diff --git a/javascript-version/pages/no-existence.vue b/javascript-version/pages/no-existence.vue
deleted file mode 100644
index ca30fe9..0000000
--- a/javascript-version/pages/no-existence.vue
+++ /dev/null
@@ -1,11 +0,0 @@
-<script lang="ts" setup>
-throw createError({
-  statusCode: 404,
-  statusMessage: 'Error Page! Just for demo!',
-  fatal: true,
-})
-</script>
-
-<template>
-  <p>This is just demo page to avoid console error and show you error.</p>
-</template>
\ No newline at end of file
diff --git a/typescript-version/pages/no-existence.vue b/typescript-version/pages/no-existence.vue
deleted file mode 100644
index fe82775..0000000
--- a/typescript-version/pages/no-existence.vue
+++ /dev/null
@@ -1,11 +0,0 @@
-<script lang="ts" setup>
-throw createError({
-  statusCode: 404,
-  statusMessage: 'Error Page! Just for demo!',
-  fatal: true,
-})
-</script>
-
-<template>
-  <p>This is just demo page to avoid console error and show you error.</p>
-</template>