diff --git a/src/net.h b/src/net.h
--- a/src/net.h
+++ b/src/net.h
@@ -394,8 +394,8 @@
     /** Services this instance cares about */
     ServiceFlags nRelevantServices;
 
-    CSemaphore *semOutbound;
-    CSemaphore *semAddnode;
+    std::unique_ptr<CSemaphore> semOutbound;
+    std::unique_ptr<CSemaphore> semAddnode;
     int nMaxConnections;
     int nMaxOutbound;
     int nMaxAddnode;
@@ -656,7 +656,7 @@
     bool fSentAddr;
     CSemaphoreGrant grantOutbound;
     CCriticalSection cs_filter;
-    CBloomFilter *pfilter;
+    std::unique_ptr<CBloomFilter> pfilter;
     std::atomic<int> nRefCount;
 
     const uint64_t nKeyedNetGroup;
diff --git a/src/net.cpp b/src/net.cpp
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2353,8 +2353,6 @@
     nLastNodeId = 0;
     nSendBufferMaxSize = 0;
     nReceiveFloodSize = 0;
-    semOutbound = nullptr;
-    semAddnode = nullptr;
     flagInterruptMsgProc = false;
 
     Options connOptions;
@@ -2470,12 +2468,12 @@
 
     if (semOutbound == nullptr) {
         // initialize semaphore
-        semOutbound = new CSemaphore(
-            std::min((nMaxOutbound + nMaxFeeler), nMaxConnections));
+        semOutbound = std::unique_ptr<CSemaphore>(new CSemaphore(
+            std::min((nMaxOutbound + nMaxFeeler), nMaxConnections)));
     }
     if (semAddnode == nullptr) {
         // initialize semaphore
-        semAddnode = new CSemaphore(nMaxAddnode);
+        semAddnode = std::unique_ptr<CSemaphore>(new CSemaphore(nMaxAddnode));
     }
 
     //
@@ -2613,10 +2611,8 @@
     vNodes.clear();
     vNodesDisconnected.clear();
     vhListenSocket.clear();
-    delete semOutbound;
-    semOutbound = nullptr;
-    delete semAddnode;
-    semAddnode = nullptr;
+    semOutbound.reset();
+    semAddnode.reset();
 }
 
 void CConnman::DeleteNode(CNode *pnode) {
@@ -2896,7 +2892,7 @@
     nNextInvSend = 0;
     fRelayTxes = false;
     fSentAddr = false;
-    pfilter = new CBloomFilter();
+    pfilter = std::unique_ptr<CBloomFilter>(new CBloomFilter());
     timeLastMempoolReq = 0;
     nLastBlockTime = 0;
     nLastTXTime = 0;
@@ -2926,10 +2922,6 @@
 
 CNode::~CNode() {
     CloseSocket(hSocket);
-
-    if (pfilter) {
-        delete pfilter;
-    }
 }
 
 void CNode::AskFor(const CInv &inv) {
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -2907,8 +2907,7 @@
             Misbehaving(pfrom, 100, "oversized-bloom-filter");
         } else {
             LOCK(pfrom->cs_filter);
-            delete pfrom->pfilter;
-            pfrom->pfilter = new CBloomFilter(filter);
+            pfrom->pfilter.reset(new CBloomFilter(filter));
             pfrom->pfilter->UpdateEmptyFull();
             pfrom->fRelayTxes = true;
         }
@@ -2943,8 +2942,7 @@
     else if (strCommand == NetMsgType::FILTERCLEAR) {
         LOCK(pfrom->cs_filter);
         if (pfrom->GetLocalServices() & NODE_BLOOM) {
-            delete pfrom->pfilter;
-            pfrom->pfilter = new CBloomFilter();
+            pfrom->pfilter.reset(new CBloomFilter());
         }
         pfrom->fRelayTxes = true;
     }