diff --git a/app/controllers/card_controller.rb b/app/controllers/card_controller.rb
deleted file mode 100644
index 1e2b6730d4f..00000000000
--- a/app/controllers/card_controller.rb
+++ /dev/null
@@ -1,71 +0,0 @@
-# frozen_string_literal: true
-
-class CardController < ApplicationController
-  before_action :require_login
-  before_action :require_card, only: :show
-  before_action :require_subscription, only: :show
-
-  def show
-    @card = current_user.card
-  end
-
-  def new; end
-
-  # rubocop:disable Metrics/MethodLength
-  def create
-    begin
-      token = params[:idempotency_token]
-      customer = Card.new.create(current_user, params[:stripeToken], token)
-      Subscription.new.create(customer['id'], "#{token}-subscription")
-      current_user.customer_id = customer['id']
-      current_user.save(validate: false)
-
-      flash[:notice] = 'カードを登録しました。'
-      logger.info '[Payment] カードを登録しました。'
-    rescue Stripe::CardError => e
-      current_user.customer_id = nil
-      current_user.save(validate: false)
-      flash[:alert] = "カード情報に不備があります。：#{e.message}"
-      logger.warn "[Payment] カード情報に不備があります。：#{e.message}"
-    rescue StandardError => e
-      current_user.customer_id = nil
-      current_user.save(validate: false)
-      flash[:alert] = "カード登録に失敗しました。運営会社までお問い合わせください。：#{e.message}"
-      logger.warn "[Payment] カード登録に失敗しました。運営会社までお問い合わせください。：#{e.message}"
-    end
-
-    if flash[:alert]
-      redirect_to new_card_url
-    else
-      redirect_to card_url
-    end
-  end
-  # rubocop:enable Metrics/MethodLength
-
-  def edit; end
-
-  def update
-    begin
-      Card.new.update(current_user.customer_id, params[:stripeToken])
-
-      flash[:notice] = 'カードを編集しました。'
-      logger.info '[Payment] カードを編集しました。'
-    rescue Stripe::CardError => e
-      current_user.customer_id = nil
-      current_user.save(validate: false)
-      flash[:alert] = "カード情報に不備があります。：#{e.message}"
-      logger.warn "[Payment] カード情報に不備があります。：#{e.message}"
-    rescue StandardError => e
-      current_user.customer_id = nil
-      current_user.save(validate: false)
-      flash[:alert] = "カード編集に失敗しました。運営会社までお問い合わせください。：#{e.message}"
-      logger.warn "[Payment] カード編集に失敗しました。運営会社までお問い合わせください。：#{e.message}"
-    end
-
-    if flash[:alert]
-      redirect_to edit_card_url
-    else
-      redirect_to card_url
-    end
-  end
-end
diff --git a/app/views/card/_notice.html.slim b/app/views/application/_card_notice.html.slim
similarity index 100%
rename from app/views/card/_notice.html.slim
rename to app/views/application/_card_notice.html.slim
diff --git a/app/views/application/_user_menu.html.slim b/app/views/application/_user_menu.html.slim
index 48ee21b58e5..8961c636015 100644
--- a/app/views/application/_user_menu.html.slim
+++ b/app/views/application/_user_menu.html.slim
@@ -6,17 +6,9 @@
     li.header-dropdown__item
       = link_to edit_current_user_path, class: 'header-dropdown__item-link' do
         | 登録情報変更
-    - if !current_user.adviser? && !current_user.mentor? && !current_user.trainee?
-      - if current_user.card?
+    - if current_user.card?
