diff --git a/src/backend/avx2/edwards.rs b/src/backend/avx2/edwards.rs
index b5f3245..fa83c72 100644
--- a/src/backend/avx2/edwards.rs
+++ b/src/backend/avx2/edwards.rs
@@ -13,8 +13,9 @@
 // just going to own it
 #![allow(bad_style)]
 
-use std::convert::From;
-use std::ops::{Index, Add, Sub, Mul, Neg};
+use core::convert::From;
+use core::ops::{Index, Add, Sub, Mul, Neg};
+use core::borrow::Borrow;
 
 use stdsimd::simd::{u32x8, i32x8};
 
diff --git a/src/backend/avx2/field.rs b/src/backend/avx2/field.rs
index 3f69aad..8d3af8b 100644
--- a/src/backend/avx2/field.rs
+++ b/src/backend/avx2/field.rs
@@ -25,7 +25,7 @@ pub const D_LANES64: u8 = 0b11_00_00_00;
 
 pub const ALL_LANES: u8 = A_LANES | B_LANES | C_LANES | D_LANES;
 
-use std::ops::Mul;
+use core::ops::Mul;
 
 use stdsimd::simd::{u32x8, i32x8, u64x4};