diff --git a/app/headless/headless_test.go b/app/headless/headless_test.go
index e92bb510..2630a840 100644
--- a/app/headless/headless_test.go
+++ b/app/headless/headless_test.go
@@ -61,7 +61,7 @@ func TestClipping(t *testing.T) {
 			Max: f32.Point{X: 250, Y: 250},
 		},
 		SE: 75,
-	}.Op(&ops).Add(&ops)
+	}.Add(&ops)
 	pop.Add(&ops)
 	paint.ColorOp{Color: col2}.Add(&ops)
 	clip.Rect{
@@ -70,7 +70,7 @@ func TestClipping(t *testing.T) {
 			Max: f32.Point{X: 350, Y: 350},
 		},
 		NW: 75,
-	}.Op(&ops).Add(&ops)
+	}.Add(&ops)
 	pop.Add(&ops)
 	if err := w.Frame(&ops); err != nil {
 		t.Fatal(err)
diff --git a/example/gophers/ui.go b/example/gophers/ui.go
index 16a6c9c0..405eeb87 100644
--- a/example/gophers/ui.go
+++ b/example/gophers/ui.go
@@ -364,7 +364,7 @@ func (c *clipCircle) Layout(gtx layout.Context, w layout.Widget) layout.Dimensio
 	clip.Rect{
 		Rect: f32.Rectangle{Max: f32.Point{X: szf, Y: szf}},
 		NE:   rr, NW: rr, SE: rr, SW: rr,
-	}.Op(gtx.Ops).Add(gtx.Ops)
+	}.Add(gtx.Ops)
 	call.Add(gtx.Ops)
 	return dims
 }
diff --git a/layout/list.go b/layout/list.go
index 68b63f74..ebc7f2ee 100644
--- a/layout/list.go
+++ b/layout/list.go
@@ -258,7 +258,7 @@ func (l *List) layout() Dimensions {
 			Max: axisPoint(l.Axis, max, inf),
 		}
 		stack := op.Push(ops)
-		clip.Rect{Rect: FRect(r)}.Op(ops).Add(ops)
+		clip.Rect{Rect: FRect(r)}.Add(ops)
 		op.Offset(FPt(axisPoint(l.Axis, pos, cross))).Add(ops)
 		child.call.Add(ops)
 		stack.Pop()
diff --git a/op/clip/clip.go b/op/clip/clip.go
index 59554b53..f77d45d7 100644
--- a/op/clip/clip.go
+++ b/op/clip/clip.go
@@ -193,8 +193,8 @@ func (p *Path) End() Op {
 }
 
 // Rect represents the clip area of a rectangle with rounded
-// corners.The origin is in the upper left
-// corner.
+// corners.
+//
 // Specify a square with corner radii equal to half the square size to
 // construct a circular clip area.
 type Rect struct {
@@ -203,8 +203,8 @@ type Rect struct {
 	SE, SW, NW, NE float32
 }
 
-// Op returns the Op for the rectangle.
-func (rr Rect) Op(ops *op.Ops) Op {
+// op returns the op for the rectangle.
+func (rr Rect) op(ops *op.Ops) Op {
 	r := rr.Rect
 	// Optimize for the common pixel aligned rectangle with no
 	// corner rounding.
@@ -221,9 +221,9 @@ func (rr Rect) Op(ops *op.Ops) Op {
 	return roundRect(ops, r, rr.SE, rr.SW, rr.NW, rr.NE)
 }
 
-// Add is a shorthand for Op(ops).Add(ops).
+// Add the rectangle clip operation.
 func (rr Rect) Add(ops *op.Ops) {
-	rr.Op(ops).Add(ops)
+	rr.op(ops).Add(ops)
 }
 
 // roundRect returns the clip area of a rectangle with rounded
diff --git a/widget/image.go b/widget/image.go
index 5ade15d5..979be90d 100644
--- a/widget/image.go
+++ b/widget/image.go
@@ -34,7 +34,7 @@ func (im Image) Layout(gtx layout.Context) layout.Dimensions {
 	cs := gtx.Constraints
 	d := cs.Constrain(image.Pt(w, h))
 	stack := op.Push(gtx.Ops)
-	clip.Rect{Rect: f32.Rectangle{Max: layout.FPt(d)}}.Op(gtx.Ops).Add(gtx.Ops)
+	clip.Rect{Rect: f32.Rectangle{Max: layout.FPt(d)}}.Add(gtx.Ops)
 	im.Src.Add(gtx.Ops)
 	paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: float32(w), Y: float32(h)}}}.Add(gtx.Ops)
 	stack.Pop()
diff --git a/widget/material/button.go b/widget/material/button.go
index 7d7dba0c..c70a2848 100644
--- a/widget/material/button.go
+++ b/widget/material/button.go
@@ -94,7 +94,7 @@ func Clickable(gtx layout.Context, button *widget.Clickable, w layout.Widget) la
 					X: float32(gtx.Constraints.Min.X),
 					Y: float32(gtx.Constraints.Min.Y),
 				}},
-			}.Op(gtx.Ops).Add(gtx.Ops)
+			}.Add(gtx.Ops)
 			for _, c := range button.History() {
 				drawInk(gtx, c)
 			}
@@ -128,7 +128,7 @@ func (b ButtonLayoutStyle) Layout(gtx layout.Context, w layout.Widget) layout.Di
 					Y: float32(gtx.Constraints.Min.Y),
 				}},
 				NE: rr, NW: rr, SE: rr, SW: rr,
-			}.Op(gtx.Ops).Add(gtx.Ops)
+			}.Add(gtx.Ops)
 			background := b.Background
 			if gtx.Queue == nil {
 				background = mulAlpha(b.Background, 150)
@@ -156,7 +156,7 @@ func (b IconButtonStyle) Layout(gtx layout.Context) layout.Dimensions {
 			clip.Rect{
 				Rect: f32.Rectangle{Max: f32.Point{X: sizef, Y: sizef}},
 				NE:   rr, NW: rr, SE: rr, SW: rr,
-			}.Op(gtx.Ops).Add(gtx.Ops)
+			}.Add(gtx.Ops)
 			background := b.Background
 			if gtx.Queue == nil {
 				background = mulAlpha(b.Background, 150)
@@ -288,6 +288,6 @@ func drawInk(gtx layout.Context, c widget.Press) {
 			Y: float32(size),
 		}},
 		NE: rr, NW: rr, SE: rr, SW: rr,
-	}.Op(gtx.Ops).Add(gtx.Ops)
+	}.Add(gtx.Ops)
 	paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: float32(size), Y: float32(size)}}}.Add(gtx.Ops)
 }
diff --git a/widget/material/progressbar.go b/widget/material/progressbar.go
index 173a9c0b..d5d519c0 100644
--- a/widget/material/progressbar.go
+++ b/widget/material/progressbar.go
@@ -38,7 +38,7 @@ func (p ProgressBarStyle) Layout(gtx layout.Context) layout.Dimensions {
 		clip.Rect{
 			Rect: f32.Rectangle{Max: f32.Point{X: width, Y: float32(gtx.Px(maxHeight))}},
 			NE:   rr, NW: rr, SE: rr, SW: rr,
-		}.Op(gtx.Ops).Add(gtx.Ops)
+		}.Add(gtx.Ops)
 
