnique<CBaseChainParams>("signet", 38332, 38334);
+        return std::make_unique<CBaseChainParams>("signet", 38332, 38334);
     } else if (chain == CBaseChainParams::REGTEST) {
-        return MakeUnique<CBaseChainParams>("regtest", 18443, 18445);
+        return std::make_unique<CBaseChainParams>("regtest", 18443, 18445);
     }
     throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
 }
diff --git a/src/httprpc.cpp b/src/httprpc.cpp
index cb8b220895c77..867ddb090e7c4 100644
--- a/src/httprpc.cpp
+++ b/src/httprpc.cpp
@@ -301,7 +301,7 @@ bool StartHTTPRPC(const util::Ref& context)
     }
     struct event_base* eventBase = EventBase();
     assert(eventBase);
-    httpRPCTimerInterface = MakeUnique<HTTPRPCTimerInterface>(eventBase);
+    httpRPCTimerInterface = std::make_unique<HTTPRPCTimerInterface>(eventBase);
     RPCSetTimerInterface(httpRPCTimerInterface.get());
     return true;
 }
diff --git a/src/index/blockfilterindex.cpp b/src/index/blockfilterindex.cpp
index 4f61bbeabd2e5..32271fb7ab7cb 100644
--- a/src/index/blockfilterindex.cpp
+++ b/src/index/blockfilterindex.cpp
@@ -102,8 +102,8 @@ BlockFilterIndex::BlockFilterIndex(BlockFilterType filter_type,
     fs::create_directories(path);
 
     m_name = filter_name + " block filter index";
-    m_db = MakeUnique<BaseIndex::DB>(path / "db", n_cache_size, f_memory, f_wipe);
-    m_filter_fileseq = MakeUnique<FlatFileSeq>(std::move(path), "fltr", FLTR_FILE_CHUNK_SIZE);
+    m_db = std::make_unique<BaseIndex::DB>(path / "db", n_cache_size, f_memory, f_wipe);
+    m_filter_fileseq = std::make_unique<FlatFileSeq>(std::move(path), "fltr", FLTR_FILE_CHUNK_SIZE);
 }
 
 bool BlockFilterIndex::Init()
diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp
index 6398b7edc84e7..f41985c344b3b 100644
--- a/src/index/txindex.cpp
+++ b/src/index/txindex.cpp
@@ -192,7 +192,7 @@ bool TxIndex::DB::MigrateData(CBlockTreeDB& block_tree_db, const CBlockLocator&
 }
 
 TxIndex::TxIndex(size_t n_cache_size, bool f_memory, bool f_wipe)
-    : m_db(MakeUnique<TxIndex::DB>(n_cache_size, f_memory, f_wipe))
+    : m_db(std::make_unique<TxIndex::DB>(n_cache_size, f_memory, f_wipe))
 {}
 
 TxIndex::~TxIndex() {}
diff --git a/src/init.cpp b/src/init.cpp
index 584b148affda8..b91a94bc255e4 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1350,7 +1350,7 @@ bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockA
     }
 
     assert(!node.scheduler);
-    node.scheduler = MakeUnique<CScheduler>();
+    node.scheduler = std::make_unique<CScheduler>();
 
     // Start the lightweight task scheduler thread
     node.scheduler->m_service_thread = std::thread([&] { TraceThread("scheduler", [&] { node.scheduler->serviceQueue(); }); });
@@ -1402,9 +1402,9 @@ bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockA
     const bool ignores_incoming_txs{args.GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)};
 
     assert(!node.banman);
-    node.banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", &uiInterface, args.GetArg("-bantime", DEFAULT_MISBEHAVING_BANTIME));
+    node.banman = std::make_unique<BanMan>(GetDataDir() / "banlist.dat", &uiInterface, args.GetArg("-bantime", DEFAULT_MISBEHAVING_BANTIME));
     assert(!node.connman);
-    node.connman = MakeUnique<CConnman>(GetRand(std::numeric_limits<uint64_t>::max()), GetRand(std::numeric_limits<uint64_t>::max()), args.GetBoolArg("-networkactive", true));
+    node.connman = std::make_unique<CConnman>(GetRand(std::numeric_limits<uint64_t>::max()), GetRand(std::numeric_limits<uint64_t>::max()), args.GetBoolArg("-networkactive", true));
 
     assert(!node.fee_estimator);
     // Don't initialize fee estimation with old data if we don't relay transactions,
@@ -1800,7 +1800,7 @@ bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockA
 
     // ********************************************************* Step 8: start indexers
     if (args.GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
-        g_txindex = MakeUnique<TxIndex>(nTxIndexCache, false, fReindex);
+        g_txindex = std::make_unique<TxIndex>(nTxIndexCache, false, fReindex);
         g_txindex->Start();
     }
 
diff --git a/src/interfaces/handler.cpp b/src/interfaces/handler.cpp
index 4134a4527f153..c6bbbed4450dc 100644
--- a/src/interfaces/handler.cpp
+++ b/src/interfaces/handler.cpp
@@ -4,7 +4,6 @@
 
 #include <interfaces/handler.h>
 
-#include <util/memory.h>
 
 #include <boost/signals2/connection.hpp>
 #include <utility>
@@ -35,12 +34,12 @@ class CleanupHandler : public Handler
 
 std::unique_ptr<Handler> MakeHandler(boost::signals2::connection connection)
 {
-    return MakeUnique<HandlerImpl>(std::move(connection));
+    return std::make_unique<HandlerImpl>(std::move(connection));
 }
 
 std::unique_ptr<Handler> MakeHandler(std::function<void()> cleanup)
 {
-    return MakeUnique<CleanupHandler>(std::move(cleanup));
+    return std::make_unique<CleanupHandler>(std::move(cleanup));
 }
 
 } // namespace interfaces
diff --git a/src/net.cpp b/src/net.cpp
index cf7d3e50ba51e..1e4a6a9aa783d 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2466,11 +2466,11 @@ bool CConnman::Start(CScheduler& scheduler, const Options& connOptions)
 
     if (semOutbound == nullptr) {
         // initialize semaphore
-        semOutbound = MakeUnique<CSemaphore>(std::min(m_max_outbound, nMaxConnections));
+        semOutbound = std::make_unique<CSemaphore>(std::min(m_max_outbound, nMaxConnections));
     }
     if (semAddnode == nullptr) {
         // initialize semaphore
-        semAddnode = MakeUnique<CSemaphore>(nMaxAddnode);
+        semAddnode = std::make_unique<CSemaphore>(nMaxAddnode);
     }
 
     //
@@ -2906,11 +2906,11 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, SOCKET hSocketIn, const
     hSocket = hSocketIn;
     addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn;
     if (conn_type_in != ConnectionType::BLOCK_RELAY) {
-        m_tx_relay = MakeUnique<TxRelay>();
+        m_tx_relay = std::make_unique<TxRelay>();
     }
 
     if (RelayAddrsWithConn()) {
-        m_addr_known = MakeUnique<CRollingBloomFilter>(5000, 0.001);
+        m_addr_known = std::make_unique<CRollingBloomFilter>(5000, 0.001);
     }
 
     for (const std::string &msg : getAllNetMessageTypes())
@@ -2923,8 +2923,8 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, SOCKET hSocketIn, const
         LogPrint(BCLog::NET, "Added connection peer=%d\n", id);
     }
 
-    m_deserializer = MakeUnique<V1TransportDeserializer>(V1TransportDeserializer(Params(), GetId(), SER_NETWORK, INIT_PROTO_VERSION));
-    m_serializer = MakeUnique<V1TransportSerializer>(V1TransportSerializer());
+    m_deserializer = std::make_unique<V1TransportDeserializer>(V1TransportDeserializer(Params(), GetId(), SER_NETWORK, INIT_PROTO_VERSION));
+    m_serializer = std::make_unique<V1TransportSerializer>(V1TransportSerializer());
 }
 
