diff --git a/toonz/sources/toonz/cameracapturelevelcontrol.cpp b/toonz/sources/toonz/cameracapturelevelcontrol.cpp
index 1cb054ae..bb6a5662 100644
--- a/toonz/sources/toonz/cameracapturelevelcontrol.cpp
+++ b/toonz/sources/toonz/cameracapturelevelcontrol.cpp
@@ -148,7 +148,7 @@ void CameraCaptureLevelHistogram::mousePressEvent(QMouseEvent* event) {
     m_offset = pos.x() - SIDE_MARGIN - m_black;
   else if (m_currentItem == GammaSlider)
     m_offset = pos.x() - SIDE_MARGIN - gammaToHPos(m_gamma, m_black, m_white);
-  else if (m_currentItem == BlackSlider)
+  else if (m_currentItem == WhiteSlider)
     m_offset = pos.x() - SIDE_MARGIN - m_white;
   else if (m_currentItem == ThresholdSlider)
     m_offset = pos.x() - SIDE_MARGIN - m_threshold;
diff --git a/toonz/sources/toonz/cameracapturelevelcontrol_qt.cpp b/toonz/sources/toonz/cameracapturelevelcontrol_qt.cpp
index 54d3eb06..f9712958 100644
--- a/toonz/sources/toonz/cameracapturelevelcontrol_qt.cpp
+++ b/toonz/sources/toonz/cameracapturelevelcontrol_qt.cpp
@@ -157,7 +157,7 @@ void CameraCaptureLevelHistogram::mousePressEvent(QMouseEvent* event) {
     m_offset = pos.x() - SIDE_MARGIN - m_black;
   else if (m_currentItem == GammaSlider)
     m_offset = pos.x() - SIDE_MARGIN - gammaToHPos(m_gamma, m_black, m_white);
-  else if (m_currentItem == BlackSlider)
+  else if (m_currentItem == WhiteSlider)
     m_offset = pos.x() - SIDE_MARGIN - m_white;
   else if (m_currentItem == ThresholdSlider)
     m_offset = pos.x() - SIDE_MARGIN - m_threshold;
diff --git a/toonz/sources/toonzqt/functionpanel.cpp b/toonz/sources/toonzqt/functionpanel.cpp
index c3f40e60..dd501fb4 100644
--- a/toonz/sources/toonzqt/functionpanel.cpp
+++ b/toonz/sources/toonzqt/functionpanel.cpp
@@ -1000,11 +1000,6 @@ void FunctionPanel::drawCurrentCurve(QPainter &painter) {
                        p.y() + easeHeight + easeTick);
       break;
 
-      painter.setBrush(
-          Qt::NoBrush);  // isSelected ? QColor(255,126,0) : Qt::white);
-      painter.setPen(isHighlighted ? QColor(255, 126, 0) : m_selectedColor);
-      painter.drawLine(p.x(), p.y() - 15, p.x(), p.y() + 15);
-      break;
     default:
       break;
     }