diff --git a/selfdrive/ui/qt/widgets/controls.cc b/selfdrive/ui/qt/widgets/controls.cc
index 09c23eb80c..f97cb40e13 100644
--- a/selfdrive/ui/qt/widgets/controls.cc
+++ b/selfdrive/ui/qt/widgets/controls.cc
@@ -3,18 +3,6 @@
 #include <QPainter>
 #include <QStyleOption>
 
-QFrame *horizontal_line(QWidget *parent) {
-  QFrame *line = new QFrame(parent);
-  line->setFrameShape(QFrame::StyledPanel);
-  line->setStyleSheet(R"(
-    border-width: 2px;
-    border-bottom-style: solid;
-    border-color: gray;
-  )");
-  line->setFixedHeight(10);
-  return line;
-}
-
 AbstractControl::AbstractControl(const QString &title, const QString &desc, const QString &icon, QWidget *parent) : QFrame(parent) {
   QVBoxLayout *main_layout = new QVBoxLayout(this);
   main_layout->setMargin(0);
diff --git a/selfdrive/ui/qt/widgets/controls.h b/selfdrive/ui/qt/widgets/controls.h
index 01f1eccbf9..381223a385 100644
--- a/selfdrive/ui/qt/widgets/controls.h
+++ b/selfdrive/ui/qt/widgets/controls.h
@@ -15,8 +15,6 @@
 #include "selfdrive/ui/qt/widgets/input.h"
 #include "selfdrive/ui/qt/widgets/toggle.h"
 
-QFrame *horizontal_line(QWidget *parent = nullptr);
-
 class ElidedLabel : public QLabel {
   Q_OBJECT
 
diff --git a/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.cc b/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.cc
index a43b1700f9..620e007096 100644
--- a/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.cc
+++ b/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.cc
@@ -1,5 +1,17 @@
 #include "selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.h"
 
+QFrame *horizontal_line(QWidget *parent) {
+  QFrame *line = new QFrame(parent);
+  line->setFrameShape(QFrame::StyledPanel);
+  line->setStyleSheet(R"(
+    border-width: 2px;
+    border-bottom-style: solid;
+    border-color: gray;
+  )");
+  line->setFixedHeight(10);
+  return line;
+}
+
 ParamControlSP::ParamControlSP(const QString &param, const QString &title, const QString &desc, const QString &icon, QWidget *parent)
     : ParamControl(param, title, desc, icon, parent) {
 
diff --git a/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.h b/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.h
index 624b88d6a1..55a37fa36d 100644
--- a/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.h
+++ b/selfdrive/ui/sunnypilot/qt/widgets/sp_priv_controls.h
@@ -2,6 +2,8 @@
 
 #include "selfdrive/ui/qt/widgets/controls.h"
 
+QFrame *horizontal_line(QWidget *parent = nullptr);
+
 class ParamControlSP : public ParamControl {
   Q_OBJECT