--- a/libupnpp/control/ohtime.hxx
+++ b/libupnpp/control/ohtime.hxx
@@ -50,10 +50,8 @@
 
     OHTime(const UPnPDeviceDesc& device, const UPnPServiceDesc& service)
         : Service(device, service) {
-        registerCallback();
     }
-    virtual ~OHTime() {
-    }
+    virtual ~OHTime() {}
 
     OHTime() {}