1 files changed, 2 insertions, 4 deletions
diff --git a/vendor/signature/tests/derive.rs b/vendor/signature/tests/derive.rs
index 70e2dc0fc..b54eec823 100644
--- a/vendor/signature/tests/derive.rs
+++ b/vendor/signature/tests/derive.rs
@@ -1,6 +1,6 @@
 //! Tests for code generated by `signature_derive`
 
-#![cfg(feature = "derive")]
+#![cfg(all(feature = "derive", feature = "digest"))]
 
 use digest::{generic_array::GenericArray, Digest, OutputSizeUser};
 use hex_literal::hex;
@@ -35,9 +35,7 @@ impl TryFrom<&[u8]> for DummySignature {
     type Error = Error;
 
     fn try_from(bytes: &[u8]) -> Result<Self, Error> {
-        Ok(DummySignature(GenericArray::clone_from_slice(
-            bytes.as_ref(),
-        )))
+        Ok(DummySignature(GenericArray::clone_from_slice(bytes)))
     }
 }