diff --git a/externals.json b/externals.json
index ad9e62c..918680d 100644
--- a/externals.json
+++ b/externals.json
@@ -57,11 +57,6 @@
             "revision": "master"
         },
         {
-            "path": "linux_driver_stack/flatbuffers",
-            "fetchurl": "https://github.com/google/flatbuffers",
-            "revision": "master"
-        },
-        {
             "path": "vela",
             "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-vela",
             "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-vela",