diff --git a/base2k/src/module.rs b/base2k/src/module.rs
index 6a6e528..6d1ce47 100644
--- a/base2k/src/module.rs
+++ b/base2k/src/module.rs
@@ -61,26 +61,3 @@ impl Free for Module {
         drop(self);
     }
 }
-
-pub trait Bytes {
-    /// Returns the minimum number of bytes necessary to allocate
-    /// a new [VecZnxBig] through [VecZnxBig::from_bytes].
-    fn bytes_of_vec_znx_big(&self, limbs: usize) -> usize;
-
-    /// Returns the minimum number of bytes necessary to allocate
-    /// a new [VecZnxDft] through [VecZnxDft::from_bytes].
-    fn vec_znx_idft_tmp_bytes(&self) -> usize;
-
-    /// Returns a new [VecZnxDft] with the provided bytes array as backing array.
-    ///
-    /// # Arguments
-    ///
-    /// * `limbs`: the number of limbs of the [VecZnxDft].
-    /// * `bytes`: a byte array of size at least [Module::bytes_of_vec_znx_dft].
-    ///
-    /// # Panics
-    /// If `bytes.len()` < [Module::bytes_of_vec_znx_dft].
-    fn bytes_of_vec_znx_dft(&self, limbs: usize) -> usize;
-
-    fn vec_znx_big_normalize_tmp_bytes(&self) -> usize;
-}