diff --git a/app/views/errors/bad_request.json.jbuilder b/app/views/errors/bad_request.json.jbuilder
deleted file mode 100644
index 87107341..00000000
--- a/app/views/errors/bad_request.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.error_message "The service received a incomplete request."
diff --git a/app/views/errors/forbidden.json.jbuilder b/app/views/errors/forbidden.json.jbuilder
deleted file mode 100644
index e91945c2..00000000
--- a/app/views/errors/forbidden.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.error_message "You are not authorized to access this page."
diff --git a/app/views/errors/internal_server_error.json.jbuilder b/app/views/errors/internal_server_error.json.jbuilder
deleted file mode 100644
index 46a32f67..00000000
--- a/app/views/errors/internal_server_error.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.error_message "We're sorry, but something went wrong."
diff --git a/app/views/errors/not_found.json.jbuilder b/app/views/errors/not_found.json.jbuilder
deleted file mode 100644
index a323a2ab..00000000
--- a/app/views/errors/not_found.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.error_message "The page you were looking for doesn't exist. You may have mistyped the address or the page may have moved."
diff --git a/app/views/errors/unprocessable_entity.json.jbuilder b/app/views/errors/unprocessable_entity.json.jbuilder
deleted file mode 100644
index 81302a2a..00000000
--- a/app/views/errors/unprocessable_entity.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.error_message "The change you wanted was rejected. Maybe you tried to change something you didn't have access to."
diff --git a/app/views/places/index.json.jbuilder b/app/views/places/index.json.jbuilder
deleted file mode 100644
index 7eeba880..00000000
--- a/app/views/places/index.json.jbuilder
+++ /dev/null
@@ -1,4 +0,0 @@
-json.array!(@places) do |place|
-  json.extract! place, :id, :name, :address, :memo, :latitude, :longitude, :website, :deleted_at, :user_id
-  json.url place_url(place, format: :json)
-end
diff --git a/app/views/travel_photos/show.json.jbuilder b/app/views/travel_photos/show.json.jbuilder
deleted file mode 100644
index 3396adda..00000000
--- a/app/views/travel_photos/show.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.extract! @travel_photo, :id, :travel_id, :photo_service_user_info_id, :photo_service_album_id, :created_at, :updated_at
diff --git a/app/views/travels/index.json.jbuilder b/app/views/travels/index.json.jbuilder
deleted file mode 100644
index c6cb41d0..00000000
--- a/app/views/travels/index.json.jbuilder
+++ /dev/null
@@ -1,4 +0,0 @@
-json.array!(@travels) do |travel|
-  json.extract! travel, :id, :name, :memo, :start_date, :end_date, :deleted_at, :user_id
-  json.url travel_url(travel, format: :json)
-end
diff --git a/app/views/travels/show.json.jbuilder b/app/views/travels/show.json.jbuilder
deleted file mode 100644
index 8be0846f..00000000
--- a/app/views/travels/show.json.jbuilder
+++ /dev/null
@@ -1 +0,0 @@
-json.extract! @travel, :id, :name, :memo, :start_date, :end_date, :deleted_at, :user_id, :created_at, :updated_at