remove unused code

app.go

@@ -7,7 +7,6 @@ import (
 	"io"
 	"os"
 	"path/filepath"
-	"reflect"
 	"sort"
 	"time"
 )
@@ -485,16 +484,6 @@ func (a *App) VisibleFlags() []Flag {
 	return visibleFlags(a.Flags)
 }
 
-func (a *App) hasFlag(flag Flag) bool {
-	for _, f := range a.Flags {
-		if reflect.DeepEqual(flag, f) {
-			return true
-		}
-	}
-
-	return false
-}
-
 func (a *App) errWriter() io.Writer {
 	// When the app ErrWriter is nil use the package level one.
 	if a.ErrWriter == nil {

context.go

@@ -17,7 +17,6 @@ type Context struct {
 	App           *App
 	Command       *Command
 	shellComplete bool
-	setFlags      map[string]bool
 	flagSet       *flag.FlagSet
 	parentContext *Context
 }

helpers_test.go

@@ -24,9 +24,3 @@ func expect(t *testing.T, a interface{}, b interface{}) {
 		t.Errorf("(%s:%d) Expected %v (type %v) - Got %v (type %v)", fn, line, b, reflect.TypeOf(b), a, reflect.TypeOf(a))
 	}
 }
-
-func refute(t *testing.T, a interface{}, b interface{}) {
-	if reflect.DeepEqual(a, b) {
-		t.Errorf("Did not expect %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
-	}
-}