 CNode::~CNode()
diff --git a/src/node/interfaces.cpp b/src/node/interfaces.cpp
index 9a6cee643324f..9406ef07c5a27 100644
--- a/src/node/interfaces.cpp
+++ b/src/node/interfaces.cpp
@@ -634,7 +634,7 @@ class ChainImpl : public Chain
     }
     std::unique_ptr<Handler> handleNotifications(std::shared_ptr<Notifications> notifications) override
     {
-        return MakeUnique<NotificationsHandlerImpl>(std::move(notifications));
+        return std::make_unique<NotificationsHandlerImpl>(std::move(notifications));
     }
     void waitForNotificationsIfTipChanged(const uint256& old_tip) override
     {
@@ -647,7 +647,7 @@ class ChainImpl : public Chain
     }
     std::unique_ptr<Handler> handleRpc(const CRPCCommand& command) override
     {
-        return MakeUnique<RpcHandlerImpl>(command);
+        return std::make_unique<RpcHandlerImpl>(command);
     }
     bool rpcEnableDeprecated(const std::string& method) override { return IsDeprecatedRPCEnabled(method); }
     void rpcRunLater(const std::string& name, std::function<void()> fn, int64_t seconds) override
@@ -690,6 +690,6 @@ class ChainImpl : public Chain
 } // namespace node
 
 namespace interfaces {
-std::unique_ptr<Node> MakeNode(NodeContext* context) { return MakeUnique<node::NodeImpl>(context); }
-std::unique_ptr<Chain> MakeChain(NodeContext& context) { return MakeUnique<node::ChainImpl>(context); }
+std::unique_ptr<Node> MakeNode(NodeContext* context) { return std::make_unique<node::NodeImpl>(context); }
+std::unique_ptr<Chain> MakeChain(NodeContext& context) { return std::make_unique<node::ChainImpl>(context); }
 } // namespace interfaces
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 0aafce652849c..e401f46696c25 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -266,7 +266,7 @@ bool SendCoinsDialog::PrepareSendText(QString& question_string, QString& informa
     }
 
     // prepare transaction for getting txFee earlier
-    m_current_transaction = MakeUnique<WalletModelTransaction>(recipients);
+    m_current_transaction = std::make_unique<WalletModelTransaction>(recipients);
     WalletModel::SendCoinsReturn prepareStatus;
 
     updateCoinControlState(*m_coin_control);
diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp
index 6ab01882ac20c..889cb4f06e952 100644
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -853,7 +853,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S
             CPubKey pubkey(data);
             if (pubkey.IsFullyValid()) {
                 if (permit_uncompressed || pubkey.IsCompressed()) {
-                    return MakeUnique<ConstPubkeyProvider>(key_exp_index, pubkey);
+                    return std::make_unique<ConstPubkeyProvider>(key_exp_index, pubkey);
                 } else {
                     error = "Uncompressed keys are not allowed";
                     return nullptr;
@@ -867,7 +867,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S
             if (permit_uncompressed || key.IsCompressed()) {
                 CPubKey pubkey = key.GetPubKey();
                 out.keys.emplace(pubkey.GetID(), key);
-                return MakeUnique<ConstPubkeyProvider>(key_exp_index, pubkey);
+                return std::make_unique<ConstPubkeyProvider>(key_exp_index, pubkey);
             } else {
                 error = "Uncompressed keys are not allowed";
                 return nullptr;
@@ -894,7 +894,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S
         extpubkey = extkey.Neuter();
         out.keys.emplace(extpubkey.pubkey.GetID(), extkey.key);
     }
-    return MakeUnique<BIP32PubkeyProvider>(key_exp_index, extpubkey, std::move(path), type);
+    return std::make_unique<BIP32PubkeyProvider>(key_exp_index, extpubkey, std::move(path), type);
 }
 
 /** Parse a public key including origin information (if enabled). */
@@ -931,7 +931,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkey(uint32_t key_exp_index, const Span<c
     if (!ParseKeyPath(slash_split, info.path, error)) return nullptr;
     auto provider = ParsePubkeyInner(key_exp_index, origin_split[1], permit_uncompressed, out, error);
     if (!provider) return nullptr;
-    return MakeUnique<OriginPubkeyProvider>(key_exp_index, std::move(info), std::move(provider));
+    return std::make_unique<OriginPubkeyProvider>(key_exp_index, std::move(info), std::move(provider));
 }
 
 /** Parse a script in a particular context. */
@@ -944,17 +944,17 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
     if (Func("pk", expr)) {
         auto pubkey = ParsePubkey(key_exp_index, expr, ctx != ParseScriptContext::P2WSH, out, error);
         if (!pubkey) return nullptr;
-        return MakeUnique<PKDescriptor>(std::move(pubkey));
+        return std::make_unique<PKDescriptor>(std::move(pubkey));
     }
     if (Func("pkh", expr)) {
         auto pubkey = ParsePubkey(key_exp_index, expr, ctx != ParseScriptContext::P2WSH, out, error);
         if (!pubkey) return nullptr;
-        return MakeUnique<PKHDescriptor>(std::move(pubkey));
+        return std::make_unique<PKHDescriptor>(std::move(pubkey));
     }
     if (ctx == ParseScriptContext::TOP && Func("combo", expr)) {
         auto pubkey = ParsePubkey(key_exp_index, expr, true, out, error);
         if (!pubkey) return nullptr;
-        return MakeUnique<ComboDescriptor>(std::move(pubkey));
+        return std::make_unique<ComboDescriptor>(std::move(pubkey));
     } else if (ctx != ParseScriptContext::TOP && Func("combo", expr)) {
         error = "Cannot have combo in non-top level";
         return nullptr;
@@ -1002,12 +1002,12 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
                 return nullptr;
             }
         }
-        return MakeUnique<MultisigDescriptor>(thres, std::move(providers), sorted_multi);
+        return std::make_unique<MultisigDescriptor>(thres, std::move(providers), sorted_multi);
     }
     if (ctx != ParseScriptContext::P2WSH && Func("wpkh", expr)) {
         auto pubkey = ParsePubkey(key_exp_index, expr, false, out, error);
         if (!pubkey) return nullptr;
-        return MakeUnique<WPKHDescriptor>(std::move(pubkey));
+        return std::make_unique<WPKHDescriptor>(std::move(pubkey));
     } else if (ctx == ParseScriptContext::P2WSH && Func("wpkh", expr)) {
         error = "Cannot have wpkh within wsh";
         return nullptr;
@@ -1015,7 +1015,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
     if (ctx == ParseScriptContext::TOP && Func("sh", expr)) {
         auto desc = ParseScript(key_exp_index, expr, ParseScriptContext::P2SH, out, error);
         if (!desc || expr.size()) return nullptr;
-        return MakeUnique<SHDescriptor>(std::move(desc));
+        return std::make_unique<SHDescriptor>(std::move(desc));
     } else if (ctx != ParseScriptContext::TOP && Func("sh", expr)) {
         error = "Cannot have sh in non-top level";
         return nullptr;
@@ -1023,7 +1023,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
     if (ctx != ParseScriptContext::P2WSH && Func("wsh", expr)) {
         auto desc = ParseScript(key_exp_index, expr, ParseScriptContext::P2WSH, out, error);
         if (!desc || expr.size()) return nullptr;
-        return MakeUnique<WSHDescriptor>(std::move(desc));
+        return std::make_unique<WSHDescriptor>(std::move(desc));
     } else if (ctx == ParseScriptContext::P2WSH && Func("wsh", expr)) {
         error = "Cannot have wsh within wsh";
         return nullptr;
@@ -1034,7 +1034,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
             error = "Address is not valid";
             return nullptr;
         }
-        return MakeUnique<AddressDescriptor>(std::move(dest));
+        return std::make_unique<AddressDescriptor>(std::move(dest));
     }
     if (ctx == ParseScriptContext::TOP && Func("raw", expr)) {
         std::string str(expr.begin(), expr.end());
@@ -1043,7 +1043,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
             return nullptr;
         }
         auto bytes = ParseHex(str);
-        return MakeUnique<RawDescriptor>(CScript(bytes.begin(), bytes.end()));
+        return std::make_unique<RawDescriptor>(CScript(bytes.begin(), bytes.end()));
     }
     if (ctx == ParseScriptContext::P2SH) {
         error = "A function is needed within P2SH";
@@ -1058,10 +1058,10 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c
 
