diff --git a/sendreceive/obsw_tm_listener.py b/sendreceive/obsw_tm_listener.py
index 236448c2e31ad1bf173c90467ebada51b01f61b0..500dcf258ec620332a62fe1501bcb01eb6a0e761 100644
--- a/sendreceive/obsw_tm_listener.py
+++ b/sendreceive/obsw_tm_listener.py
@@ -8,9 +8,7 @@
     This will enable to run the listener in a separate thread later.
     This Listener will propably have some kind of mode. In default configuration,
     it will just listen for packets
-    TODO: Have a look at the new asyncio library. Pyserial has an asyncio extension.
-          See: https://pyserial-asyncio.readthedocs.io/en/latest/index.html
-          Maybe this would simplify things here.
+
 """
 import sys
 import time
@@ -23,7 +21,6 @@ from tm.obsw_pus_tm_factory import PusTmQueueT, PusTmInfoQueueT
 import config.obsw_config as g
 
 LOGGER = get_logger()
-TmListenerT = TypeVar('TmListenerT', bound='TmListener')
 
 
 class TmListener: