diff --git a/cmd/oras/internal/display/prompt/prompt.go b/cmd/oras/internal/display/prompt/prompt.go
deleted file mode 100644
index 250b81638..000000000
--- a/cmd/oras/internal/display/prompt/prompt.go
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
-Copyright The ORAS Authors.
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package prompt
-
-import (
-	"fmt"
-	"reflect"
-)
-
-var ()
-
-type prompt struct {
-	Copying, Skipped, Exists, Copied, Downloading, Downloaded string
-}
-
-func New() *prompt {
-	var p prompt
-	p.pad()
-	return &p
-}
-
-// pad appends the prompt strings with spaces to make them the same length.
-func (p *prompt) pad() {
-	v := reflect.ValueOf(p).Elem()
-	t := v.Type()
-	maxLen := 0
-
-	for i := 0; i < v.NumField(); i++ {
-		f := v.Field(i)
-		if f.IsValid() && f.CanSet() && f.Kind() == reflect.String {
-			sf := t.Field(i)
-			len := len(sf.Name)
-			if len > maxLen {
-				maxLen = len
-			}
-		}
-
-	}
-
-	for i := 0; i < v.NumField(); i++ {
-		f := v.Field(i)
-		if f.IsValid() && f.CanSet() && f.Kind() == reflect.String {
-			sf := t.Field(i)
-			f.SetString(fmt.Sprintf("%-*s", maxLen, sf.Name))
-		}
-	}
-}