diff --git a/crates/lox-library/Cargo.toml b/crates/lox-library/Cargo.toml
index 217377a..b3aace3 100644
--- a/crates/lox-library/Cargo.toml
+++ b/crates/lox-library/Cargo.toml
@@ -28,8 +28,4 @@ thiserror = "1.0.49"
 zkp = { git = "https://gitlab.torproject.org/onyinyang/lox-zkp" }
 
 [features]
-#default = ["u64_backend"]
-#u32_backend = ["curve25519-dalek/u32_backend"]
-#u64_backend = ["curve25519-dalek/u64_backend"]
-#simd_backend = ["curve25519-dalek/simd_backend"]
 fast = []