diff --git a/app/controllers/api/products/unassigned_controller.rb b/app/controllers/api/products/unassigned_controller.rb
index bc7de9564e9..d518b91a47c 100644
--- a/app/controllers/api/products/unassigned_controller.rb
+++ b/app/controllers/api/products/unassigned_controller.rb
@@ -9,7 +9,6 @@ def index
                 .not_wip
                 .list
                 .order_for_not_wip_list
-                .page(params[:page])
     @latest_product_submitted_just_5days = @products.find { |product| product.elapsed_days == 5 }
     @latest_product_submitted_just_6days = @products.find { |product| product.elapsed_days == 6 }
     @latest_product_submitted_over_7days = @products.find { |product| product.elapsed_days >= 7 }
diff --git a/app/views/api/products/unassigned/index.json.jbuilder b/app/views/api/products/unassigned/index.json.jbuilder
index b3a0d6e62f3..ad2af8af151 100644
--- a/app/views/api/products/unassigned/index.json.jbuilder
+++ b/app/views/api/products/unassigned/index.json.jbuilder
@@ -3,7 +3,7 @@ json.products do
     json.partial! "api/products/product", product: product
   end
 end
-json.total_pages @products.page(1).total_pages
+json.total_pages 1
 json.latest_product_submitted_just_5days @latest_product_submitted_just_5days
 json.latest_product_submitted_just_6days @latest_product_submitted_just_6days
 json.latest_product_submitted_over_7days @latest_product_submitted_over_7days
diff --git a/test/system/product/unassigned_test.rb b/test/system/product/unassigned_test.rb
index b67d08103c2..c7a561e5063 100644
--- a/test/system/product/unassigned_test.rb
+++ b/test/system/product/unassigned_test.rb
@@ -3,8 +3,6 @@
 require 'application_system_test_case'
 
 class ProductsTest < ApplicationSystemTestCase
-  PAGINATES_PER = 50
-
   test 'non-staff user can not see listing unassigned products' do
     visit_with_auth '/products/unassigned', 'hatsuno'
     assert_text '管理者・アドバイザー・メンターとしてログインしてください'
@@ -39,8 +37,6 @@ class ProductsTest < ApplicationSystemTestCase
   test 'products order on unassigned tab' do
     # id順で並べたときの最初と最後の提出物を、提出日順で見たときに最新と最古になるように入れ替える
     Product.update_all(created_at: 1.day.ago, published_at: 1.day.ago) # rubocop:disable Rails/SkipsModelValidations
-    # 最古の提出物を画面上で判定するため、提出物を1ページ内に収める
-    Product.unassigned.unchecked.not_wip.limit(Product.count - PAGINATES_PER).delete_all
     newest_product = Product.unassigned.unchecked.not_wip.reorder(:id).first
     newest_product.update(published_at: Time.current)
     oldest_product = Product.unassigned.unchecked.not_wip.reorder(:id).last