diff --git a/src/httprpc.cpp b/src/httprpc.cpp
index 3b675b88e..dbd09595c 100644
--- a/src/httprpc.cpp
+++ b/src/httprpc.cpp
@@ -238,7 +238,7 @@ bool StartHTTPRPC()
     RegisterHTTPHandler("/wallet/", false, HTTPReq_JSONRPC);
 #endif
     assert(EventBase());
-    httpRPCTimerInterface = std::unique_ptr<HTTPRPCTimerInterface>(new HTTPRPCTimerInterface(EventBase()));
+    httpRPCTimerInterface = MakeUnique<HTTPRPCTimerInterface>(EventBase());
     RPCSetTimerInterface(httpRPCTimerInterface.get());
     return true;
 }
diff --git a/src/net.cpp b/src/net.cpp
index 6b0c131cf..0f9de81d7 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2327,11 +2327,11 @@ bool CConnman::Start(CScheduler& scheduler, const Options& connOptions)
 
     if (semOutbound == nullptr) {
         // initialize semaphore
-        semOutbound = std::unique_ptr<CSemaphore>(new CSemaphore(std::min((nMaxOutbound + nMaxFeeler), nMaxConnections)));
+        semOutbound = MakeUnique<CSemaphore>(std::min((nMaxOutbound + nMaxFeeler), nMaxConnections));
     }
     if (semAddnode == nullptr) {
         // initialize semaphore
-        semAddnode = std::unique_ptr<CSemaphore>(new CSemaphore(nMaxAddnode));
+        semAddnode = MakeUnique<CSemaphore>(nMaxAddnode);
     }
 
     //
@@ -2741,7 +2741,7 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn
     nNextInvSend = 0;
     fRelayTxes = false;
     fSentAddr = false;
-    pfilter = std::unique_ptr<CBloomFilter>(new CBloomFilter());
+    pfilter = MakeUnique<CBloomFilter>();
     timeLastMempoolReq = 0;
     nLastBlockTime = 0;
     nLastTXTime = 0;
diff --git a/src/test/dbwrapper_tests.cpp b/src/test/dbwrapper_tests.cpp
index d204e9236..c1625cf47 100644
--- a/src/test/dbwrapper_tests.cpp
+++ b/src/test/dbwrapper_tests.cpp
@@ -125,7 +125,7 @@ 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 = std::unique_ptr<CDBWrapper>(new CDBWrapper(ph, (1 << 10), false, false, false));
+    std::unique_ptr<CDBWrapper> dbw = MakeUnique<CDBWrapper>(ph, (1 << 10), false, false, false);
     char key = 'k';
     uint256 in = InsecureRand256();
     uint256 res;
@@ -166,7 +166,7 @@ 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 = std::unique_ptr<CDBWrapper>(new CDBWrapper(ph, (1 << 10), false, false, false));
+    std::unique_ptr<CDBWrapper> dbw = MakeUnique<CDBWrapper>(ph, (1 << 10), false, false, false);
     char key = 'k';
     uint256 in = InsecureRand256();
     uint256 res;
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index cae8cd7da..0ae5f2b15 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -222,7 +222,7 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco
     }
     LogPrintf("Salvage(aggressive) found %u records\n", salvagedData.size());
 
-    std::unique_ptr<Db> pdbCopy(new Db(bitdb.dbenv.get(), 0));
+    std::unique_ptr<Db> pdbCopy = MakeUnique<Db>(bitdb.dbenv.get(), 0);
     int ret = pdbCopy->open(nullptr,               // Txn pointer
                             filename.c_str(),   // Filename
                             "main",             // Logical db name
@@ -522,7 +522,7 @@ bool CDB::Rewrite(CWalletDBWrapper& dbw, const char* pszSkip)
                 std::string strFileRes = strFile + ".rewrite";
                 { // surround usage of db with extra {}
                     CDB db(dbw, "r");
-                    std::unique_ptr<Db> pdbCopy = std::unique_ptr<Db>(new Db(env->dbenv.get(), 0));
+                    std::unique_ptr<Db> pdbCopy = MakeUnique<Db>(env->dbenv.get(), 0);
 
                     int ret = pdbCopy->open(nullptr,               // Txn pointer
                                             strFileRes.c_str(), // Filename
diff --git a/src/wallet/test/wallet_test_fixture.cpp b/src/wallet/test/wallet_test_fixture.cpp
index 0dd21171c..34f210fcd 100644
--- a/src/wallet/test/wallet_test_fixture.cpp
+++ b/src/wallet/test/wallet_test_fixture.cpp
@@ -17,7 +17,7 @@ WalletTestingSetup::WalletTestingSetup(const std::string& chainName):
 
     bool fFirstRun;
     std::unique_ptr<CWalletDBWrapper> dbw(new CWalletDBWrapper(&bitdb, "wallet_test.dat"));
-    pwalletMain = std::unique_ptr<CWallet>(new CWallet(std::move(dbw)));
+    pwalletMain = MakeUnique<CWallet>(std::move(dbw));
     pwalletMain->LoadWallet(fFirstRun);
     RegisterValidationInterface(pwalletMain.get());
 
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index a357224a8..dceb818b5 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3806,7 +3806,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
         uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
 
         std::unique_ptr<CWalletDBWrapper> dbw(new CWalletDBWrapper(&bitdb, walletFile));
-        std::unique_ptr<CWallet> tempWallet(new CWallet(std::move(dbw)));
+        std::unique_ptr<CWallet> tempWallet = MakeUnique<CWallet>(std::move(dbw));
         DBErrors nZapWalletRet = tempWallet->ZapWalletTx(vWtx);
         if (nZapWalletRet != DB_LOAD_OK) {
             InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));