diff --git a/src/core/dune b/src/core/dune
index 5d575f89..015e9ce6 100644
--- a/src/core/dune
+++ b/src/core/dune
@@ -10,7 +10,6 @@
    (hmap -> hmap_ls_.real.ml)
    (-> hmap_ls_.dummy.ml))
   moonpool.dpool
-  (re_export exn_bt)
   (re_export picos))
  (flags :standard -open Moonpool_private)
  (private_modules util_pool_)