diff --git a/src/os/exec/exec.go b/src/os/exec/exec.go
index 0b16f22a99..7f0d68b071 100644
--- a/src/os/exec/exec.go
+++ b/src/os/exec/exec.go
@@ -91,9 +91,6 @@ type Cmd struct {
 	// ExtraFiles specifies additional open files to be inherited by the
 	// new process. It does not include standard input, standard output, or
 	// standard error. If non-nil, entry i becomes file descriptor 3+i.
-	//
-	// BUG(rsc): On OS X 10.6, child processes may sometimes inherit unwanted fds.
-	// https://golang.org/issue/2603
 	ExtraFiles []*os.File
 
 	// SysProcAttr holds optional, operating system-specific attributes.