 		paint.ColorOp{Color: color}.Add(gtx.Ops)
 		paint.PaintOp{Rect: dr}.Add(gtx.Ops)
diff --git a/widget/material/slider.go b/widget/material/slider.go
index fa2cbd08..0f49b308 100644
--- a/widget/material/slider.go
+++ b/widget/material/slider.go
@@ -70,7 +70,7 @@ func (s SliderStyle) Layout(gtx layout.Context) layout.Dimensions {
 			Y: halfWidth + trackWidth/2,
 		},
 	}
-	clip.Rect{Rect: track}.Op(gtx.Ops).Add(gtx.Ops)
+	clip.Rect{Rect: track}.Add(gtx.Ops)
 	paint.ColorOp{Color: color}.Add(gtx.Ops)
 	paint.PaintOp{Rect: track}.Add(gtx.Ops)
 	st.Pop()
@@ -79,7 +79,7 @@ func (s SliderStyle) Layout(gtx layout.Context) layout.Dimensions {
 	st = op.Push(gtx.Ops)
 	track.Min.X = thumbPos
 	track.Max.X = float32(size.X) - halfWidth
-	clip.Rect{Rect: track}.Op(gtx.Ops).Add(gtx.Ops)
+	clip.Rect{Rect: track}.Add(gtx.Ops)
 	paint.ColorOp{Color: mulAlpha(color, 96)}.Add(gtx.Ops)
 	paint.PaintOp{Rect: track}.Add(gtx.Ops)
 	st.Pop()
@@ -100,7 +100,7 @@ func (s SliderStyle) Layout(gtx layout.Context) layout.Dimensions {
 	clip.Rect{
 		Rect: thumb,
 		NE:   rr, NW: rr, SE: rr, SW: rr,
-	}.Op(gtx.Ops).Add(gtx.Ops)
+	}.Add(gtx.Ops)
 	paint.ColorOp{Color: color}.Add(gtx.Ops)
 	paint.PaintOp{Rect: thumb}.Add(gtx.Ops)
 	st.Pop()
diff --git a/widget/material/switch.go b/widget/material/switch.go
index cb35c38c..9172b99d 100644
--- a/widget/material/switch.go
+++ b/widget/material/switch.go
@@ -59,7 +59,7 @@ func (s SwitchStyle) Layout(gtx layout.Context) layout.Dimensions {
 	clip.Rect{
 		Rect: trackRect,
 		NE:   trackCorner, NW: trackCorner, SE: trackCorner, SW: trackCorner,
-	}.Op(gtx.Ops).Add(gtx.Ops)
+	}.Add(gtx.Ops)
 	paint.ColorOp{Color: trackColor}.Add(gtx.Ops)
 	paint.PaintOp{Rect: trackRect}.Add(gtx.Ops)
 	stack.Pop()
@@ -79,7 +79,7 @@ func (s SwitchStyle) Layout(gtx layout.Context) layout.Dimensions {
 			Max: layout.FPt(gtx.Constraints.Min),
 		},
 		NE: rr, NW: rr, SE: rr, SW: rr,
-	}.Op(gtx.Ops).Add(gtx.Ops)
+	}.Add(gtx.Ops)
 	for _, p := range s.Switch.History() {
 		drawInk(gtx, p)
 	}
@@ -130,7 +130,7 @@ func drawDisc(ops *op.Ops, sz float32, col color.RGBA) {
 	clip.Rect{
 		Rect: r,
 		NE:   rr, NW: rr, SE: rr, SW: rr,
-	}.Op(ops).Add(ops)
+	}.Add(ops)
 	paint.ColorOp{Color: col}.Add(ops)
 	paint.PaintOp{Rect: r}.Add(ops)
 }