diff --git a/guests/reth-ethereum/Cargo.toml b/guests/reth-ethereum/Cargo.toml
index beeadfb1..2102f264 100644
--- a/guests/reth-ethereum/Cargo.toml
+++ b/guests/reth-ethereum/Cargo.toml
@@ -9,7 +9,6 @@ edition = "2021"
 codegen-units = 1
 debug = 1
 lto = "fat"
-opt-level = 3
 
 [profile.release.build-override]
 codegen-units = 1
diff --git a/guests/reth-optimism/Cargo.toml b/guests/reth-optimism/Cargo.toml
index a77938a9..29ba809d 100644
--- a/guests/reth-optimism/Cargo.toml
+++ b/guests/reth-optimism/Cargo.toml
@@ -9,7 +9,6 @@ edition = "2021"
 codegen-units = 1
 debug = 1
 lto = "fat"
-opt-level = 3
 
 [profile.release.build-override]
 codegen-units = 1