diff --git a/comIF/OBSW_Serial_ComIF.py b/comIF/OBSW_Serial_ComIF.py
index 55f273871723b357534da1ae50029ee13dd64b94..b706c262c1a5b0aa3fc1753b188ea5af9d5c7c1b 100644
--- a/comIF/OBSW_Serial_ComIF.py
+++ b/comIF/OBSW_Serial_ComIF.py
@@ -17,3 +17,8 @@ class SerialComIF(CommunicationInterface):
     def receiveTelemetryAndStoreTuple(self, tmTupleQueue):
         pass
 
+    def pollInterface(self, parameter):
+        pass
+
+    def performListenerMode(self):
+        pass