diff --git a/src/net/net.go b/src/net/net.go
index 3b06e6b4898..439d21cfc1a 100644
--- a/src/net/net.go
+++ b/src/net/net.go
@@ -419,10 +419,6 @@ func genericReadFrom(w io.Writer, r io.Reader) (n int64, err error) {
 
 var threadLimit = make(chan struct{}, 500)
 
-// Using send for acquire is fine here because we are not using this
-// to protect any memory. All we care about is the number of goroutines
-// making calls at a time.
-
 func acquireThread() {
 	threadLimit <- struct{}{}
 }