diff --git a/signature/CHANGELOG.md b/signature/CHANGELOG.md
index 619aa4e92..4eeb0c2cf 100644
--- a/signature/CHANGELOG.md
+++ b/signature/CHANGELOG.md
@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `std` feature - replaced with `core::error::Error`
 - `derive` feature
 - `SignerMut` blanket implementation for `Signer`
+- `PrehashSignature` trait
 
 [#1448]: https://github.com/RustCrypto/traits/pull/1448
 [#1759]: https://github.com/RustCrypto/traits/pull/1759
diff --git a/signature/src/lib.rs b/signature/src/lib.rs
index b8678e329..2baa59f1b 100644
--- a/signature/src/lib.rs
+++ b/signature/src/lib.rs
@@ -141,12 +141,9 @@ mod signer;
 mod verifier;
 
 #[cfg(feature = "digest")]
-mod prehash_signature;
+pub use digest;
 
 pub use crate::{encoding::*, error::*, keypair::*, signer::*, verifier::*};
 
-#[cfg(feature = "digest")]
-pub use {crate::prehash_signature::*, digest};
-
 #[cfg(feature = "rand_core")]
 pub use rand_core;
diff --git a/signature/src/prehash_signature.rs b/signature/src/prehash_signature.rs
deleted file mode 100644
index 773dc6ff9..000000000
--- a/signature/src/prehash_signature.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-//! `PrehashSignature` trait.
-
-/// For intra-doc link resolution.
-#[allow(unused_imports)]
-use crate::{
-    signer::{DigestSigner, Signer},
-    verifier::{DigestVerifier, Verifier},
-};
-
-/// Marker trait for `Signature` types computable as `𝐒(𝐇(𝒎))`
-/// i.e. ones which prehash a message to be signed as `𝐇(𝒎)`
-///
-/// Where:
-///
-/// - `𝐒`: signature algorithm
-/// - `𝐇`: hash (a.k.a. digest) function
-/// - `𝒎`: message
-///
-/// This approach is relatively common in signature schemes based on the
-/// [Fiat-Shamir heuristic].
-///
-/// [Fiat-Shamir heuristic]: https://en.wikipedia.org/wiki/Fiat%E2%80%93Shamir_heuristic
-pub trait PrehashSignature {
-    /// Preferred `Digest` algorithm to use when computing this signature type.
-    type Digest: digest::Digest;
-}