 std::unique_ptr<PubkeyProvider> InferPubkey(const CPubKey& pubkey, ParseScriptContext, const SigningProvider& provider)
 {
-    std::unique_ptr<PubkeyProvider> key_provider = MakeUnique<ConstPubkeyProvider>(0, pubkey);
+    std::unique_ptr<PubkeyProvider> key_provider = std::make_unique<ConstPubkeyProvider>(0, pubkey);
     KeyOriginInfo info;
     if (provider.GetKeyOrigin(pubkey.GetID(), info)) {
-        return MakeUnique<OriginPubkeyProvider>(0, std::move(info), std::move(key_provider));
+        return std::make_unique<OriginPubkeyProvider>(0, std::move(info), std::move(key_provider));
     }
     return key_provider;
 }
@@ -1074,7 +1074,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
     if (txntype == TxoutType::PUBKEY) {
         CPubKey pubkey(data[0].begin(), data[0].end());
         if (pubkey.IsValid()) {
-            return MakeUnique<PKDescriptor>(InferPubkey(pubkey, ctx, provider));
+            return std::make_unique<PKDescriptor>(InferPubkey(pubkey, ctx, provider));
         }
     }
     if (txntype == TxoutType::PUBKEYHASH) {
@@ -1082,7 +1082,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
         CKeyID keyid(hash);
         CPubKey pubkey;
         if (provider.GetPubKey(keyid, pubkey)) {
-            return MakeUnique<PKHDescriptor>(InferPubkey(pubkey, ctx, provider));
+            return std::make_unique<PKHDescriptor>(InferPubkey(pubkey, ctx, provider));
         }
     }
     if (txntype == TxoutType::WITNESS_V0_KEYHASH && ctx != ParseScriptContext::P2WSH) {
@@ -1090,7 +1090,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
         CKeyID keyid(hash);
         CPubKey pubkey;
         if (provider.GetPubKey(keyid, pubkey)) {
-            return MakeUnique<WPKHDescriptor>(InferPubkey(pubkey, ctx, provider));
+            return std::make_unique<WPKHDescriptor>(InferPubkey(pubkey, ctx, provider));
         }
     }
     if (txntype == TxoutType::MULTISIG) {
@@ -1099,7 +1099,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
             CPubKey pubkey(data[i].begin(), data[i].end());
             providers.push_back(InferPubkey(pubkey, ctx, provider));
         }
-        return MakeUnique<MultisigDescriptor>((int)data[0][0], std::move(providers));
+        return std::make_unique<MultisigDescriptor>((int)data[0][0], std::move(providers));
     }
     if (txntype == TxoutType::SCRIPTHASH && ctx == ParseScriptContext::TOP) {
         uint160 hash(data[0]);
@@ -1107,7 +1107,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
         CScript subscript;
         if (provider.GetCScript(scriptid, subscript)) {
             auto sub = InferScript(subscript, ParseScriptContext::P2SH, provider);
-            if (sub) return MakeUnique<SHDescriptor>(std::move(sub));
+            if (sub) return std::make_unique<SHDescriptor>(std::move(sub));
         }
     }
     if (txntype == TxoutType::WITNESS_V0_SCRIPTHASH && ctx != ParseScriptContext::P2WSH) {
@@ -1116,18 +1116,18 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
         CScript subscript;
         if (provider.GetCScript(scriptid, subscript)) {
             auto sub = InferScript(subscript, ParseScriptContext::P2WSH, provider);
-            if (sub) return MakeUnique<WSHDescriptor>(std::move(sub));
+            if (sub) return std::make_unique<WSHDescriptor>(std::move(sub));
         }
     }
 
     CTxDestination dest;
     if (ExtractDestination(script, dest)) {
         if (GetScriptForDestination(dest) == script) {
-            return MakeUnique<AddressDescriptor>(std::move(dest));
+            return std::make_unique<AddressDescriptor>(std::move(dest));
         }
     }
 
-    return MakeUnique<RawDescriptor>(script);
+    return std::make_unique<RawDescriptor>(script);
 }
 
 
diff --git a/src/test/allocator_tests.cpp b/src/test/allocator_tests.cpp
index d33d668a04e69..b523173a4526b 100644
--- a/src/test/allocator_tests.cpp
+++ b/src/test/allocator_tests.cpp
@@ -2,7 +2,6 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <util/memory.h>
 #include <util/system.h>
 
 #include <test/util/setup_common.h>
@@ -163,7 +162,7 @@ class TestLockedPageAllocator: public LockedPageAllocator
 BOOST_AUTO_TEST_CASE(lockedpool_tests_mock)
 {
     // Test over three virtual arenas, of which one will succeed being locked
-    std::unique_ptr<LockedPageAllocator> x = MakeUnique<TestLockedPageAllocator>(3, 1);
+    std::unique_ptr<LockedPageAllocator> x = std::make_unique<TestLockedPageAllocator>(3, 1);
     LockedPool pool(std::move(x));
     BOOST_CHECK(pool.stats().total == 0);
     BOOST_CHECK(pool.stats().locked == 0);
diff --git a/src/test/checkqueue_tests.cpp b/src/test/checkqueue_tests.cpp
index 21921375b3eae..64c6d7f634964 100644
--- a/src/test/checkqueue_tests.cpp
+++ b/src/test/checkqueue_tests.cpp
@@ -5,7 +5,6 @@
 #include <checkqueue.h>
 #include <sync.h>
 #include <test/util/setup_common.h>
-#include <util/memory.h>
 #include <util/system.h>
 #include <util/time.h>
 
@@ -146,7 +145,7 @@ typedef CCheckQueue<FrozenCleanupCheck> FrozenCleanup_Queue;
  */
 static void Correct_Queue_range(std::vector<size_t> range)
 {
-    auto small_queue = MakeUnique<Correct_Queue>(QUEUE_BATCH_SIZE);
+    auto small_queue = std::make_unique<Correct_Queue>(QUEUE_BATCH_SIZE);
     small_queue->StartWorkerThreads(SCRIPT_CHECK_THREADS);
     // Make vChecks here to save on malloc (this test can be slow...)
     std::vector<FakeCheckCheckCompletion> vChecks;
@@ -206,7 +205,7 @@ BOOST_AUTO_TEST_CASE(test_CheckQueue_Correct_Random)
 /** Test that failing checks are caught */
 BOOST_AUTO_TEST_CASE(test_CheckQueue_Catches_Failure)
 {
-    auto fail_queue = MakeUnique<Failing_Queue>(QUEUE_BATCH_SIZE);
+    auto fail_queue = std::make_unique<Failing_Queue>(QUEUE_BATCH_SIZE);
     fail_queue->StartWorkerThreads(SCRIPT_CHECK_THREADS);
 
     for (size_t i = 0; i < 1001; ++i) {
@@ -234,7 +233,7 @@ BOOST_AUTO_TEST_CASE(test_CheckQueue_Catches_Failure)
 // future blocks, ie, the bad state is cleared.
 BOOST_AUTO_TEST_CASE(test_CheckQueue_Recovers_From_Failure)
 {
-    auto fail_queue = MakeUnique<Failing_Queue>(QUEUE_BATCH_SIZE);
+    auto fail_queue = std::make_unique<Failing_Queue>(QUEUE_BATCH_SIZE);
     fail_queue->StartWorkerThreads(SCRIPT_CHECK_THREADS);
 
