diff --git a/pbs-datastore/examples/ls-snapshots.rs b/pbs-datastore/examples/ls-snapshots.rs
index 977f2cf8..2eeea489 100644
--- a/pbs-datastore/examples/ls-snapshots.rs
+++ b/pbs-datastore/examples/ls-snapshots.rs
@@ -18,7 +18,7 @@ fn run() -> Result<(), Error> {
         None => None,
     };
 
-    let store = unsafe { DataStore::open_path("", &base, None)? };
+    let store = unsafe { DataStore::open_path("", base, None)? };
 
     for ns in store.recursive_iter_backup_ns_ok(Default::default(), max_depth)? {
         println!("found namespace store:/{}", ns);
diff --git a/pbs-datastore/src/catalog.rs b/pbs-datastore/src/catalog.rs
index 2b75a804..11c14b64 100644
--- a/pbs-datastore/src/catalog.rs
+++ b/pbs-datastore/src/catalog.rs
@@ -644,7 +644,7 @@ impl<R: Read + Seek> CatalogReader<R> {
                 }
                 CatalogEntryType::File => {
                     let mut mtime_string = mtime.to_string();
-                    if let Ok(s) = proxmox_time::strftime_local("%FT%TZ", mtime as i64) {
+                    if let Ok(s) = proxmox_time::strftime_local("%FT%TZ", mtime) {
                         mtime_string = s;
                     }
 
diff --git a/pbs-datastore/src/chunk_stat.rs b/pbs-datastore/src/chunk_stat.rs
index eb7d55d5..3d7e75e1 100644
--- a/pbs-datastore/src/chunk_stat.rs
+++ b/pbs-datastore/src/chunk_stat.rs
@@ -27,8 +27,8 @@ impl ChunkStat {
 impl std::fmt::Debug for ChunkStat {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         let avg = ((self.size as f64) / (self.chunk_count as f64)) as usize;
-        let compression = (self.compressed_size * 100) / (self.size as u64);
-        let rate = (self.disk_size * 100) / (self.size as u64);
+        let compression = (self.compressed_size * 100) / self.size;
+        let rate = (self.disk_size * 100) / self.size;
 
         let elapsed = self.start_time.elapsed().unwrap();
         let elapsed = (elapsed.as_secs() as f64) + (elapsed.subsec_millis() as f64) / 1000.0;
diff --git a/pbs-datastore/src/chunk_store.rs b/pbs-datastore/src/chunk_store.rs
index 9f9fb26f..fb282749 100644
--- a/pbs-datastore/src/chunk_store.rs
+++ b/pbs-datastore/src/chunk_store.rs
@@ -183,7 +183,7 @@ impl ChunkStore {
 
         let lockfile_path = Self::lockfile_path(&base);
 
-        let locker = ProcessLocker::new(&lockfile_path)?;
+        let locker = ProcessLocker::new(lockfile_path)?;
 
         Ok(ChunkStore {
             name: name.to_owned(),
diff --git a/pbs-datastore/src/datastore.rs b/pbs-datastore/src/datastore.rs
index 7718133c..7372e002 100644
--- a/pbs-datastore/src/datastore.rs
+++ b/pbs-datastore/src/datastore.rs
@@ -855,7 +855,7 @@ impl DataStore {
 
         use walkdir::WalkDir;
 
-        let walker = WalkDir::new(&base).into_iter();
+        let walker = WalkDir::new(base).into_iter();
 
         // make sure we skip .chunks (and other hidden files to keep it simple)
         fn is_hidden(entry: &walkdir::DirEntry) -> bool {
diff --git a/pbs-datastore/src/dynamic_index.rs b/pbs-datastore/src/dynamic_index.rs
index 3743b89d..71a5082e 100644
--- a/pbs-datastore/src/dynamic_index.rs
+++ b/pbs-datastore/src/dynamic_index.rs
@@ -247,7 +247,7 @@ impl IndexFile for DynamicIndexReader {
     }
 
     fn index_size(&self) -> usize {
-        self.size as usize
+        self.size
     }
 
     fn chunk_from_offset(&self, offset: u64) -> Option<(usize, u64)> {
diff --git a/pbs-datastore/src/paperkey.rs b/pbs-datastore/src/paperkey.rs
index f95cec0b..14b62264 100644
--- a/pbs-datastore/src/paperkey.rs
+++ b/pbs-datastore/src/paperkey.rs
@@ -130,7 +130,7 @@ fn paperkey_html<W: Write>(
             writeln!(output, "</p>")?;
 
             let qr_code = generate_qr_code("svg", block)?;
-            let qr_code = base64::encode_config(&qr_code, base64::STANDARD_NO_PAD);
+            let qr_code = base64::encode_config(qr_code, base64::STANDARD_NO_PAD);
 
             writeln!(output, "<center>")?;
             writeln!(output, "<img")?;
@@ -164,7 +164,7 @@ fn paperkey_html<W: Write>(
     writeln!(output, "</p>")?;
 
     let qr_code = generate_qr_code("svg", lines)?;
-    let qr_code = base64::encode_config(&qr_code, base64::STANDARD_NO_PAD);
+    let qr_code = base64::encode_config(qr_code, base64::STANDARD_NO_PAD);
 
     writeln!(output, "<center>")?;
     writeln!(output, "<img")?;
diff --git a/pbs-datastore/src/task_tracking.rs b/pbs-datastore/src/task_tracking.rs
index 0e2ecae3..18fbd4ba 100644
--- a/pbs-datastore/src/task_tracking.rs
+++ b/pbs-datastore/src/task_tracking.rs
@@ -47,7 +47,7 @@ fn open_lock_file(name: &str) -> Result<(std::fs::File, CreateOptions), Error> {
     let timeout = std::time::Duration::new(10, 0);
 
     Ok((
-        open_file_locked(&lock_path, timeout, true, options.clone())?,
+        open_file_locked(lock_path, timeout, true, options.clone())?,
         options,
     ))
 }
@@ -64,7 +64,7 @@ fn get_active_operations_do(
         None
     };
 
-    let data = match file_read_optional_string(&path)? {
+    let data = match file_read_optional_string(path)? {
         Some(data) => serde_json::from_str::<Vec<TaskOperations>>(&data)?
             .iter()
             .filter_map(