         li.header-dropdown__item
           = link_to 'お支払い情報', billing_portal_path, method: :post, class: 'header-dropdown__item-link'
-        li.header-dropdown__item
-          = link_to 'クレジットカード情報', card_path, class: 'header-dropdown__item-link'
-        li.header-dropdown__item
-          = link_to 'クレジットカード変更', edit_card_path, class: 'header-dropdown__item-link'
-      - else
-        li.header-dropdown__item
-          = link_to 'クレジットカード登録', new_card_path, class: 'header-dropdown__item-link'
     li.header-dropdown__item
       = link_to logout_path, class: 'header-dropdown__item-link' do
         | ログアウト
diff --git a/app/views/card/_form.html.slim b/app/views/card/_form.html.slim
deleted file mode 100644
index 8e6c50d7eba..00000000000
--- a/app/views/card/_form.html.slim
+++ /dev/null
@@ -1,18 +0,0 @@
-- method = action == :new ? 'post' : 'put'
-= javascript_include_tag 'https://js.stripe.com/v3/'
-= form_with url: card_path, method: method, local: true, id: 'payment-form' do |_|
-  = hidden_field_tag :idempotency_token, SecureRandom.uuid
-  .form__items
-    .form-item
-      label.a-form-label(for='card-element') カード番号
-      #card-element.a-text-input
-      .a-form-help
-        p
-          | 対応ブランド：Visa、Master、JCB、Diners、Amex
-          br
-          | プリペイドのクレジットカードは登録できない場合があります。
-      #card-errors(role='alert')
-  .form-actions
-    ul.form-actions__items
-      li.form-actions__item.is-main
-        = submit_tag 'カードを登録', class: 'a-button is-lg is-warning is-block'
diff --git a/app/views/card/edit.html.slim b/app/views/card/edit.html.slim
deleted file mode 100644
index 317a6b966c6..00000000000
--- a/app/views/card/edit.html.slim
+++ /dev/null
@@ -1,16 +0,0 @@
-- title 'クレジットカード変更'
-
-header.page-header
-  .container
-    .page-header__inner
-      h2.page-header__title
-        = title
-
-.page-body
-  .auth-form.is-sign-up.a-card.is-in-app
-    header.auth-form__header
-      h1.auth-form__title
-        | クレジットカード変更
-    .auth-form__body
-      = render 'form', action: :edit
-  = render 'notice'
diff --git a/app/views/card/new.html.slim b/app/views/card/new.html.slim
deleted file mode 100644
index 7776560a236..00000000000
--- a/app/views/card/new.html.slim
+++ /dev/null
@@ -1,17 +0,0 @@
-- if current_user.card?
-  - title 'クレジットカード変更'
-- else
-  - title 'クレジットカード登録'
-
-header.page-header
-  .container
-    .page-header__inner
-      h2.page-header__title = title
-
-.auth-form.is-sign-up.is-in-app
-  .a-card
-    header.auth-form__header
-      h1.auth-form__title = title
-    .auth-form__body
-      = render 'form', action: :new
-= render 'notice'
diff --git a/app/views/card/show.html.slim b/app/views/card/show.html.slim
deleted file mode 100644
index dcc43e32305..00000000000
--- a/app/views/card/show.html.slim
+++ /dev/null
@@ -1,28 +0,0 @@
-- title '登録済クレジットカード'
-
-header.page-header
-  .container
-    .page-header__inner
-      h2.page-header__title = title
-
-.auth-form.is-sign-up.a-card.is-in-app
-  .a-card
-    header.auth-form__header
-      h1.auth-form__title
-        | 登録済クレジットカード
-    .auth-form__body
-      .form__items
-        .form-item
-          .a-text-input.is-inputed.is-align-center
-            | #{@card['brand']} **** **** **** #{@card['last4']} #{format('%02d', @card['exp_month'].to_i)}/#{@card['exp_year']}
-      .form-actions
-        ul.form-actions__items
-          li.form-actions__item.is-main
-            = link_to 'カード変更', edit_card_path, class: 'a-button is-lg is-warning is-block'
-    .auth-form__footer
-      .next-settlement-time
-        h2.next-settlement-time__title
-          | 次回決済日時
-        .next-settlement-time__time
-          = l Time.zone.at(current_user.subscription['current_period_end'])
-= render 'notice'
diff --git a/app/views/users/form/_card.html.slim b/app/views/users/form/_card.html.slim
index 4580ae83ac6..0ad0442450f 100644
--- a/app/views/users/form/_card.html.slim
+++ b/app/views/users/form/_card.html.slim
@@ -8,4 +8,4 @@
         br
         | プリペイドのクレジットカードは登録できない場合があります。
     #card-errors(role='alert')
-    = render '/card/notice'
+    = render 'card_notice'
diff --git a/config/routes.rb b/config/routes.rb
index 6831ceee8fc..6a3fb569f66 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -24,7 +24,6 @@
   draw :reports
   resources :announcements
   resource :retirement, only: %i(show new create), controller: "retirement"
-  resource :card, only: %i(show new create edit update), controller: "card"
   resource :current_user, only: %i(edit update), controller: "current_user" do
     resource :password, only: %i(edit update), controller: "current_user/password"
   end