diff --git a/src/backend/serial/u64/scalar.rs b/src/backend/serial/u64/scalar.rs
index 97069ad..cee69da 100644
--- a/src/backend/serial/u64/scalar.rs
+++ b/src/backend/serial/u64/scalar.rs
@@ -443,7 +443,6 @@ mod test {
     fn from_bytes_wide() {
         let bignum = [255u8; 64]; // 2^512 - 1
         let reduced = Scalar52::from_bytes_wide(&bignum);
-        println!("{:?}", reduced);
         for i in 0..5 {
             assert!(reduced[i] == C[i]);
         }
diff --git a/src/lib.rs b/src/lib.rs
index 3d68c58..179e70a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,7 +10,6 @@
 
 #![no_std]
 #![cfg_attr(feature = "nightly", feature(test))]
-#![cfg_attr(all(feature = "alloc", not(feature = "std")), feature(alloc))]
 #![cfg_attr(feature = "nightly", feature(external_doc))]
 #![cfg_attr(feature = "nightly", feature(doc_cfg))]
 #![cfg_attr(feature = "simd_backend", feature(stdsimd))]