     for (auto times = 0; times < 10; ++times) {
@@ -258,7 +257,7 @@ BOOST_AUTO_TEST_CASE(test_CheckQueue_Recovers_From_Failure)
 // more than once as well
 BOOST_AUTO_TEST_CASE(test_CheckQueue_UniqueCheck)
 {
-    auto queue = MakeUnique<Unique_Queue>(QUEUE_BATCH_SIZE);
+    auto queue = std::make_unique<Unique_Queue>(QUEUE_BATCH_SIZE);
     queue->StartWorkerThreads(SCRIPT_CHECK_THREADS);
 
     size_t COUNT = 100000;
@@ -293,7 +292,7 @@ BOOST_AUTO_TEST_CASE(test_CheckQueue_UniqueCheck)
 // time could leave the data hanging across a sequence of blocks.
 BOOST_AUTO_TEST_CASE(test_CheckQueue_Memory)
 {
-    auto queue = MakeUnique<Memory_Queue>(QUEUE_BATCH_SIZE);
+    auto queue = std::make_unique<Memory_Queue>(QUEUE_BATCH_SIZE);
     queue->StartWorkerThreads(SCRIPT_CHECK_THREADS);
     for (size_t i = 0; i < 1000; ++i) {
         size_t total = i;
@@ -320,7 +319,7 @@ BOOST_AUTO_TEST_CASE(test_CheckQueue_Memory)
 // have been destructed
 BOOST_AUTO_TEST_CASE(test_CheckQueue_FrozenCleanup)
 {
-    auto queue = MakeUnique<FrozenCleanup_Queue>(QUEUE_BATCH_SIZE);
+    auto queue = std::make_unique<FrozenCleanup_Queue>(QUEUE_BATCH_SIZE);
     bool fails = false;
     queue->StartWorkerThreads(SCRIPT_CHECK_THREADS);
     std::thread t0([&]() {
@@ -360,7 +359,7 @@ BOOST_AUTO_TEST_CASE(test_CheckQueue_FrozenCleanup)
 /** Test that CCheckQueueControl is threadsafe */
 BOOST_AUTO_TEST_CASE(test_CheckQueueControl_Locks)
 {
-    auto queue = MakeUnique<Standard_Queue>(QUEUE_BATCH_SIZE);
+    auto queue = std::make_unique<Standard_Queue>(QUEUE_BATCH_SIZE);
     {
         std::vector<std::thread> tg;
         std::atomic<int> nThreads {0};
diff --git a/src/test/dbwrapper_tests.cpp b/src/test/dbwrapper_tests.cpp
index 3d802cbeb3ab0..a6080ad3ddb9a 100644
--- a/src/test/dbwrapper_tests.cpp
+++ b/src/test/dbwrapper_tests.cpp
@@ -5,7 +5,6 @@
 #include <dbwrapper.h>
 #include <test/util/setup_common.h>
 #include <uint256.h>
-#include <util/memory.h>
 
 #include <memory>
 
@@ -207,7 +206,7 @@ BOOST_AUTO_TEST_CASE(existing_data_no_obfuscate)
     create_directories(ph);
 
     // Set up a non-obfuscated wrapper to write some initial data.
-    std::unique_ptr<CDBWrapper> dbw = MakeUnique<CDBWrapper>(ph, (1 << 10), false, false, false);
+    std::unique_ptr<CDBWrapper> dbw = std::make_unique<CDBWrapper>(ph, (1 << 10), false, false, false);
     char key = 'k';
     uint256 in = InsecureRand256();
     uint256 res;
@@ -248,7 +247,7 @@ BOOST_AUTO_TEST_CASE(existing_data_reindex)
     create_directories(ph);
 
     // Set up a non-obfuscated wrapper to write some initial data.
-    std::unique_ptr<CDBWrapper> dbw = MakeUnique<CDBWrapper>(ph, (1 << 10), false, false, false);
+    std::unique_ptr<CDBWrapper> dbw = std::make_unique<CDBWrapper>(ph, (1 << 10), false, false, false);
     char key = 'k';
     uint256 in = InsecureRand256();
     uint256 res;
diff --git a/src/test/denialofservice_tests.cpp b/src/test/denialofservice_tests.cpp
index 5906913b58b8f..e75982bc6fe2f 100644
--- a/src/test/denialofservice_tests.cpp
+++ b/src/test/denialofservice_tests.cpp
@@ -15,7 +15,6 @@
 #include <script/standard.h>
 #include <serialize.h>
 #include <txorphanage.h>
-#include <util/memory.h>
 #include <util/string.h>
 #include <util/system.h>
 #include <util/time.h>
@@ -68,7 +67,7 @@ BOOST_FIXTURE_TEST_SUITE(denialofservice_tests, TestingSetup)
 BOOST_AUTO_TEST_CASE(outbound_slow_chain_eviction)
 {
     const CChainParams& chainparams = Params();
-    auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
+    auto connman = std::make_unique<CConnman>(0x1337, 0x1337);
     auto peerLogic = PeerManager::make(chainparams, *connman, nullptr, *m_node.scheduler,
                                        *m_node.chainman, *m_node.mempool, false);
 
@@ -138,7 +137,7 @@ static void AddRandomOutboundPeer(std::vector<CNode *> &vNodes, PeerManager &pee
 BOOST_AUTO_TEST_CASE(stale_tip_peer_management)
 {
     const CChainParams& chainparams = Params();
-    auto connman = MakeUnique<CConnmanTest>(0x1337, 0x1337);
+    auto connman = std::make_unique<CConnmanTest>(0x1337, 0x1337);
     auto peerLogic = PeerManager::make(chainparams, *connman, nullptr, *m_node.scheduler,
                                        *m_node.chainman, *m_node.mempool, false);
 
@@ -211,8 +210,8 @@ BOOST_AUTO_TEST_CASE(stale_tip_peer_management)
 BOOST_AUTO_TEST_CASE(peer_discouragement)
 {
     const CChainParams& chainparams = Params();
-    auto banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
-    auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
+    auto banman = std::make_unique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
+    auto connman = std::make_unique<CConnman>(0x1337, 0x1337);
     auto peerLogic = PeerManager::make(chainparams, *connman, banman.get(), *m_node.scheduler,
                                        *m_node.chainman, *m_node.mempool, false);
 
@@ -258,8 +257,8 @@ BOOST_AUTO_TEST_CASE(peer_discouragement)
 BOOST_AUTO_TEST_CASE(DoS_bantime)
 {
     const CChainParams& chainparams = Params();
-    auto banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
-    auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
+    auto banman = std::make_unique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
+    auto connman = std::make_unique<CConnman>(0x1337, 0x1337);
     auto peerLogic = PeerManager::make(chainparams, *connman, banman.get(), *m_node.scheduler,
                                        *m_node.chainman, *m_node.mempool, false);
 
diff --git a/src/test/fuzz/descriptor_parse.cpp b/src/test/fuzz/descriptor_parse.cpp
index 0d1921f2853d3..ffe48556623c0 100644
--- a/src/test/fuzz/descriptor_parse.cpp
+++ b/src/test/fuzz/descriptor_parse.cpp
@@ -6,7 +6,6 @@
 #include <pubkey.h>
 #include <script/descriptor.h>
 #include <test/fuzz/fuzz.h>
-#include <util/memory.h>
 
 void initialize_descriptor_parse()
 {
diff --git a/src/test/fuzz/eval_script.cpp b/src/test/fuzz/eval_script.cpp
index 635288fc36335..77ed7989232e5 100644
--- a/src/test/fuzz/eval_script.cpp
+++ b/src/test/fuzz/eval_script.cpp
@@ -6,7 +6,6 @@
 #include <script/interpreter.h>
 #include <test/fuzz/FuzzedDataProvider.h>
 #include <test/fuzz/fuzz.h>
-#include <util/memory.h>
 
 #include <limits>
 
diff --git a/src/test/fuzz/key.cpp b/src/test/fuzz/key.cpp
index aa8f826e4ae9c..32077b1fe2c90 100644
--- a/src/test/fuzz/key.cpp
+++ b/src/test/fuzz/key.cpp
@@ -17,7 +17,6 @@
 #include <script/standard.h>
 #include <streams.h>
 #include <test/fuzz/fuzz.h>
-#include <util/memory.h>
 #include <util/strencodings.h>
 
