diff --git a/Cargo.toml b/Cargo.toml
index b137e527cd..97044c6b8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -89,9 +89,5 @@ lto = true
 [profile.dev.package.argon2]
 opt-level = 3
 
-# [profile.dev.package.wasm-opt-sys]
-# opt-level = 0
-# debug = false
-
 [profile.release.package.ic-frontend-canister]
 opt-level = 'z'