diff --git a/src/extra_fields/zipinfo_utf8.rs b/src/extra_fields/zipinfo_utf8.rs
index 43f42213..ca89d0d1 100644
--- a/src/extra_fields/zipinfo_utf8.rs
+++ b/src/extra_fields/zipinfo_utf8.rs
@@ -15,7 +15,7 @@ impl UnicodeExtraField {
     /// Verifies the checksum and returns the content.
     pub fn unwrap_valid(self) -> ZipResult<Box<[u8]>> {
         let mut crc32 = crc32fast::Hasher::new();
-        crc32.update(&*self.content);
+        crc32.update(&self.content);
         let actual_crc32 = crc32.finalize();
         if self.crc32 != actual_crc32 {
             return Err(ZipError::InvalidArchive(
diff --git a/src/write.rs b/src/write.rs
index ca09250f..e8c6b146 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -1925,7 +1925,7 @@ const EXTRA_FIELD_MAPPING: [u16; 48] = [
 
 #[cfg(test)]
 #[allow(unknown_lints)] // needless_update is new in clippy pre 1.29.0
-#[allow(needless_update)] // So we can use the same FileOptions decls with and without zopfli_buffer_size
+#[allow(clippy::needless_update)] // So we can use the same FileOptions decls with and without zopfli_buffer_size
 mod test {
     use super::{FileOptions, ZipWriter};
     use crate::compression::CompressionMethod;