diff --git a/src/quackseq_simulator/simulator_controller.py b/src/quackseq_simulator/simulator_controller.py
index 882ef05..c837b13 100644
--- a/src/quackseq_simulator/simulator_controller.py
+++ b/src/quackseq_simulator/simulator_controller.py
@@ -6,7 +6,7 @@ import numpy as np
 
 from quackseq.spectrometer.spectrometer_controller import SpectrometerController
 from quackseq.measurement import Measurement
-from quackseq.pulseparameters import TXPulse, RXReadout
+from quackseq.pulseparameters import TXPulse
 from quackseq.pulsesequence import QuackSequence
 
 from nqr_blochsimulator import Sample, Simulation, PulseArray