diff --git a/selfdrive/ui/.gitignore b/selfdrive/ui/.gitignore
index cb95652191..8ad5d39493 100644
--- a/selfdrive/ui/.gitignore
+++ b/selfdrive/ui/.gitignore
@@ -3,7 +3,6 @@ moc_*
 
 translations/main_test_en.*
 
-_mui
 watch3
 installer/installers/*
 qt/text
diff --git a/selfdrive/ui/SConscript b/selfdrive/ui/SConscript
index 036164d6cc..916f1017a3 100644
--- a/selfdrive/ui/SConscript
+++ b/selfdrive/ui/SConscript
@@ -99,9 +99,6 @@ if GetOption('extras') and arch != "Darwin":
   # build updater UI
   qt_env.Program("qt/setup/updater", ["qt/setup/updater.cc", asset_obj], LIBS=qt_libs)
 
-  # build mui
-  qt_env.Program("_mui", ["mui.cc"], LIBS=qt_libs)
-
   # build installers
   senv = qt_env.Clone()
   senv['LINKFLAGS'].append('-Wl,-strip-debug')
diff --git a/selfdrive/ui/mui.cc b/selfdrive/ui/mui.cc
deleted file mode 100644
index e2b4358b65..0000000000
--- a/selfdrive/ui/mui.cc
+++ /dev/null
@@ -1,132 +0,0 @@
-#include <QApplication>
-#include <QtWidgets>
-#include <QTimer>
-#include <QGraphicsScene>
-
-#include "cereal/messaging/messaging.h"
-#include "selfdrive/ui/ui.h"
-#include "selfdrive/ui/qt/qt_window.h"
-
-class StatusBar : public QGraphicsRectItem {
-  private:
-    QLinearGradient linear_gradient;
-    QRadialGradient radial_gradient;
-    QTimer animation_timer;
-    const int animation_length = 10;
-    int animation_index = 0;
-
-  public:
-    StatusBar(double x, double y, double width, double height) : QGraphicsRectItem {x, y, width, height} {
-      linear_gradient = QLinearGradient(0, 0, 0, height/2);
-      linear_gradient.setSpread(QGradient::ReflectSpread);
-
-      radial_gradient = QRadialGradient(width/2, height/2, width/8);
-      QObject::connect(&animation_timer, &QTimer::timeout, [=]() {
-        animation_index++;
-        animation_index %= animation_length;
-      });
-      animation_timer.start(50);
-    }
-
-    void solidColor(QColor color) {
-      QColor dark_color = QColor(color);
-      dark_color.setAlphaF(0.5);
-
-      linear_gradient.setColorAt(0, dark_color);
-      linear_gradient.setColorAt(1, color);
-      setBrush(QBrush(linear_gradient));
-    }
-
-    // these need to be called continuously for the animations to work.
-    // can probably clean that up with some more abstractions
-    void blinkingColor(QColor color) {
-      QColor dark_color = QColor(color);
-      dark_color.setAlphaF(0.1);
-
-      int radius = (rect().width() / animation_length) * animation_index;
-      QPoint center = QPoint(rect().width()/2, rect().height()/2);
-      radial_gradient.setCenter(center);
-      radial_gradient.setFocalPoint(center);
-      radial_gradient.setRadius(radius);
-
-      radial_gradient.setColorAt(1, dark_color);
-      radial_gradient.setColorAt(0, color);
-      setBrush(QBrush(radial_gradient));
-    }
-
-    void laneChange(cereal::LateralPlan::LaneChangeDirection direction) {
-      QColor dark_color = QColor(bg_colors[STATUS_ENGAGED]);
-      dark_color.setAlphaF(0.1);
-
-      int x = (rect().width() / animation_length) * animation_index;
-      QPoint center = QPoint(((direction == cereal::LateralPlan::LaneChangeDirection::RIGHT) ? x : (rect().width() - x)), rect().height()/2);
-      radial_gradient.setCenter(center);
-      radial_gradient.setFocalPoint(center);
-      radial_gradient.setRadius(rect().width()/5);
-
-      radial_gradient.setColorAt(1, dark_color);
-      radial_gradient.setColorAt(0, bg_colors[STATUS_ENGAGED]);
-      setBrush(QBrush(radial_gradient));
-    }
-
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override {
-      painter->setPen(QPen());
-      painter->setBrush(brush());
-
-      double rounding_radius = rect().height()/2;
-      painter->drawRoundedRect(rect(), rounding_radius, rounding_radius);
-    }
-};
-
-int main(int argc, char *argv[]) {
-  QApplication a(argc, argv);
-  QWidget w;
-  setMainWindow(&w);
-
-  w.setStyleSheet("background-color: black;");
-
-  // our beautiful UI
-  QVBoxLayout *layout = new QVBoxLayout(&w);
-
-  QGraphicsScene *scene = new QGraphicsScene();
-  StatusBar *status_bar = new StatusBar(0, 0, 1000, 50);
-  scene->addItem(status_bar);
-
-  QGraphicsView *graphics_view = new QGraphicsView(scene);
-  layout->insertSpacing(0, 400);
-  layout->addWidget(graphics_view, 0, Qt::AlignCenter);
-
-  QTimer timer;
-  QObject::connect(&timer, &QTimer::timeout, [=]() {
-    static SubMaster sm({"deviceState", "controlsState", "lateralPlan"});
-
-    bool onroad_prev = sm.allAliveAndValid({"deviceState"}) &&
-                       sm["deviceState"].getDeviceState().getStarted();
-    sm.update(0);
-
-    bool onroad = sm.allAliveAndValid({"deviceState"}) &&
-                  sm["deviceState"].getDeviceState().getStarted();
-
-    if (onroad) {
-      auto cs = sm["controlsState"].getControlsState();
-      UIStatus status = cs.getEnabled() ? STATUS_ENGAGED : STATUS_DISENGAGED;
-      auto lp = sm["lateralPlan"].getLateralPlan();
-      if (lp.getLaneChangeState() == cereal::LateralPlan::LaneChangeState::PRE_LANE_CHANGE) {
-        status_bar->blinkingColor(bg_colors[status]);
-      } else if (lp.getLaneChangeState() == cereal::LateralPlan::LaneChangeState::LANE_CHANGE_STARTING ||
-                 lp.getLaneChangeState() == cereal::LateralPlan::LaneChangeState::LANE_CHANGE_FINISHING) {
-        status_bar->laneChange(lp.getLaneChangeDirection());
-      } else {
-        status_bar->solidColor(bg_colors[status]);
-      }
-    }
-
-    if ((onroad != onroad_prev) || sm.frame < 2) {
-      Hardware::set_brightness(50);
-      Hardware::set_display_power(onroad);
-    }
-  });
-  timer.start(50);
-
-  return a.exec();
-}