diff --git a/source/RobotAPI/interface/hardware/HardwareInterface.ice b/source/RobotAPI/interface/hardware/HardwareInterface.ice
index 4d247247573af64a9b19309bdcec323203ea4b15..f3728d1fbf06666a67360a00500c1568489dff01 100644
--- a/source/RobotAPI/interface/hardware/HardwareInterface.ice
+++ b/source/RobotAPI/interface/hardware/HardwareInterface.ice
@@ -90,7 +90,7 @@ module armarx
         int sendCommand(string command) throws UnknownCommandException;
     };
 
-    interface HardwareListener extends KinematicUnitListener
+    interface HardwareListener
     {
 
     };