diff --git a/src/utils/blob.js b/src/utils/blob.js
deleted file mode 100644
index af9f750..0000000
--- a/src/utils/blob.js
+++ /dev/null
@@ -1,23 +0,0 @@
-export async function download(url) {
-  const response = await fetch(url, { mode: 'cors' })
-  const reader = response.body.getReader()
-  const contentLength = +response.headers.get('Content-Length')
-  console.debug('[blob] Downloading', url, contentLength)
-
-  const chunks = []
-  while (true) {
-    const { done, value } = await reader.read()
-    if (done) break
-    chunks.push(value)
-  }
-
-  const blob = new Blob(chunks)
-  console.debug('[blob] Downloaded', url, blob.size)
-  if (blob.size !== contentLength) console.debug('[blob] Download size mismatch', {
-    url,
-    expected: contentLength,
-    actual: blob.size,
-  })
-
-  return blob
-}
diff --git a/src/utils/flash.js b/src/utils/flash.js
index 4af9a0c..7033114 100644
--- a/src/utils/flash.js
+++ b/src/utils/flash.js
@@ -3,9 +3,8 @@ import { qdlDevice } from '@commaai/qdl'
 import * as Comlink from 'comlink'
 
 import config from '../config'
-import { download } from '../utils/blob'
 import { useImageWorker } from '../utils/image'
-import { createManifest } from '../utils/manifest'
+import { getManifest } from '../utils/manifest'
 import { withProgress } from '../utils/progress'
 
 /**
@@ -124,10 +123,9 @@ export function useQdl() {
         }
 
         imageWorker.current?.init()
-          .then(() => download(config.manifests['release']))
-          .then(blob => blob.text())
-          .then(text => {
-            manifest.current = createManifest(text)
+          .then(() => getManifest(config.manifests.release))
+          .then((images) => {
+            manifest.current = images
 
             // sanity check
             if (manifest.current.length === 0) {