diff --git a/foo.go b/foo.go
deleted file mode 100644
index e93761e..0000000
--- a/foo.go
+++ /dev/null
@@ -1,28 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"sync"
-)
-
-func main() {
-	c := make(chan string, 5)
-	w := sync.WaitGroup{}
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	c<-"foo"
-	//c<-"foo"
-	//c<-"foo"
-	//c<-"foo"
-	//c<-"foo"
-	//c<-"foo"
-	close(c)
-	fmt.Println("closed")
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Add(1); go func() { v, ok := <-c; fmt.Printf("done %s %t\n", v, ok); w.Done() }()
-	w.Wait()
-}
diff --git a/foo2.go b/foo2.go
deleted file mode 100644
index 6fef5b8..0000000
--- a/foo2.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package main
-
-func main() {
-	c := make(chan string, 1)
-	c<-"foo"
-	<-c
-}