 #include <cassert>
diff --git a/src/test/fuzz/parse_univalue.cpp b/src/test/fuzz/parse_univalue.cpp
index afe382ba211ac..3fffaac8d0341 100644
--- a/src/test/fuzz/parse_univalue.cpp
+++ b/src/test/fuzz/parse_univalue.cpp
@@ -7,7 +7,6 @@
 #include <rpc/client.h>
 #include <rpc/util.h>
 #include <test/fuzz/fuzz.h>
-#include <util/memory.h>
 
 #include <limits>
 #include <string>
diff --git a/src/test/fuzz/process_message.cpp b/src/test/fuzz/process_message.cpp
index 0289d49ccca49..04fc6da9b10b4 100644
--- a/src/test/fuzz/process_message.cpp
+++ b/src/test/fuzz/process_message.cpp
@@ -19,7 +19,6 @@
 #include <test/util/setup_common.h>
 #include <test/util/validation.h>
 #include <txorphanage.h>
-#include <util/memory.h>
 #include <validationinterface.h>
 #include <version.h>
 
diff --git a/src/test/fuzz/process_messages.cpp b/src/test/fuzz/process_messages.cpp
index 617a71ea608b8..ee402dba38d7b 100644
--- a/src/test/fuzz/process_messages.cpp
+++ b/src/test/fuzz/process_messages.cpp
@@ -14,7 +14,6 @@
 #include <test/util/setup_common.h>
 #include <test/util/validation.h>
 #include <txorphanage.h>
-#include <util/memory.h>
 #include <validation.h>
 #include <validationinterface.h>
 
diff --git a/src/test/fuzz/psbt.cpp b/src/test/fuzz/psbt.cpp
index 0b4588c4ce5df..eb2754054a361 100644
--- a/src/test/fuzz/psbt.cpp
+++ b/src/test/fuzz/psbt.cpp
@@ -10,7 +10,6 @@
 #include <pubkey.h>
 #include <script/script.h>
 #include <streams.h>
-#include <util/memory.h>
 #include <version.h>
 
 #include <cstdint>
diff --git a/src/test/fuzz/script.cpp b/src/test/fuzz/script.cpp
index 193862e847331..8219a04e49d39 100644
--- a/src/test/fuzz/script.cpp
+++ b/src/test/fuzz/script.cpp
@@ -20,7 +20,6 @@
 #include <test/fuzz/fuzz.h>
 #include <test/fuzz/util.h>
 #include <univalue.h>
-#include <util/memory.h>
 
 #include <algorithm>
 #include <cassert>
diff --git a/src/test/fuzz/script_flags.cpp b/src/test/fuzz/script_flags.cpp
index ce8915ca2c8b8..561230707c82b 100644
--- a/src/test/fuzz/script_flags.cpp
+++ b/src/test/fuzz/script_flags.cpp
@@ -5,7 +5,6 @@
 #include <pubkey.h>
 #include <script/interpreter.h>
 #include <streams.h>
-#include <util/memory.h>
 #include <version.h>
 
 #include <test/fuzz/fuzz.h>
diff --git a/src/test/fuzz/signature_checker.cpp b/src/test/fuzz/signature_checker.cpp
index 3e7b72805eca4..7b57c5dfd81ef 100644
--- a/src/test/fuzz/signature_checker.cpp
+++ b/src/test/fuzz/signature_checker.cpp
@@ -6,7 +6,6 @@
 #include <script/interpreter.h>
 #include <test/fuzz/FuzzedDataProvider.h>
 #include <test/fuzz/fuzz.h>
-#include <util/memory.h>
 
 #include <cstdint>
 #include <limits>
@@ -15,7 +14,7 @@
 
 void initialize_signature_checker()
 {
-    static const auto verify_handle = MakeUnique<ECCVerifyHandle>();
+    static const auto verify_handle = std::make_unique<ECCVerifyHandle>();
 }
 
 namespace {
diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp
index a29c6a266564a..167242a971ee9 100644
--- a/src/test/net_tests.cpp
+++ b/src/test/net_tests.cpp
@@ -14,7 +14,6 @@
 #include <span.h>
 #include <streams.h>
 #include <test/util/setup_common.h>
-#include <util/memory.h>
 #include <util/strencodings.h>
 #include <util/string.h>
 #include <util/system.h>
@@ -188,7 +187,7 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
     CAddress addr = CAddress(CService(ipv4Addr, 7777), NODE_NETWORK);
     std::string pszDest;
 
-    std::unique_ptr<CNode> pnode1 = MakeUnique<CNode>(
+    std::unique_ptr<CNode> pnode1 = std::make_unique<CNode>(
         id++, NODE_NETWORK, hSocket, addr,
         /* nKeyedNetGroupIn = */ 0,
         /* nLocalHostNonceIn = */ 0,
@@ -203,7 +202,7 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
     BOOST_CHECK(pnode1->m_inbound_onion == false);
     BOOST_CHECK_EQUAL(pnode1->ConnectedThroughNetwork(), Network::NET_IPV4);
 
-    std::unique_ptr<CNode> pnode2 = MakeUnique<CNode>(
+    std::unique_ptr<CNode> pnode2 = std::make_unique<CNode>(
         id++, NODE_NETWORK, hSocket, addr,
         /* nKeyedNetGroupIn = */ 1,
         /* nLocalHostNonceIn = */ 1,
@@ -218,7 +217,7 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
     BOOST_CHECK(pnode2->m_inbound_onion == false);
     BOOST_CHECK_EQUAL(pnode2->ConnectedThroughNetwork(), Network::NET_IPV4);
 
-    std::unique_ptr<CNode> pnode3 = MakeUnique<CNode>(
+    std::unique_ptr<CNode> pnode3 = std::make_unique<CNode>(
         id++, NODE_NETWORK, hSocket, addr,
         /* nKeyedNetGroupIn = */ 0,
         /* nLocalHostNonceIn = */ 0,
@@ -233,7 +232,7 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
     BOOST_CHECK(pnode3->m_inbound_onion == false);
     BOOST_CHECK_EQUAL(pnode3->ConnectedThroughNetwork(), Network::NET_IPV4);
 
-    std::unique_ptr<CNode> pnode4 = MakeUnique<CNode>(
+    std::unique_ptr<CNode> pnode4 = std::make_unique<CNode>(
         id++, NODE_NETWORK, hSocket, addr,
         /* nKeyedNetGroupIn = */ 1,
         /* nLocalHostNonceIn = */ 1,
@@ -711,7 +710,7 @@ BOOST_AUTO_TEST_CASE(ipv4_peer_with_ipv6_addrMe_test)
     in_addr ipv4AddrPeer;
     ipv4AddrPeer.s_addr = 0xa0b0c001;
     CAddress addr = CAddress(CService(ipv4AddrPeer, 7777), NODE_NETWORK);
-    std::unique_ptr<CNode> pnode = MakeUnique<CNode>(0, NODE_NETWORK, INVALID_SOCKET, addr, /* nKeyedNetGroupIn */ 0, /* nLocalHostNonceIn */ 0, CAddress{}, /* pszDest */ std::string{}, ConnectionType::OUTBOUND_FULL_RELAY, /* inbound_onion */ false);
+    std::unique_ptr<CNode> pnode = std::make_unique<CNode>(0, NODE_NETWORK, INVALID_SOCKET, addr, /* nKeyedNetGroupIn */ 0, /* nLocalHostNonceIn */ 0, CAddress{}, /* pszDest */ std::string{}, ConnectionType::OUTBOUND_FULL_RELAY, /* inbound_onion */ false);
     pnode->fSuccessfullyConnected.store(true);
 
