diff --git a/openpilot/selfdrive/ui/layouts/main.py b/openpilot/selfdrive/ui/layouts/main.py
index a0c6186f09..52de91d906 100644
--- a/openpilot/selfdrive/ui/layouts/main.py
+++ b/openpilot/selfdrive/ui/layouts/main.py
@@ -43,7 +43,6 @@ class MainLayout(Widget):
     }
     self._custom_button_callbacks = {
       CustomButtonAction.BOOKMARK: self._on_bookmark_clicked,
-      CustomButtonAction.QUIET_MODE: self._toggle_quiet_mode,
       CustomButtonAction.CYCLE_UI: self._cycle_ui,
     }
 
@@ -121,10 +120,6 @@ class MainLayout(Widget):
   def _on_settings_clicked(self):
     self.open_settings(PanelType.DEVICE)
 
-  @staticmethod
-  def _toggle_quiet_mode():
-    ui_state.params.put_bool('QuietMode', not ui_state.params.get_bool('QuietMode'))
-
   def _show_onroad(self):
     self._set_current_layout(MainState.ONROAD)
     self._sidebar.set_visible(False)
diff --git a/openpilot/selfdrive/ui/mici/layouts/main.py b/openpilot/selfdrive/ui/mici/layouts/main.py
index 1ff2819cb4..9f1168f103 100644
--- a/openpilot/selfdrive/ui/mici/layouts/main.py
+++ b/openpilot/selfdrive/ui/mici/layouts/main.py
@@ -38,7 +38,6 @@ class MiciMainLayout(Scroller):
     self._body_onroad_layout = BodyLayout()
     self._custom_button_callbacks = {
       CustomButtonAction.BOOKMARK: self._on_bookmark_clicked,
-      CustomButtonAction.QUIET_MODE: self._toggle_quiet_mode,
       CustomButtonAction.CYCLE_UI: self._cycle_ui,
     }
 
@@ -158,10 +157,6 @@ class MiciMainLayout(Scroller):
       msg = messaging.new_message(service, valid=True)
       self._pm.send(service, msg)
 
-  @staticmethod
-  def _toggle_quiet_mode():
-    ui_state.params.put_bool('QuietMode', not ui_state.params.get_bool('QuietMode'))
-
   def _show_layout(self, layout: Widget):
     if gui_app.widget_in_stack(self._onboarding_window):
       return
diff --git a/openpilot/selfdrive/ui/sunnypilot/custom_button.py b/openpilot/selfdrive/ui/sunnypilot/custom_button.py
index 53dad90ce8..9f8374cb75 100644
--- a/openpilot/selfdrive/ui/sunnypilot/custom_button.py
+++ b/openpilot/selfdrive/ui/sunnypilot/custom_button.py
@@ -6,7 +6,6 @@ from opendbc.car.structs import car
 class CustomButtonAction(IntEnum):
   NONE = 0
   BOOKMARK = 1
-  QUIET_MODE = 2
   CYCLE_UI = 3
 
 
diff --git a/openpilot/sunnypilot/sunnylink/settings_ui.json b/openpilot/sunnypilot/sunnylink/settings_ui.json
index 867b55de63..c2d8a9b695 100644
--- a/openpilot/sunnypilot/sunnylink/settings_ui.json
+++ b/openpilot/sunnypilot/sunnylink/settings_ui.json
@@ -2186,10 +2186,6 @@
               "value": 1,
               "label": "Bookmark"
             },
-            {
-              "value": 2,
-              "label": "Quiet Mode"
-            },
             {
               "value": 3,
               "label": "Cycle UI"
diff --git a/openpilot/sunnypilot/sunnylink/settings_ui_src/pages/vehicle.yaml b/openpilot/sunnypilot/sunnylink/settings_ui_src/pages/vehicle.yaml
index 48612f1c97..31eaed5675 100644
--- a/openpilot/sunnypilot/sunnylink/settings_ui_src/pages/vehicle.yaml
+++ b/openpilot/sunnypilot/sunnylink/settings_ui_src/pages/vehicle.yaml
@@ -19,8 +19,6 @@ sections:
       label: None
     - value: 1
       label: Bookmark
-    - value: 2
-      label: Quiet Mode
     - value: 3
       label: Cycle UI
   - key: HyundaiLongitudinalTuning