diff --git a/app/controllers/cards/previews_controller.rb b/app/controllers/cards/previews_controller.rb
index aa8877d12..fdf646d2f 100644
--- a/app/controllers/cards/previews_controller.rb
+++ b/app/controllers/cards/previews_controller.rb
@@ -4,6 +4,6 @@ class Cards::PreviewsController < ApplicationController
   before_action :set_filter, only: :index
 
   def index
-    set_page_and_extract_portion_from @filter.cards, per_page: CardsController::PAGE_SIZE
+    set_page_and_extract_portion_from @filter.cards
   end
 end
diff --git a/app/controllers/cards_controller.rb b/app/controllers/cards_controller.rb
index 5dc851c2a..174c0270e 100644
--- a/app/controllers/cards_controller.rb
+++ b/app/controllers/cards_controller.rb
@@ -4,8 +4,6 @@ class CardsController < ApplicationController
   before_action :set_collection, only: %i[ create ]
   before_action :set_card, only: %i[ show edit update destroy ]
 
-  PAGE_SIZE = 25
-
   def index
     set_page_and_extract_portion_from @filter.cards
   end
diff --git a/app/controllers/public/collections/card_previews_controller.rb b/app/controllers/public/collections/card_previews_controller.rb
deleted file mode 100644
index f7572616a..000000000
--- a/app/controllers/public/collections/card_previews_controller.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-class Public::Collections::CardPreviewsController < ApplicationController
-  include PublicCollectionScoped
-
-  allow_unauthenticated_access only: :index
-
-  def index
-    set_page_and_extract_portion_from find_cards, per_page: CardsController::PAGE_SIZE
-  end
-
-  private
-    def find_cards
-      case params[:target]
-      when "considering-cards"
-        @collection.cards.considering.latest
-      when "doing-cards"
-        @collection.cards.doing.latest
-      when "closed-cards"
-        @collection.cards.closed.recently_closed_first
-      else
-        raise ActionController::BadRequest
-      end
-    end
-end
diff --git a/config/routes.rb b/config/routes.rb
index 5e187e3e1..1431c1836 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -161,8 +161,6 @@ Rails.application.routes.draw do
   namespace :public do
     resources :collections do
       scope module: :collections do
-        resources :card_previews
-
         namespace :columns do
           resource :not_now, only: :show
           resource :stream, only: :show
diff --git a/test/controllers/public/collections/card_previews_controller_test.rb b/test/controllers/public/collections/card_previews_controller_test.rb
deleted file mode 100644
index eedb89118..000000000
--- a/test/controllers/public/collections/card_previews_controller_test.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-require "test_helper"
-
-class Public::Collections::CardPreviewsControllerTest < ActionDispatch::IntegrationTest
-  setup do
-    sign_in_as :kevin
-
-    collections(:writebook).publish
-  end
-end