     // the peer claims to be reaching us via IPv6
diff --git a/src/test/util/logging.cpp b/src/test/util/logging.cpp
index c1dd47f06cf88..66f4efc139f94 100644
--- a/src/test/util/logging.cpp
+++ b/src/test/util/logging.cpp
@@ -7,7 +7,6 @@
 #include <logging.h>
 #include <noui.h>
 #include <tinyformat.h>
-#include <util/memory.h>
 
 #include <stdexcept>
 
diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index f2174cd0840f7..f866c2a1f9143 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -25,7 +25,6 @@
 #include <script/sigcache.h>
 #include <streams.h>
 #include <txdb.h>
-#include <util/memory.h>
 #include <util/strencodings.h>
 #include <util/string.h>
 #include <util/time.h>
@@ -131,7 +130,7 @@ ChainTestingSetup::ChainTestingSetup(const std::string& chainName, const std::ve
 {
     // We have to run a scheduler thread to prevent ActivateBestChain
     // from blocking due to queue overrun.
-    m_node.scheduler = MakeUnique<CScheduler>();
+    m_node.scheduler = std::make_unique<CScheduler>();
     m_node.scheduler->m_service_thread = std::thread([&] { TraceThread("scheduler", [&] { m_node.scheduler->serviceQueue(); }); });
     GetMainSignals().RegisterBackgroundSignalScheduler(*m_node.scheduler);
 
@@ -188,8 +187,8 @@ TestingSetup::TestingSetup(const std::string& chainName, const std::vector<const
         throw std::runtime_error(strprintf("ActivateBestChain failed. (%s)", state.ToString()));
     }
 
-    m_node.banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
-    m_node.connman = MakeUnique<CConnman>(0x1337, 0x1337); // Deterministic randomness for tests.
+    m_node.banman = std::make_unique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
+    m_node.connman = std::make_unique<CConnman>(0x1337, 0x1337); // Deterministic randomness for tests.
     m_node.peerman = PeerManager::make(chainparams, *m_node.connman, m_node.banman.get(),
                                        *m_node.scheduler, *m_node.chainman, *m_node.mempool,
                                        false);
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index 5a46002a79d38..b742fcaf0b940 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -71,7 +71,7 @@ BOOST_AUTO_TEST_CASE(util_datadir)
 BOOST_AUTO_TEST_CASE(util_check)
 {
     // Check that Assert can forward
-    const std::unique_ptr<int> p_two = Assert(MakeUnique<int>(2));
+    const std::unique_ptr<int> p_two = Assert(std::make_unique<int>(2));
     // Check that Assert works on lvalues and rvalues
     const int two = *Assert(p_two);
     Assert(two == 2);
diff --git a/src/txdb.cpp b/src/txdb.cpp
index 4b4766e1ba704..3a08e28c013b7 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -10,7 +10,6 @@
 #include <random.h>
 #include <shutdown.h>
 #include <uint256.h>
-#include <util/memory.h>
 #include <util/system.h>
 #include <util/translation.h>
 #include <util/vector.h>
@@ -41,7 +40,7 @@ struct CoinEntry {
 }
 
 CCoinsViewDB::CCoinsViewDB(fs::path ldb_path, size_t nCacheSize, bool fMemory, bool fWipe) :
-    m_db(MakeUnique<CDBWrapper>(ldb_path, nCacheSize, fMemory, fWipe, true)),
+    m_db(std::make_unique<CDBWrapper>(ldb_path, nCacheSize, fMemory, fWipe, true)),
     m_ldb_path(ldb_path),
     m_is_memory(fMemory) { }
 
@@ -53,7 +52,7 @@ void CCoinsViewDB::ResizeCache(size_t new_cache_size)
         // Have to do a reset first to get the original `m_db` state to release its
         // filesystem lock.
         m_db.reset();
-        m_db = MakeUnique<CDBWrapper>(
+        m_db = std::make_unique<CDBWrapper>(
             m_ldb_path, new_cache_size, m_is_memory, /*fWipe*/ false, /*obfuscate*/ true);
     }
 }
diff --git a/src/txrequest.cpp b/src/txrequest.cpp
index e54c073328d3a..58424134b0259 100644
--- a/src/txrequest.cpp
+++ b/src/txrequest.cpp
@@ -9,7 +9,6 @@
 #include <primitives/transaction.h>
 #include <random.h>
 #include <uint256.h>
-#include <util/memory.h>
 
 #include <boost/multi_index_container.hpp>
 #include <boost/multi_index/ordered_index.hpp>
@@ -711,7 +710,7 @@ class TxRequestTracker::Impl {
 };
 
 TxRequestTracker::TxRequestTracker(bool deterministic) :
-    m_impl{MakeUnique<TxRequestTracker::Impl>(deterministic)} {}
+    m_impl{std::make_unique<TxRequestTracker::Impl>(deterministic)} {}
 
 TxRequestTracker::~TxRequestTracker() = default;
 
diff --git a/src/util/memory.h b/src/util/memory.h
deleted file mode 100644
index f21b81bade23f..0000000000000
--- a/src/util/memory.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2020 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef BITCOIN_UTIL_MEMORY_H
-#define BITCOIN_UTIL_MEMORY_H
-
-#include <memory>
-#include <utility>
-
-//! Substitute for C++14 std::make_unique.
-//! DEPRECATED use std::make_unique in new code.
-template <typename T, typename... Args>
-std::unique_ptr<T> MakeUnique(Args&&... args)
-{
-    return std::make_unique<T>(std::forward<Args>(args)...);
-}
-
-#endif
diff --git a/src/util/system.cpp b/src/util/system.cpp
index 71453eed81f8a..63b3c52ee5cb4 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -100,7 +100,7 @@ bool LockDirectory(const fs::path& directory, const std::string lockfile_name, b
     // Create empty lock file if it doesn't exist.
     FILE* file = fsbridge::fopen(pathLockFile, "a");
     if (file) fclose(file);
-    auto lock = MakeUnique<fsbridge::FileLock>(pathLockFile);
+    auto lock = std::make_unique<fsbridge::FileLock>(pathLockFile);
     if (!lock->TryLock()) {
         return error("Error while attempting to lock directory %s: %s", directory.string(), lock->GetReason());
     }
diff --git a/src/util/system.h b/src/util/system.h
index de47b93b6e178..30b8cb1c68a4f 100644
--- a/src/util/system.h
+++ b/src/util/system.h
@@ -22,7 +22,6 @@
 #include <optional.h>
 #include <sync.h>
 #include <tinyformat.h>
-#include <util/memory.h>
 #include <util/settings.h>
 #include <util/threadnames.h>
 #include <util/time.h>
diff --git a/src/validation.cpp b/src/validation.cpp
index 0c3aeced9337e..be0be904e9e33 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1287,7 +1287,7 @@ CoinsViews::CoinsViews(
 
 void CoinsViews::InitCache()
 {
-    m_cacheview = MakeUnique<CCoinsViewCache>(&m_catcherview);
+    m_cacheview = std::make_unique<CCoinsViewCache>(&m_catcherview);
 }
 
 CChainState::CChainState(CTxMemPool& mempool, BlockManager& blockman, uint256 from_snapshot_blockhash)
@@ -1305,7 +1305,7 @@ void CChainState::InitCoinsDB(
         leveldb_name += "_" + m_from_snapshot_blockhash.ToString();
     }
 
-    m_coins_views = MakeUnique<CoinsViews>(
+    m_coins_views = std::make_unique<CoinsViews>(
         leveldb_name, cache_size_bytes, in_memory, should_wipe);
 }
 
@@ -5279,7 +5279,7 @@ bool ChainstateManager::ActivateSnapshot(
             static_cast<size_t>(current_coinsdb_cache_size * IBD_CACHE_PERC));
     }
 
-    auto snapshot_chainstate = WITH_LOCK(::cs_main, return MakeUnique<CChainState>(
+    auto snapshot_chainstate = WITH_LOCK(::cs_main, return std::make_unique<CChainState>(
             this->ActiveChainstate().m_mempool, m_blockman, base_blockhash));
 
