--- a/src/lib/ounit2/dune
+++ b/src/lib/ounit2/dune
@@ -2,7 +2,7 @@
   (name oUnit)
   (public_name ounit2)
   (wrapped false)
-  (libraries unix seq ounit2.advanced))
+  (libraries unix ounit2.advanced))
 
 (documentation
   (package ounit2)
--- 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 seq stdlib-shims))
+  (libraries unix bytes stdlib-shims))