diff --git a/supr/utils.py b/supr/utils.py
index 3ee9c1fbec440bae9a7e28525026f392056182c6..7bed2924f05243abb03f57598ee1e18272ac292c 100644
--- a/supr/utils.py
+++ b/supr/utils.py
@@ -9,7 +9,6 @@ from PyQt5 import QtWidgets
 
 # %%
 def drawnow():
-    plt.show(block=False)
     plt.gcf().canvas.draw()
     plt.gcf().canvas.flush_events()