     {
diff --git a/src/wallet/bdb.cpp b/src/wallet/bdb.cpp
index ad40e6da9acd4..1dc23374e319e 100644
--- a/src/wallet/bdb.cpp
+++ b/src/wallet/bdb.cpp
@@ -331,7 +331,7 @@ void BerkeleyDatabase::Open()
 
         if (m_db == nullptr) {
             int ret;
-            std::unique_ptr<Db> pdb_temp = MakeUnique<Db>(env->dbenv.get(), 0);
+            std::unique_ptr<Db> pdb_temp = std::make_unique<Db>(env->dbenv.get(), 0);
 
             bool fMockDb = env->IsMock();
             if (fMockDb) {
@@ -462,7 +462,7 @@ bool BerkeleyDatabase::Rewrite(const char* pszSkip)
                 std::string strFileRes = strFile + ".rewrite";
                 { // surround usage of db with extra {}
                     BerkeleyBatch db(*this, true);
-                    std::unique_ptr<Db> pdbCopy = MakeUnique<Db>(env->dbenv.get(), 0);
+                    std::unique_ptr<Db> pdbCopy = std::make_unique<Db>(env->dbenv.get(), 0);
 
                     int ret = pdbCopy->open(nullptr,               // Txn pointer
                                             strFileRes.c_str(), // Filename
@@ -819,7 +819,7 @@ void BerkeleyDatabase::RemoveRef()
 
 std::unique_ptr<DatabaseBatch> BerkeleyDatabase::MakeBatch(bool flush_on_close)
 {
-    return MakeUnique<BerkeleyBatch>(*this, false, flush_on_close);
+    return std::make_unique<BerkeleyBatch>(*this, false, flush_on_close);
 }
 
 std::unique_ptr<BerkeleyDatabase> MakeBerkeleyDatabase(const fs::path& path, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error)
@@ -835,7 +835,7 @@ std::unique_ptr<BerkeleyDatabase> MakeBerkeleyDatabase(const fs::path& path, con
             status = DatabaseStatus::FAILED_ALREADY_LOADED;
             return nullptr;
         }
-        db = MakeUnique<BerkeleyDatabase>(std::move(env), std::move(data_filename));
+        db = std::make_unique<BerkeleyDatabase>(std::move(env), std::move(data_filename));
     }
 
     if (options.verify && !db->Verify(error)) {
diff --git a/src/wallet/db.h b/src/wallet/db.h
index 2c75486a44b9c..b64e9fa53378a 100644
--- a/src/wallet/db.h
+++ b/src/wallet/db.h
@@ -11,7 +11,6 @@
 #include <optional.h>
 #include <streams.h>
 #include <support/allocators/secure.h>
-#include <util/memory.h>
 
 #include <atomic>
 #include <memory>
@@ -193,7 +192,7 @@ class DummyDatabase : public WalletDatabase
     void ReloadDbEnv() override {}
     std::string Filename() override { return "dummy"; }
     std::string Format() override { return "dummy"; }
-    std::unique_ptr<DatabaseBatch> MakeBatch(bool flush_on_close = true) override { return MakeUnique<DummyBatch>(); }
+    std::unique_ptr<DatabaseBatch> MakeBatch(bool flush_on_close = true) override { return std::make_unique<DummyBatch>(); }
 };
 
 enum class DatabaseFormat {
diff --git a/src/wallet/interfaces.cpp b/src/wallet/interfaces.cpp
index 1fb789b128a47..ada586119a4c3 100644
--- a/src/wallet/interfaces.cpp
+++ b/src/wallet/interfaces.cpp
@@ -588,10 +588,10 @@ class WalletClientImpl : public WalletClient
 } // namespace wallet
 
 namespace interfaces {
-std::unique_ptr<Wallet> MakeWallet(const std::shared_ptr<CWallet>& wallet) { return wallet ? MakeUnique<wallet::WalletImpl>(wallet) : nullptr; }
+std::unique_ptr<Wallet> MakeWallet(const std::shared_ptr<CWallet>& wallet) { return wallet ? std::make_unique<wallet::WalletImpl>(wallet) : nullptr; }
 
 std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, ArgsManager& args)
 {
-    return MakeUnique<wallet::WalletClientImpl>(chain, args);
+    return std::make_unique<wallet::WalletClientImpl>(chain, args);
 }
 } // namespace interfaces
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 60f76465a6f04..50423c3e32518 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -982,14 +982,14 @@ static UniValue ProcessImportLegacy(ImportData& import_data, std::map<CKeyID, CP
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script \"" + strRedeemScript + "\": must be hex string");
         }
         auto parsed_redeemscript = ParseHex(strRedeemScript);
-        import_data.redeemscript = MakeUnique<CScript>(parsed_redeemscript.begin(), parsed_redeemscript.end());
+        import_data.redeemscript = std::make_unique<CScript>(parsed_redeemscript.begin(), parsed_redeemscript.end());
     }
     if (witness_script_hex.size()) {
         if (!IsHex(witness_script_hex)) {
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid witness script \"" + witness_script_hex + "\": must be hex string");
         }
         auto parsed_witnessscript = ParseHex(witness_script_hex);
-        import_data.witnessscript = MakeUnique<CScript>(parsed_witnessscript.begin(), parsed_witnessscript.end());
+        import_data.witnessscript = std::make_unique<CScript>(parsed_witnessscript.begin(), parsed_witnessscript.end());
     }
     for (size_t i = 0; i < pubKeys.size(); ++i) {
         const auto& str = pubKeys[i].get_str();
diff --git a/src/wallet/salvage.cpp b/src/wallet/salvage.cpp
index 09a9ec68cd0ae..6d912be019424 100644
--- a/src/wallet/salvage.cpp
+++ b/src/wallet/salvage.cpp
@@ -119,7 +119,7 @@ bool RecoverDatabaseFile(const fs::path& file_path, bilingual_str& error, std::v
         return false;
     }
 
-    std::unique_ptr<Db> pdbCopy = MakeUnique<Db>(env->dbenv.get(), 0);
+    std::unique_ptr<Db> pdbCopy = std::make_unique<Db>(env->dbenv.get(), 0);
     int ret = pdbCopy->open(nullptr,               // Txn pointer
                             filename.c_str(),   // Filename
                             "main",             // Logical db name
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
index efb408c1637ac..a8200981d883c 100644
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -378,7 +378,7 @@ void LegacyScriptPubKeyMan::UpgradeKeyMetadata()
         return;
     }
 
-    std::unique_ptr<WalletBatch> batch = MakeUnique<WalletBatch>(m_storage.GetDatabase());
+    std::unique_ptr<WalletBatch> batch = std::make_unique<WalletBatch>(m_storage.GetDatabase());
     for (auto& meta_pair : mapKeyMetadata) {
         CKeyMetadata& meta = meta_pair.second;
         if (!meta.hd_seed_id.IsNull() && !meta.has_key_origin && meta.hdKeypath != "s") { // If the hdKeypath is "s", that's the seed and it doesn't have a key origin
@@ -551,7 +551,7 @@ int64_t LegacyScriptPubKeyMan::GetTimeFirstKey() const
 
 std::unique_ptr<SigningProvider> LegacyScriptPubKeyMan::GetSolvingProvider(const CScript& script) const
 {
-    return MakeUnique<LegacySigningProvider>(*this);
+    return std::make_unique<LegacySigningProvider>(*this);
 }
 
 bool LegacyScriptPubKeyMan::CanProvide(const CScript& script, SignatureData& sigdata)
@@ -651,14 +651,14 @@ std::unique_ptr<CKeyMetadata> LegacyScriptPubKeyMan::GetMetadata(const CTxDestin
     if (!key_id.IsNull()) {
         auto it = mapKeyMetadata.find(key_id);
         if (it != mapKeyMetadata.end()) {
-            return MakeUnique<CKeyMetadata>(it->second);
+            return std::make_unique<CKeyMetadata>(it->second);
         }
     }
 
