diff --git a/ohmpi/hardware_system.py b/ohmpi/hardware_system.py
index b31a58c4c29a69fb7af698a828ff3bcf233188a8..f9baa2856e42539fe17ca325ea5c3ee2acece5d0 100644
--- a/ohmpi/hardware_system.py
+++ b/ohmpi/hardware_system.py
@@ -372,7 +372,7 @@ class OhmPiHardware:
 
     def _vab_pulses(self, vab, durations, sampling_rate, polarities=None, append=False):
         n_pulses = len(durations)
-        self.exec_logger.warning(f'n_pulses: {n_pulses}, {len(durations)}, {len(polarities)}')
+        self.exec_logger.warning(f'n_pulses: {n_pulses}')
         if sampling_rate is None:
             sampling_rate = RX_CONFIG['sampling_rate']
         if polarities is not None: