diff --git a/bindings/wasm/src/sd_jwt_vc/token.rs b/bindings/wasm/src/sd_jwt_vc/token.rs
index 9890aa59d2..c5219773f6 100644
--- a/bindings/wasm/src/sd_jwt_vc/token.rs
+++ b/bindings/wasm/src/sd_jwt_vc/token.rs
@@ -169,4 +169,4 @@ impl WasmSdJwtVc {
 pub fn vct_to_url(resource: &str) -> Option<String> {
   let url = resource.parse::<Url>().ok()?;
   vct_to_url_impl(&url).map(|url| url.to_string())
-}
\ No newline at end of file
+}
diff --git a/identity_document/benches/deserialize_document.rs b/identity_document/benches/deserialize_document.rs
index 1bd26ce870..0b5203b83c 100644
--- a/identity_document/benches/deserialize_document.rs
+++ b/identity_document/benches/deserialize_document.rs
@@ -220,9 +220,9 @@ fn deserialize_json_document(c: &mut Criterion) {
     (JSON_DOC_DID_KEY, "did:key document"),
     (JSON_DOCUMENT_LARGE, "large document"),
   ] {
-    group.throughput(Throughput::Bytes(json.as_bytes().len() as u64));
+    group.throughput(Throughput::Bytes(json.len() as u64));
     group.bench_with_input(
-      BenchmarkId::from_parameter(format!("{name}, document size: {} bytes", json.as_bytes().len())),
+      BenchmarkId::from_parameter(format!("{name}, document size: {} bytes", json.len())),
       json,
       |b, json| {
         b.iter(|| {
diff --git a/identity_iota_core/src/state_metadata/document.rs b/identity_iota_core/src/state_metadata/document.rs
index e14e381f5b..197f9befb8 100644
--- a/identity_iota_core/src/state_metadata/document.rs
+++ b/identity_iota_core/src/state_metadata/document.rs
@@ -424,10 +424,7 @@ mod tests {
     // Encoding.
     assert_eq!(packed[4], StateMetadataEncoding::Json as u8);
     // JSON length.
-    assert_eq!(
-      &packed[5..=6],
-      (expected_payload.as_bytes().len() as u16).to_le_bytes().as_ref()
-    );
+    assert_eq!(&packed[5..=6], (expected_payload.len() as u16).to_le_bytes().as_ref());
     // JSON payload.
     assert_eq!(&packed[7..], expected_payload.as_bytes());
   }