diff --git a/elements/fun/clock.go b/elements/fun/clock.go
index 00861ab..e2c3677 100644
--- a/elements/fun/clock.go
+++ b/elements/fun/clock.go
@@ -84,15 +84,6 @@ func (element *AnalogClock) draw () {
 	element.radialLine(accent,     0, 0.7, (second - 15) / 30 * math.Pi)
 }
 
-// FlexibleHeightFor constrains the clock's minimum size to a 1:1 aspect ratio.
-func (element *AnalogClock) FlexibleHeightFor (width int) (height int) {
-	return width
-}
-
-// OnFlexibleHeightChange sets a function to be called when the parameters
-// affecting the clock's flexible height change.
-func (element *AnalogClock) OnFlexibleHeightChange (func ()) { }
-
 func (element *AnalogClock) radialLine (
 	source color.RGBA,
 	inner  float64,
diff --git a/examples/goroutines/main.go b/examples/goroutines/main.go
index 0a383d1..16992c1 100644
--- a/examples/goroutines/main.go
+++ b/examples/goroutines/main.go
@@ -14,7 +14,7 @@ func main () {
 }
 
 func run () {
-	window, _ := tomo.NewWindow(2, 2)
+	window, _ := tomo.NewWindow(200, 216)
 	window.SetTitle("Clock")
 	container := basicElements.NewContainer(basicLayouts.Vertical { true, true })
 	window.Adopt(container)