diff --git a/src/utiltime.cpp b/src/utiltime.cpp
index f9d910dd19..735495dca0 100644
--- a/src/utiltime.cpp
+++ b/src/utiltime.cpp
@@ -15,6 +15,8 @@
 #include <boost/date_time/posix_time/posix_time.hpp>
 #include <boost/thread.hpp>
 
+#include <chrono>
+
 static std::atomic<int64_t> nMockTime(0); //!< For unit testing
 
 int64_t GetTime()
@@ -39,16 +41,14 @@ int64_t GetMockTime()
 
 int64_t GetTimeMillis()
 {
-    int64_t now = (boost::posix_time::microsec_clock::universal_time() -
-                   boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
+    int64_t now = std::chrono::time_point_cast<std::chrono::milliseconds>(std::chrono::system_clock::now()).time_since_epoch().count();
     assert(now > 0);
     return now;
 }
 
 int64_t GetTimeMicros()
 {
-    int64_t now = (boost::posix_time::microsec_clock::universal_time() -
-                   boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
+    int64_t now = std::chrono::time_point_cast<std::chrono::microseconds>(std::chrono::system_clock::now()).time_since_epoch().count();
     assert(now > 0);
     return now;
 }