diff --git a/component/layout/layout.go b/component/layout/layout.go
index 92c4af7..9eeab1c 100644
--- a/component/layout/layout.go
+++ b/component/layout/layout.go
@@ -67,7 +67,6 @@ func (l *Layout) changeMode(m Mode) {
 }
 
 func (l *Layout) HandleMouseClick(x int, y int) {
-	l.getSelection().CommandChannel <- &data.Command{Type: runchart.CommandMoveSelection, Value: 0}
 	l.menu.Idle()
 	selected, i := l.findComponentAtPoint(image.Point{X: x, Y: y})
 	if selected == nil {
@@ -302,6 +301,7 @@ func (l *Layout) Draw(buffer *ui.Buffer) {
 	l.menu.Draw(buffer)
 }
 
+// TODO extract x/y calculation to a separate method
 func (l *Layout) findComponentAtPoint(point image.Point) (*component.Component, int) {
 
 	columnWidth := float64(l.GetRect().Dx()) / float64(columnsCount)
diff --git a/component/runchart/runchart.go b/component/runchart/runchart.go
index ab5fa86..e69e863 100644
--- a/component/runchart/runchart.go
+++ b/component/runchart/runchart.go
@@ -21,7 +21,7 @@ const (
 	xAxisLabelsIndent  = 2
 	yAxisLabelsHeight  = 1
 	yAxisLabelsIndent  = 1
-	historyReserveMin  = 20
+	historyReserveMin  = 2
 	xBrailleMultiplier = 2
 	yBrailleMultiplier = 4
 )
@@ -208,7 +208,8 @@ func (c *RunChart) renderLines(buffer *ui.Buffer, drawArea image.Rectangle) {
 	selectionPoints := make(map[int]image.Point)
 
 	probe := c.lines[0].points[0]
-	delta := ui.AbsInt(c.calculateTimeCoordinate(probe.time) - probe.coordinate)
+	probeCalculatedCoordinate := c.calculateTimeCoordinate(probe.time)
+	delta := probe.coordinate - probeCalculatedCoordinate
 
 	for i, line := range c.lines {