diff --git a/src/runtime/server/api/mutation/create.ts b/src/runtime/server/api/mutation/create.ts
index d0743a2..f2362ac 100644
--- a/src/runtime/server/api/mutation/create.ts
+++ b/src/runtime/server/api/mutation/create.ts
@@ -1,6 +1,6 @@
 import { readMultipartFormData, createError } from 'h3'
+import { normalizeKey, getKey, getMeta, verifySize, verifyType } from '../../utils'
 import { defineEventHandler, useRuntimeConfig } from '#imports'
-import { normalizeKey, getKey, getMeta } from '#s3'
 
 export default defineEventHandler(async (event) => {
   const config = useRuntimeConfig()
@@ -28,23 +28,3 @@ export default defineEventHandler(async (event) => {
 
   throw createError('invalid-file')
 })
-
-function verifyType (type: string | undefined, accept: string) {
-  const regex = new RegExp(accept)
-
-  if (!type || !regex.test(type)) {
-    throw createError({
-      message: 'invalid-type',
-      status: 400
-    })
-  }
-}
-
-function verifySize (size: number, maxSizeMb: number) {
-  if (maxSizeMb && size > maxSizeMb * 1000000) {
-    throw createError({
-      message: 'invalid-size',
-      status: 400
-    })
-  }
-}
diff --git a/src/runtime/server/api/mutation/delete.ts b/src/runtime/server/api/mutation/delete.ts
index 45548dc..dc2192d 100644
--- a/src/runtime/server/api/mutation/delete.ts
+++ b/src/runtime/server/api/mutation/delete.ts
@@ -1,5 +1,5 @@
+import { getKey, normalizeKey } from '../../utils'
 import { defineEventHandler } from '#imports'
-import { getKey, normalizeKey } from '#s3'
 
 export default defineEventHandler(async (event) => {
   const key = getKey(event)
diff --git a/src/runtime/server/utils/index.ts b/src/runtime/server/utils/index.ts
index 3005d99..cc005ab 100644
--- a/src/runtime/server/utils/index.ts
+++ b/src/runtime/server/utils/index.ts
@@ -47,4 +47,24 @@ async function getMeta (event: H3Event) {
   }
 }
 
-export { normalizeKey, denormalizeKey, getKey, getMeta }
+function verifyType (type: string | undefined, accept: string) {
+  const regex = new RegExp(accept)
+
+  if (!type || !regex.test(type)) {
+    throw createError({
+      message: 'invalid-type',
+      status: 400
+    })
+  }
+}
+
+function verifySize (size: number, maxSizeMb: number) {
+  if (maxSizeMb && size > maxSizeMb * 1000000) {
+    throw createError({
+      message: 'invalid-size',
+      status: 400
+    })
+  }
+}
+
+export { normalizeKey, denormalizeKey, getKey, getMeta, verifySize, verifyType }