diff --git a/tests/daemon/face/unicast-udp-transport-fixture.hpp b/tests/daemon/face/unicast-udp-transport-fixture.hpp
index 08acd46..dcd99ef 100644
--- a/tests/daemon/face/unicast-udp-transport-fixture.hpp
+++ b/tests/daemon/face/unicast-udp-transport-fixture.hpp
@@ -63,7 +63,7 @@
 
     face = make_unique<Face>(
              make_unique<DummyReceiveLinkService>(),
-             make_unique<UnicastUdpTransport>(std::move(sock), persistency, time::seconds(3)));
+             make_unique<UnicastUdpTransport>(std::move(sock), persistency, 3_s));
     transport = static_cast<UnicastUdpTransport*>(face->getTransport());
     receivedPackets = &static_cast<DummyReceiveLinkService*>(face->getLinkService())->receivedPackets;
 
@@ -90,7 +90,7 @@
         }
         limitedIo.afterOp();
       });
-    BOOST_REQUIRE_EQUAL(limitedIo.run(1, time::seconds(1)), LimitedIo::EXCEED_OPS);
+    BOOST_REQUIRE_EQUAL(limitedIo.run(1, 1_s), LimitedIo::EXCEED_OPS);
   }
 
   void
@@ -102,7 +102,7 @@
           BOOST_REQUIRE_EQUAL(error, boost::system::errc::success);
         }
       });
-    limitedIo.defer(time::seconds(1));
+    limitedIo.defer(1_s);
   }
 
 protected: