diff --git a/markup.opam b/markup.opam
index b78af62..5822f48 100644
--- a/markup.opam
+++ b/markup.opam
@@ -2,7 +2,7 @@ opam-version: "2.0"
 
 synopsis: "Error-recovering functional HTML5 and XML parsers and writers"
 
-version: "dev"
+version: "0.8.1"
 license: "BSD"
 homepage: "https://github.com/aantron/markup.ml"
 doc: "http://aantron.github.io/markup.ml"
diff --git a/src/dune b/src/dune
index 4e9e76e..5a77ad8 100644
--- a/src/dune
+++ b/src/dune
@@ -2,6 +2,5 @@
  (name markup)
  (public_name markup)
  (synopsis "Error-recovering functional HTML5 and XML parsers")
- (preprocess (pps bisect_ppx -conditional))
  (libraries uutf)
  (flags (:standard -w +A-4-9-44-48 -warn-error -3-4-9-44-48 -safe-string)))