diff --git a/cmd/go.mod b/cmd/go.mod
index f5ecfa56..09a94bdd 100644
--- a/cmd/go.mod
+++ b/cmd/go.mod
@@ -3,7 +3,7 @@ module gioui.org/cmd
 go 1.13
 
 require (
-	gioui.org v0.0.0-20200609205719-d1ea9339d5a3
+	gioui.org v0.0.0-20200609212308-6380baacb6c4
 	github.com/chromedp/cdproto v0.0.0-20191114225735-6626966fbae4
 	github.com/chromedp/chromedp v0.5.2
 	golang.org/x/image v0.0.0-20190802002840-cff245a6509b
diff --git a/cmd/go.sum b/cmd/go.sum
index 11f2612a..b6eff5ac 100644
--- a/cmd/go.sum
+++ b/cmd/go.sum
@@ -1,6 +1,6 @@
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-gioui.org v0.0.0-20200609205719-d1ea9339d5a3 h1:OtHUEpG7mEh9LLhlkVlsREK8FLu0K5W5ElosuXKHptg=
-gioui.org v0.0.0-20200609205719-d1ea9339d5a3/go.mod h1:AHI9rFr6AEEHCb8EPVtb/p5M+NMJRKH58IOp8O3Je04=
+gioui.org v0.0.0-20200609212308-6380baacb6c4 h1:f46RMK4xQe/lY6RKAVb+piVxookdTnb7LTddYsjgGt4=
+gioui.org v0.0.0-20200609212308-6380baacb6c4/go.mod h1:AHI9rFr6AEEHCb8EPVtb/p5M+NMJRKH58IOp8O3Je04=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/chromedp/cdproto v0.0.0-20191114225735-6626966fbae4 h1:QD3KxSJ59L2lxG6MXBjNHxiQO2RmxTQ3XcK+wO44WOg=
diff --git a/example/glfw/main.go b/example/glfw/main.go
index eca89ab1..2f964a99 100644
--- a/example/glfw/main.go
+++ b/example/glfw/main.go
@@ -95,6 +95,7 @@ func main() {
 		ops.Reset()
 		gtx := layout.Context{
 			Ops:         &ops,
+			Now:         time.Now(),
 			Queue:       &queue,
 			Config:      &glfwConfig{scale},
 			Constraints: layout.Exact(sz),
@@ -159,10 +160,6 @@ func registerCallbacks(window *glfw.Window, q *router.Router) {
 	})
 }
 
-func (s *glfwConfig) Now() time.Time {
-	return time.Now()
-}
-
 func (s *glfwConfig) Px(v unit.Value) int {
 	scale := s.Scale
 	if v.U == unit.UnitPx {
diff --git a/example/go.mod b/example/go.mod
index 046ddcaf..8c728623 100644
--- a/example/go.mod
+++ b/example/go.mod
@@ -3,7 +3,7 @@ module gioui.org/example
 go 1.13
 
 require (
-	gioui.org v0.0.0-20200609205719-d1ea9339d5a3
+	gioui.org v0.0.0-20200609212308-6380baacb6c4
 	github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7
 	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72
 	github.com/google/go-github/v24 v24.0.1
diff --git a/example/go.sum b/example/go.sum
index c58e3cfd..cd392287 100644
--- a/example/go.sum
+++ b/example/go.sum
@@ -1,7 +1,7 @@
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-gioui.org v0.0.0-20200609205719-d1ea9339d5a3 h1:OtHUEpG7mEh9LLhlkVlsREK8FLu0K5W5ElosuXKHptg=
-gioui.org v0.0.0-20200609205719-d1ea9339d5a3/go.mod h1:AHI9rFr6AEEHCb8EPVtb/p5M+NMJRKH58IOp8O3Je04=
+gioui.org v0.0.0-20200609212308-6380baacb6c4 h1:f46RMK4xQe/lY6RKAVb+piVxookdTnb7LTddYsjgGt4=
+gioui.org v0.0.0-20200609212308-6380baacb6c4/go.mod h1:AHI9rFr6AEEHCb8EPVtb/p5M+NMJRKH58IOp8O3Je04=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7 h1:SCYMcCJ89LjRGwEa0tRluNRiMjZHalQZrVrvTbPh+qw=
 github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7/go.mod h1:482civXOzJJCPzJ4ZOX/pwvXBWSnzD4OKMdH4ClKGbk=
diff --git a/example/kitchen/kitchen.go b/example/kitchen/kitchen.go
index 1cffbd0a..e8ac78cd 100644
--- a/example/kitchen/kitchen.go
+++ b/example/kitchen/kitchen.go
@@ -294,10 +294,6 @@ func kitchen(gtx layout.Context, th *material.Theme) layout.Dimensions {
 	})
 }
 
-func (s *scaledConfig) Now() time.Time {
-	return time.Now()
-}
-
 func (s *scaledConfig) Px(v unit.Value) int {
 	scale := s.Scale
 	if v.U == unit.UnitPx {
diff --git a/example/tabs/slider.go b/example/tabs/slider.go
index f21a6c0e..72ca205b 100644
--- a/example/tabs/slider.go
+++ b/example/tabs/slider.go
@@ -39,13 +39,13 @@ func (s *Slider) Layout(gtx layout.Context, w layout.Widget) layout.Dimensions {
 		s.next = nil
 		s.lastCall = s.nextCall
 		s.offset = float32(s.push)
-		s.t0 = gtx.Now()
+		s.t0 = gtx.Now
 		s.push = 0
 	}
 
 	var delta time.Duration
 	if !s.t0.IsZero() {
-		now := gtx.Now()
+		now := gtx.Now
 		delta = now.Sub(s.t0)
 		s.t0 = now
 	}