diff --git a/_examples/differentWidth/main.go b/_examples/differentWidth/main.go
index 4375a0b..7ed5b42 100644
--- a/_examples/differentWidth/main.go
+++ b/_examples/differentWidth/main.go
@@ -24,7 +24,7 @@
 		name := fmt.Sprintf("Bar#%d:", i)
 		bar := p.AddBar(int64(total),
 			// set BarWidth 40 for bar 1 and 2
-			mpb.BarOptOn(mpb.BarWidth(40), func() bool { return i > 0 }),
+			mpb.BarOptional(mpb.BarWidth(40), i > 0),
 			mpb.PrependDecorators(
 				// simple name decorator
 				decor.Name(name),
diff --git a/_examples/remove/main.go b/_examples/remove/main.go
index 2c5687a..ab8d90d 100644
--- a/_examples/remove/main.go
+++ b/_examples/remove/main.go
@@ -21,7 +21,7 @@
 		name := fmt.Sprintf("Bar#%d:", i)
 		bar := p.AddBar(int64(total),
 			mpb.BarID(i),
-			mpb.BarOptOn(mpb.BarRemoveOnComplete(), func() bool { return i == 0 }),
+			mpb.BarOptional(mpb.BarRemoveOnComplete(), i == 0),
 			mpb.PrependDecorators(
 				decor.Name(name),
 				decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncSpace),
diff --git a/progress_test.go b/progress_test.go
index b14c723..aa7a27d 100644
--- a/progress_test.go
+++ b/progress_test.go
@@ -131,7 +131,7 @@
 	p := mpb.New(mpb.WithOutput(ioutil.Discard))
 	for i := 0; i < numBars; i++ {
 		bar := p.AddBar(int64(total),
-			mpb.BarOptOn(mpb.BarRemoveOnComplete(), func() bool { return i == 0 }),
+			mpb.BarOptional(mpb.BarRemoveOnComplete(), i == 0),
 			mpb.PrependDecorators(
 				decor.EwmaETA(decor.ET_STYLE_GO, 60, decor.WCSyncSpace),
 			),