diff --git a/src/init.cpp b/src/init.cpp
index 9f61989a26..ec2edd9cac 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -546,7 +546,8 @@ static void BlockNotifyCallback(bool initialSync, const CBlockIndex *pBlockIndex
     std::string strCmd = gArgs.GetArg("-blocknotify", "");
     if (!strCmd.empty()) {
         boost::replace_all(strCmd, "%s", pBlockIndex->GetBlockHash().GetHex());
-        boost::thread t(runCommand, strCmd); // thread runs free
+        std::thread t(runCommand, strCmd);
+        t.detach(); // thread runs free
     }
 }
 
diff --git a/src/validation.cpp b/src/validation.cpp
index 16b656c7f5..6b02c0920c 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1188,7 +1188,8 @@ static void AlertNotify(const std::string& strMessage)
     safeStatus = singleQuote+safeStatus+singleQuote;
     boost::replace_all(strCmd, "%s", safeStatus);
 
-    boost::thread t(runCommand, strCmd); // thread runs free
+    std::thread t(runCommand, strCmd);
+    t.detach(); // thread runs free
 }
 
 static void CheckForkWarningConditions()
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 2b8019395c..3b8ecce6da 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -34,7 +34,6 @@
 #include <future>
 
 #include <boost/algorithm/string/replace.hpp>
-#include <boost/thread.hpp>
 
 std::vector<CWalletRef> vpwallets;
 /** Transaction fee set by the user */
@@ -976,7 +975,8 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
     if (!strCmd.empty())
     {
         boost::replace_all(strCmd, "%s", wtxIn.GetHash().GetHex());
-        boost::thread t(runCommand, strCmd); // thread runs free
+        std::thread t(runCommand, strCmd);
+        t.detach(); // thread runs free
     }
 
     return true;