diff --git a/qt/aqt/preferences.py b/qt/aqt/preferences.py
index 8895becb1..b20763877 100644
--- a/qt/aqt/preferences.py
+++ b/qt/aqt/preferences.py
@@ -175,7 +175,6 @@ class Preferences(QDialog):
         reviewing.hide_audio_play_buttons = not self.form.showPlayButtons.isChecked()
         reviewing.interrupt_audio_when_answering = self.form.interrupt_audio.isChecked()
         reviewing.new_reviewer = form.new_reviewer.isChecked()
-        aqt.mw.setupReviewer(reviewing.new_reviewer)
 
         editing = self.prefs.editing
         editing.adding_defaults_to_current_deck = not form.useCurrent.currentIndex()