--- a/ounit2.opam
+++ b/ounit2.opam
@@ -11,7 +11,6 @@ depends: [
   "dune" {>= "1.11.0"}
   "base-bytes"
   "base-unix"
-  "stdlib-shims"
 ]
 build: [
   ["dune" "build" "-p" name "-j" jobs]
--- a/src/lib/ounit2/advanced/dune
+++ b/src/lib/ounit2/advanced/dune
@@ -7,4 +7,4 @@
   (name oUnitAdvanced)
   (public_name ounit2.advanced)
   (wrapped false)
-  (libraries unix bytes stdlib-shims))
+  (libraries unix bytes))