diff --git a/Cargo.toml b/Cargo.toml
index f2937ef41..54f65a82c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -216,7 +216,7 @@ halo2_proofs = { git = "https://github.com/zkonduit/halo2?branch=ac/cache-lookup
 
 [profile.release]
 rustflags = ["-C", "relocation-model=pic"]
-# lto = "fat"
-# codegen-units = 1
-# panic = "abort"
+lto = "fat"
+codegen-units = 1
+panic = "abort"