diff --git a/src/main/dune b/src/main/dune
index cecce543..af2ab5a4 100644
--- a/src/main/dune
+++ b/src/main/dune
@@ -6,7 +6,4 @@
  (package sidekick-bin)
  (libraries containers iter result msat sidekick.core sidekick.base-term
    sidekick.msat-solver sidekick-bin.smtlib)
- (flags :standard -w +a-4-42-44-48-50-58-32-60@8 -safe-string -color always
-   -open Sidekick_util)
- (ocamlopt_flags :standard -O3 -color always -unbox-closures
-   -unbox-closures-factor 20))
+ (flags :standard -safe-string -color always -open Sidekick_util))