diff --git a/selfdrive/ui/qt/maps/map.cc b/selfdrive/ui/qt/maps/map.cc
index eb8839b2d5..d689674260 100644
--- a/selfdrive/ui/qt/maps/map.cc
+++ b/selfdrive/ui/qt/maps/map.cc
@@ -41,7 +41,7 @@ MapWindow::MapWindow(const QMapboxGLSettings &settings) : m_settings(settings),
 
   const int h = 120;
   map_eta->setFixedHeight(h);
-  map_eta->move(25, 1080 - h - bdr_s*2);
+  map_eta->move(25, 1080 - h - UI_BORDER_SIZE*2);
   map_eta->setVisible(false);
 
   // Settings button
@@ -62,7 +62,7 @@ MapWindow::MapWindow(const QMapboxGLSettings &settings) : m_settings(settings),
     }
   )");
   settings_btn->show();  // force update
-  settings_btn->move(bdr_s, 1080 - bdr_s*3 - settings_btn->height());
+  settings_btn->move(UI_BORDER_SIZE, 1080 - UI_BORDER_SIZE*3 - settings_btn->height());
   QObject::connect(settings_btn, &QPushButton::clicked, [=]() {
     emit openSettings();
   });
@@ -216,12 +216,12 @@ void MapWindow::updateState(const UIState &s) {
     // TODO: only move if position should change
     // don't move while map isn't visible
     if (isVisible()) {
-      auto pos = 1080 - bdr_s*2 - settings_btn->height() - bdr_s;
+      auto pos = 1080 - UI_BORDER_SIZE*2 - settings_btn->height() - UI_BORDER_SIZE;
       if (map_eta->isVisible()) {
-        settings_btn->move(bdr_s, pos - map_eta->height());
+        settings_btn->move(UI_BORDER_SIZE, pos - map_eta->height());
         settings_btn->setIcon(settings_icon);
       } else {
-        settings_btn->move(bdr_s, pos);
+        settings_btn->move(UI_BORDER_SIZE, pos);
         settings_btn->setIcon(directions_icon);
       }
     }
@@ -701,5 +701,5 @@ void MapETA::updateETA(float s, float s_typical, float d) {
   setMask(mask);
 
   // Center
-  move(static_cast<QWidget*>(parent())->width() / 2 - width() / 2, 1080 - height() - bdr_s*2);
+  move(static_cast<QWidget*>(parent())->width() / 2 - width() / 2, 1080 - height() - UI_BORDER_SIZE*2);
 }
diff --git a/selfdrive/ui/qt/onroad.cc b/selfdrive/ui/qt/onroad.cc
index f635e63a08..1840218ea4 100644
--- a/selfdrive/ui/qt/onroad.cc
+++ b/selfdrive/ui/qt/onroad.cc
@@ -14,7 +14,7 @@
 
 OnroadWindow::OnroadWindow(QWidget *parent) : QWidget(parent) {
   QVBoxLayout *main_layout  = new QVBoxLayout(this);
-  main_layout->setMargin(bdr_s);
+  main_layout->setMargin(UI_BORDER_SIZE);
   QStackedLayout *stacked_layout = new QStackedLayout;
   stacked_layout->setStackingMode(QStackedLayout::StackAll);
   main_layout->addLayout(stacked_layout);
@@ -68,9 +68,9 @@ void OnroadWindow::updateState(const UIState &s) {
   bool navDisabledNow = (*s.sm)["controlsState"].getControlsState().getEnabled() &&
                         !(*s.sm)["modelV2"].getModelV2().getNavEnabled();
   if (navDisabled != navDisabledNow) {
-    split->setSpacing(navDisabledNow ? bdr_s * 2 : 0);
+    split->setSpacing(navDisabledNow ? UI_BORDER_SIZE * 2 : 0);
     if (map) {
-      map->setFixedWidth(topWidget(this)->width() / 2 - bdr_s * (navDisabledNow ? 2 : 1));
+      map->setFixedWidth(topWidget(this)->width() / 2 - UI_BORDER_SIZE * (navDisabledNow ? 2 : 1));
     }
   }
 
@@ -106,7 +106,7 @@ void OnroadWindow::offroadTransition(bool offroad) {
 
       QObject::connect(m, &MapPanel::mapWindowShown, this, &OnroadWindow::mapWindowShown);
 
-      m->setFixedWidth(topWidget(this)->width() / 2 - bdr_s);
+      m->setFixedWidth(topWidget(this)->width() / 2 - UI_BORDER_SIZE);
       split->insertWidget(0, m);
 
       // hidden by default, made visible when navRoute is published
@@ -246,7 +246,7 @@ AnnotatedCameraWidget::AnnotatedCameraWidget(VisionStreamType type, QWidget* par
   pm = std::make_unique<PubMaster, const std::initializer_list<const char *>>({"uiDebug"});
 
   QVBoxLayout *main_layout  = new QVBoxLayout(this);
-  main_layout->setMargin(bdr_s);
+  main_layout->setMargin(UI_BORDER_SIZE);
   main_layout->setSpacing(0);
 
   experimental_btn = new ExperimentalButton(this);
@@ -314,10 +314,10 @@ void AnnotatedCameraWidget::drawHud(QPainter &p) {
   p.save();
 
   // Header gradient
-  QLinearGradient bg(0, header_h - (header_h / 2.5), 0, header_h);
+  QLinearGradient bg(0, UI_HEADER_HEIGHT - (UI_HEADER_HEIGHT / 2.5), 0, UI_HEADER_HEIGHT);
   bg.setColorAt(0, QColor::fromRgbF(0, 0, 0, 0.45));
   bg.setColorAt(1, QColor::fromRgbF(0, 0, 0, 0));
-  p.fillRect(0, 0, width(), header_h, bg);
+  p.fillRect(0, 0, width(), UI_HEADER_HEIGHT, bg);
 
   QString speedLimitStr = (speedLimit > 1) ? QString::number(std::nearbyint(speedLimit)) : "–";
   QString speedStr = QString::number(std::nearbyint(speed));
@@ -520,7 +520,7 @@ void AnnotatedCameraWidget::drawDriverState(QPainter &painter, const UIState *s)
   painter.save();
 
   // base icon
-  int offset = bdr_s + btn_size / 2;
+  int offset = UI_BORDER_SIZE + btn_size / 2;
   int x = rightHandDM ? width() - offset : offset;
   int y = height() - offset;
   float opacity = dmActive ? 0.65 : 0.2;
diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index 56df84fae6..e09549206a 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -16,9 +16,8 @@
 #include "common/params.h"
 #include "common/timing.h"
 
-const int bdr_s = 30;
-const int header_h = 420;
-const int footer_h = 280;
+const int UI_BORDER_SIZE = 30;
+const int UI_HEADER_HEIGHT = 420;
 
 const int UI_FREQ = 20; // Hz
 typedef cereal::CarControl::HUDControl::AudibleAlert AudibleAlert;