diff --git a/src/lib.rs b/src/lib.rs
index 93d055a..41cbab7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -393,7 +393,6 @@ impl<'de, const N: usize> Deserialize<'de> for Bytes<N> {
 #[cfg(feature = "cbor")]
 mod tests {
     use super::*;
-    use heapless::consts;
 
     #[test]
     fn test_client_data_hash() {
@@ -402,8 +401,7 @@ mod tests {
             0x44, 0x45, 0x46,
         ];
 
-        let client_data_hash: Bytes<consts::U32> =
-            serde_cbor::de::from_mut_slice(&mut minimal).unwrap();
+        let client_data_hash: Bytes<17> = serde_cbor::de::from_mut_slice(&mut minimal).unwrap();
 
         assert_eq!(client_data_hash, b"1234567890ABCDEF");
     }