diff --git a/Sming/Core/CallbackTimer.h b/Sming/Core/CallbackTimer.h
index 9844c6ed86..f56ef2dc58 100644
--- a/Sming/Core/CallbackTimer.h
+++ b/Sming/Core/CallbackTimer.h
@@ -33,6 +33,12 @@ template <typename ApiDef> struct CallbackTimerApi {
 		return ApiDef::typeName();
 	}
 
+	CallbackTimerApi()
+	{
+	}
+
+	CallbackTimerApi(const CallbackTimerApi&) = delete;
+
 	String name() const
 	{
 		String s;
@@ -50,7 +56,6 @@ template <typename ApiDef> struct CallbackTimerApi {
 		s += static_cast<const ApiDef*>(this)->getInterval();
 		s += ", ticks = ";
 		s += static_cast<const ApiDef*>(this)->ticks();
-		//		s += ApiDef::Clock::ticks();
 		return s;
 	}
 
diff --git a/tests/HostTests/modules/Timers.cpp b/tests/HostTests/modules/Timers.cpp
index 5e0eda4fba..2dc7bb638c 100644
--- a/tests/HostTests/modules/Timers.cpp
+++ b/tests/HostTests/modules/Timers.cpp
@@ -81,7 +81,7 @@ class CallbackTimerTest : public TestGroup
 			String s;
 			s += system_get_time();
 			s += " ";
-			s += statusTimer;
+			s += String(statusTimer);
 			s += " fired, timercount = ";
 			s += activeTimerCount;
 			s += ", mem = ";