diff --git a/src/ria_toolkit_oss/view/view_signal_simple.py b/src/ria_toolkit_oss/view/view_signal_simple.py
index 53db606..5dc6ec7 100644
--- a/src/ria_toolkit_oss/view/view_signal_simple.py
+++ b/src/ria_toolkit_oss/view/view_signal_simple.py
@@ -7,7 +7,6 @@ from typing import Optional
 
 import matplotlib
 import matplotlib.pyplot as plt
-from matplotlib.ticker import EngFormatter
 import numpy as np
 from scipy.fft import fft, fftshift
 from scipy.signal.windows import hann