1 files changed, 1 insertions, 3 deletions
diff --git a/dune b/dune
index 6fb0612e4e..832c864fc3 100644
--- a/dune
+++ b/dune
@@ -4,9 +4,7 @@
  (release (flags :standard -rectypes)
           (ocamlopt_flags -O3 -unbox-closures))
  (ireport (flags :standard -rectypes -w -9-27-40+60)
-          (ocamlopt_flags :standard -O3 -unbox-closures -inlining-report))
- (ocaml409
-  (flags :standard -strict-sequence -strict-formats -keep-locs -rectypes -w -9-27+40+60 -warn-error -5 -alert --deprecated)))
+          (ocamlopt_flags :standard -O3 -unbox-closures -inlining-report)))
 
 ; Information about flags for release mode:
 ;