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diff --git a/src/pkg/flag/example_test.go b/src/pkg/flag/example_test.go
deleted file mode 100644
index 04a0d20ee..000000000
--- a/src/pkg/flag/example_test.go
+++ /dev/null
@@ -1,83 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// These examples demonstrate more intricate uses of the flag package.
-package flag_test
-
-import (
-	"errors"
-	"flag"
-	"fmt"
-	"strings"
-	"time"
-)
-
-// Example 1: A single string flag called "species" with default value "gopher".
-var species = flag.String("species", "gopher", "the species we are studying")
-
-// Example 2: Two flags sharing a variable, so we can have a shorthand.
-// The order of initialization is undefined, so make sure both use the
-// same default value. They must be set up with an init function.
-var gopherType string
-
-func init() {
-	const (
-		defaultGopher = "pocket"
-		usage         = "the variety of gopher"
-	)
-	flag.StringVar(&gopherType, "gopher_type", defaultGopher, usage)
-	flag.StringVar(&gopherType, "g", defaultGopher, usage+" (shorthand)")
-}
-
-// Example 3: A user-defined flag type, a slice of durations.
-type interval []time.Duration
-
-// String is the method to format the flag's value, part of the flag.Value interface.
-// The String method's output will be used in diagnostics.
-func (i *interval) String() string {
-	return fmt.Sprint(*i)
-}
-
-// Set is the method to set the flag value, part of the flag.Value interface.
-// Set's argument is a string to be parsed to set the flag.
-// It's a comma-separated list, so we split it.
-func (i *interval) Set(value string) error {
-	// If we wanted to allow the flag to be set multiple times,
-	// accumulating values, we would delete this if statement.
-	// That would permit usages such as
-	//	-deltaT 10s -deltaT 15s
-	// and other combinations.
-	if len(*i) > 0 {
-		return errors.New("interval flag already set")
-	}
-	for _, dt := range strings.Split(value, ",") {
-		duration, err := time.ParseDuration(dt)
-		if err != nil {
-			return err
-		}
-		*i = append(*i, duration)
-	}
-	return nil
-}
-
-// Define a flag to accumulate durations. Because it has a special type,
-// we need to use the Var function and therefore create the flag during
-// init.
-
-var intervalFlag interval
-
-func init() {
-	// Tie the command-line flag to the intervalFlag variable and
-	// set a usage message.
-	flag.Var(&intervalFlag, "deltaT", "comma-separated list of intervals to use between events")
-}
-
-func Example() {
-	// All the interesting pieces are with the variables declared above, but
-	// to enable the flag package to see the flags defined there, one must
-	// execute, typically at the start of main (not init!):
-	//	flag.Parse()
-	// We don't run it here because this is not a main function and
-	// the testing suite has already parsed the flags.
-}