     CScript scriptPubKey = GetScriptForDestination(dest);
     auto it = m_script_metadata.find(CScriptID(scriptPubKey));
     if (it != m_script_metadata.end()) {
-        return MakeUnique<CKeyMetadata>(it->second);
+        return std::make_unique<CKeyMetadata>(it->second);
     }
 
     return nullptr;
@@ -2026,7 +2026,7 @@ std::unique_ptr<FlatSigningProvider> DescriptorScriptPubKeyMan::GetSigningProvid
 {
     AssertLockHeld(cs_desc_man);
     // Get the scripts, keys, and key origins for this script
-    std::unique_ptr<FlatSigningProvider> out_keys = MakeUnique<FlatSigningProvider>();
+    std::unique_ptr<FlatSigningProvider> out_keys = std::make_unique<FlatSigningProvider>();
     std::vector<CScript> scripts_temp;
     if (!m_wallet_descriptor.descriptor->ExpandFromCache(index, m_wallet_descriptor.cache, scripts_temp, *out_keys)) return nullptr;
 
@@ -2051,7 +2051,7 @@ bool DescriptorScriptPubKeyMan::CanProvide(const CScript& script, SignatureData&
 
 bool DescriptorScriptPubKeyMan::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const
 {
-    std::unique_ptr<FlatSigningProvider> keys = MakeUnique<FlatSigningProvider>();
+    std::unique_ptr<FlatSigningProvider> keys = std::make_unique<FlatSigningProvider>();
     for (const auto& coin_pair : coins) {
         std::unique_ptr<FlatSigningProvider> coin_keys = GetSigningProvider(coin_pair.second.out.scriptPubKey, true);
         if (!coin_keys) {
@@ -2115,13 +2115,13 @@ TransactionError DescriptorScriptPubKeyMan::FillPSBT(PartiallySignedTransaction&
         SignatureData sigdata;
         input.FillSignatureData(sigdata);
 
-        std::unique_ptr<FlatSigningProvider> keys = MakeUnique<FlatSigningProvider>();
+        std::unique_ptr<FlatSigningProvider> keys = std::make_unique<FlatSigningProvider>();
         std::unique_ptr<FlatSigningProvider> script_keys = GetSigningProvider(script, sign);
         if (script_keys) {
             *keys = Merge(*keys, *script_keys);
         } else {
             // Maybe there are pubkeys listed that we can sign for
-            script_keys = MakeUnique<FlatSigningProvider>();
+            script_keys = std::make_unique<FlatSigningProvider>();
             for (const auto& pk_pair : input.hd_keypaths) {
                 const CPubKey& pubkey = pk_pair.first;
                 std::unique_ptr<FlatSigningProvider> pk_keys = GetSigningProvider(pubkey);
@@ -2162,7 +2162,7 @@ std::unique_ptr<CKeyMetadata> DescriptorScriptPubKeyMan::GetMetadata(const CTxDe
         CKeyID key_id = GetKeyForDestination(*provider, dest);
         if (provider->GetKeyOrigin(key_id, orig)) {
             LOCK(cs_desc_man);
-            std::unique_ptr<CKeyMetadata> meta = MakeUnique<CKeyMetadata>();
+            std::unique_ptr<CKeyMetadata> meta = std::make_unique<CKeyMetadata>();
             meta->key_origin = orig;
             meta->has_key_origin = true;
             meta->nCreateTime = m_wallet_descriptor.creation_time;
diff --git a/src/wallet/sqlite.cpp b/src/wallet/sqlite.cpp
index 0fb3b1d3c4145..975974cb6a261 100644
--- a/src/wallet/sqlite.cpp
+++ b/src/wallet/sqlite.cpp
@@ -8,7 +8,6 @@
 #include <crypto/common.h>
 #include <logging.h>
 #include <sync.h>
-#include <util/memory.h>
 #include <util/strencodings.h>
 #include <util/system.h>
 #include <util/translation.h>
@@ -330,7 +329,7 @@ void SQLiteDatabase::Close()
 std::unique_ptr<DatabaseBatch> SQLiteDatabase::MakeBatch(bool flush_on_close)
 {
     // We ignore flush_on_close because we don't do manual flushing for SQLite
-    return MakeUnique<SQLiteBatch>(*this);
+    return std::make_unique<SQLiteBatch>(*this);
 }
 
 SQLiteBatch::SQLiteBatch(SQLiteDatabase& database)
@@ -571,7 +570,7 @@ std::unique_ptr<SQLiteDatabase> MakeSQLiteDatabase(const fs::path& path, const D
 {
     try {
         fs::path data_file = SQLiteDataFile(path);
-        auto db = MakeUnique<SQLiteDatabase>(data_file.parent_path(), data_file);
+        auto db = std::make_unique<SQLiteDatabase>(data_file.parent_path(), data_file);
         if (options.verify && !db->Verify(error)) {
             status = DatabaseStatus::FAILED_VERIFY;
             return nullptr;
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp
index ffac78d752ca0..0e9f3819ebfd5 100644
--- a/src/wallet/test/coinselector_tests.cpp
+++ b/src/wallet/test/coinselector_tests.cpp
@@ -290,7 +290,7 @@ BOOST_AUTO_TEST_CASE(bnb_search_test)
     // Make sure that can use BnB when there are preset inputs
     empty_wallet();
     {
-        std::unique_ptr<CWallet> wallet = MakeUnique<CWallet>(m_node.chain.get(), "", CreateMockWalletDatabase());
+        std::unique_ptr<CWallet> wallet = std::make_unique<CWallet>(m_node.chain.get(), "", CreateMockWalletDatabase());
         bool firstRun;
         wallet->LoadWallet(firstRun);
         wallet->SetupLegacyScriptPubKeyMan();
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 5480f3ab22437..4598999b3c358 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -485,7 +485,7 @@ class ListCoinsTestingSetup : public TestChain100Setup
     ListCoinsTestingSetup()
     {
         CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
-        wallet = MakeUnique<CWallet>(m_node.chain.get(), "", CreateMockWalletDatabase());
+        wallet = std::make_unique<CWallet>(m_node.chain.get(), "", CreateMockWalletDatabase());
         {
             LOCK2(wallet->cs_wallet, ::cs_main);
             wallet->SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index 69854cae054ed..a5a454f9a8299 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -1086,15 +1086,15 @@ std::unique_ptr<WalletDatabase> MakeDatabase(const fs::path& path, const Databas
 /** Return object for accessing dummy database with no read/write capabilities. */
 std::unique_ptr<WalletDatabase> CreateDummyWalletDatabase()
 {
-    return MakeUnique<DummyDatabase>();
+    return std::make_unique<DummyDatabase>();
 }
 
 /** Return object for accessing temporary in-memory database. */
 std::unique_ptr<WalletDatabase> CreateMockWalletDatabase()
 {
 #ifdef USE_BDB
-    return MakeUnique<BerkeleyDatabase>(std::make_shared<BerkeleyEnvironment>(), "");
+    return std::make_unique<BerkeleyDatabase>(std::make_shared<BerkeleyEnvironment>(), "");
 #elif USE_SQLITE
-    return MakeUnique<SQLiteDatabase>("", "", true);
+    return std::make_unique<SQLiteDatabase>("", "", true);
 #endif
 }
diff --git a/src/zmq/zmqabstractnotifier.h b/src/zmq/zmqabstractnotifier.h
index 6f0b202a1877c..49c1c2a07d58c 100644
--- a/src/zmq/zmqabstractnotifier.h
+++ b/src/zmq/zmqabstractnotifier.h
@@ -5,7 +5,6 @@
 #ifndef BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
 #define BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
 
-#include <util/memory.h>
 
 #include <memory>
 #include <string>
@@ -27,7 +26,7 @@ class CZMQAbstractNotifier
     template <typename T>
     static std::unique_ptr<CZMQAbstractNotifier> Create()
     {
-        return MakeUnique<T>();
+        return std::make_unique<T>();
     }
 
     std::string GetType() const { return type; }