diff --git a/dune-project b/dune-project
index f258af9d..34c0fb0b 100644
--- a/dune-project
+++ b/dune-project
@@ -22,5 +22,4 @@ extension.")
    dune
    (ppxlib (>= 0.26.0))
    gen
-   uchar
    (ppx_expect :with-test)))
diff --git a/sedlex.opam b/sedlex.opam
index e2422444..2dc26423 100644
--- a/sedlex.opam
+++ b/sedlex.opam
@@ -20,7 +20,6 @@ depends: [
   "dune" {>= "2.8"}
   "ppxlib" {>= "0.26.0"}
   "gen"
-  "uchar"
   "ppx_expect" {with-test}
   "odoc" {with-doc}
 ]