diff --git a/src/opticalcontroller/tools.py b/src/opticalcontroller/tools.py
index 1ebae4f50744e441c664128a13609cfc1f6e1e7f..651a73de75c5f67e77a18f284d6e9505bf8cd5d0 100644
--- a/src/opticalcontroller/tools.py
+++ b/src/opticalcontroller/tools.py
@@ -57,7 +57,6 @@ def map_rate_to_slot(rate):
         return op, slots
     elif rate == 800:
         mod = "DP-16QAM"
-        #todo: check slot width
         slots = 12 #150GHz
         op = map_modulation_to_op(mod, rate)
         return op, slots