diff --git a/src/lib/storage/up-storage.js b/src/lib/storage/up-storage.js
index cec8b75ff..674ff9268 100644
--- a/src/lib/storage/up-storage.js
+++ b/src/lib/storage/up-storage.js
@@ -231,7 +231,6 @@ class ProxyStorage {
     const headers = {};
     if (_.isNil(options.etag) === false) {
       headers['If-None-Match'] = options.etag;
-      headers['Accept'] = 'application/octet-stream';
     }
 
     this.request({