diff --git a/examples/io/single/main.go b/examples/io/single/main.go
index a5eb2e4..09d6c11 100644
--- a/examples/io/single/main.go
+++ b/examples/io/single/main.go
@@ -39,11 +39,10 @@
 
 	p := mpb.New(
 		mpb.WithWidth(60),
-		mpb.WithFormat("[=>-|"),
 		mpb.WithRefreshRate(180*time.Millisecond),
 	)
 
-	bar := p.AddBar(size,
+	bar := p.AddBar(size, mpb.BarStyle("[=>-|"),
 		mpb.PrependDecorators(
 			decor.CountersKibiByte("% 6.1f / % 6.1f"),
 		),
diff --git a/examples/singleBar/main.go b/examples/singleBar/main.go
index 7fe249f..c712afb 100644
--- a/examples/singleBar/main.go
+++ b/examples/singleBar/main.go
@@ -12,8 +12,6 @@
 	p := mpb.New(
 		// override default (80) width
 		mpb.WithWidth(64),
-		// override default "[=>-]" format
-		mpb.WithFormat("╢▌▌░╟"),
 		// override default 120ms refresh rate
 		mpb.WithRefreshRate(180*time.Millisecond),
 	)
@@ -22,6 +20,8 @@
 	name := "Single Bar:"
 	// adding a single bar
 	bar := p.AddBar(int64(total),
+		// override default "[=>-]" style
+		mpb.BarStyle("╢▌▌░╟"),
 		mpb.PrependDecorators(
 			// display our name with one space on the right
 			decor.Name(name, decor.WC{W: len(name) + 1, C: decor.DidentRight}),
diff --git a/examples/stress/main.go b/examples/stress/main.go
index b1e99fb..09d4e55 100644
--- a/examples/stress/main.go
+++ b/examples/stress/main.go
@@ -20,7 +20,10 @@
 
 func main() {
 	var wg sync.WaitGroup
-	p := mpb.New(mpb.WithWaitGroup(&wg))
+	p := mpb.New(
+		mpb.WithWaitGroup(&wg),
+		mpb.WithRefreshRate(50*time.Millisecond),
+	)
 	wg.Add(totalBars)
 
 	for i := 0; i < totalBars; i++ {