diff --git a/_examples/io/main.go b/_examples/io/main.go
new file mode 100644
index 0000000..6413b2c
--- /dev/null
+++ b/_examples/io/main.go
@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/vbauerster/mpb/v4"
+	"github.com/vbauerster/mpb/v4/decor"
+)
+
+func main() {
+	url := "https://github.com/onivim/oni/releases/download/v0.3.4/Oni-0.3.4-amd64-linux.deb"
+
+	resp, err := http.Get(url)
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		fmt.Printf("Server return non-200 status: %s\n", resp.Status)
+		return
+	}
+
+	size := resp.ContentLength
+
+	// create dest
+	destName := filepath.Base(url)
+	dest, err := os.Create(destName)
+	if err != nil {
+		fmt.Printf("Can't create %s: %v\n", destName, err)
+		return
+	}
+	defer dest.Close()
+
+	p := mpb.New(
+		mpb.WithWidth(60),
+		mpb.WithRefreshRate(180*time.Millisecond),
+	)
+
+	bar := p.AddBar(size, mpb.BarStyle("[=>-|"),
+		mpb.PrependDecorators(
+			decor.CountersKibiByte("% 6.1f / % 6.1f"),
+		),
+		mpb.AppendDecorators(
+			decor.EwmaETA(decor.ET_STYLE_MMSS, float64(size)/2048),
+			decor.Name(" ] "),
+			decor.AverageSpeed(decor.UnitKiB, "% .2f"),
+		),
+	)
+
+	// create proxy reader
+	reader := bar.ProxyReader(resp.Body)
+
+	// and copy from reader, ignoring errors
+	io.Copy(dest, reader)
+
+	p.Wait()
+}
diff --git a/_examples/io/multiple/main.go b/_examples/io/multiple/main.go
deleted file mode 100644
index 1d0a6a6..0000000
--- a/_examples/io/multiple/main.go
+++ /dev/null
@@ -1,83 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io"
-	"log"
-	"net/http"
-	"os"
-	"path/filepath"
-	"sync"
-
-	"github.com/vbauerster/mpb/v4"
-	"github.com/vbauerster/mpb/v4/decor"
-)
-
-func main() {
-	log.SetOutput(os.Stderr)
-
-	url1 := "https://homebrew.bintray.com/bottles/youtube-dl-2016.12.12.sierra.bottle.tar.gz"
-	url2 := "https://homebrew.bintray.com/bottles/libtiff-4.0.7.sierra.bottle.tar.gz"
-
-	var wg sync.WaitGroup
-	p := mpb.New(mpb.WithWidth(64), mpb.WithWaitGroup(&wg))
-
-	for i, url := range [...]string{url1, url2} {
-		wg.Add(1)
-		name := fmt.Sprintf("url%d:", i+1)
-		go download(&wg, p, name, url, i)
-	}
-
-	p.Wait()
-}
-
-func download(wg *sync.WaitGroup, p *mpb.Progress, name, url string, n int) {
-	defer wg.Done()
-	resp, err := http.Get(url)
-	if err != nil {
-		log.Printf("%s: %v", name, err)
-		return
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode != http.StatusOK {
-		err = fmt.Errorf("non-200 status: %s", resp.Status)
-		log.Printf("%s: %v", name, err)
-		return
-	}
-
-	size := resp.ContentLength
-
-	// create dest
-	destName := filepath.Base(url)
-	dest, err := os.Create(destName)
-	if err != nil {
-		err = fmt.Errorf("Can't create %s: %v", destName, err)
-		log.Printf("%s: %v", name, err)
-		return
-	}
-
-	// create bar with appropriate decorators
-	bar := p.AddBar(size, mpb.BarPriority(n),
-		mpb.PrependDecorators(
-			decor.Name(name, decor.WC{W: len(name) + 1, C: decor.DidentRight}),
-			decor.CountersKibiByte("%6.1f / %6.1f", decor.WCSyncWidth),
-		),
-		mpb.AppendDecorators(
-			decor.EwmaETA(decor.ET_STYLE_HHMMSS, 1024*4, decor.WCSyncWidth),
-			decor.AverageSpeed(decor.UnitKiB, "% .2f"),
-		),
-	)
-
-	// create proxy reader
-	reader := bar.ProxyReader(resp.Body)
-	// and copy from reader
-	_, err = io.Copy(dest, reader)
-
-	if e := dest.Close(); err == nil {
-		err = e
-	}
-	if err != nil {
-		log.Printf("%s: %v", name, err)
-	}
-}
diff --git a/_examples/io/single/main.go b/_examples/io/single/main.go
deleted file mode 100644
index 6413b2c..0000000
--- a/_examples/io/single/main.go
+++ /dev/null
@@ -1,63 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io"
-	"net/http"
-	"os"
-	"path/filepath"
-	"time"
-
-	"github.com/vbauerster/mpb/v4"
-	"github.com/vbauerster/mpb/v4/decor"
-)
-
-func main() {
-	url := "https://github.com/onivim/oni/releases/download/v0.3.4/Oni-0.3.4-amd64-linux.deb"
-
-	resp, err := http.Get(url)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode != http.StatusOK {
-		fmt.Printf("Server return non-200 status: %s\n", resp.Status)
-		return
-	}
-
-	size := resp.ContentLength
-
-	// create dest
-	destName := filepath.Base(url)
-	dest, err := os.Create(destName)
-	if err != nil {
-		fmt.Printf("Can't create %s: %v\n", destName, err)
-		return
-	}
-	defer dest.Close()
-
-	p := mpb.New(
-		mpb.WithWidth(60),
-		mpb.WithRefreshRate(180*time.Millisecond),
-	)
-
-	bar := p.AddBar(size, mpb.BarStyle("[=>-|"),
-		mpb.PrependDecorators(
-			decor.CountersKibiByte("% 6.1f / % 6.1f"),
-		),
-		mpb.AppendDecorators(
-			decor.EwmaETA(decor.ET_STYLE_MMSS, float64(size)/2048),
-			decor.Name(" ] "),
-			decor.AverageSpeed(decor.UnitKiB, "% .2f"),
-		),
-	)
-
-	// create proxy reader
-	reader := bar.ProxyReader(resp.Body)
-
-	// and copy from reader, ignoring errors
-	io.Copy(dest, reader)
-
-	p.Wait()
-}