diff --git a/src/bin/proxmox-backup-proxy.rs b/src/bin/proxmox-backup-proxy.rs
index bb2be243..92f6f67c 100644
--- a/src/bin/proxmox-backup-proxy.rs
+++ b/src/bin/proxmox-backup-proxy.rs
@@ -749,7 +749,7 @@ async fn generate_host_stats(save: bool) {
         match datastore::config() {
             Ok((config, _)) => {
                 let datastore_list: Vec<datastore::DataStoreConfig> =
-                    config.convert_to_typed_array("datastore").unwrap_or(Vec::new());
+                    config.convert_to_typed_array("datastore").unwrap_or_default();
 
                 for config in datastore_list {
 
diff --git a/src/config/network.rs b/src/config/network.rs
index 39f41c7e..fbfef052 100644
--- a/src/config/network.rs
+++ b/src/config/network.rs
@@ -515,7 +515,7 @@ pub fn config() -> Result<(NetworkConfig, [u8;32]), Error> {
         Some(content) => content,
         None => {
             let content = proxmox::tools::fs::file_get_optional_contents(NETWORK_INTERFACES_FILENAME)?;
-            content.unwrap_or(Vec::new())
+            content.unwrap_or_default()
         }
     };
 
diff --git a/src/config/network/parser.rs b/src/config/network/parser.rs
index 246ce05d..2546f027 100644
--- a/src/config/network/parser.rs
+++ b/src/config/network/parser.rs
@@ -215,12 +215,12 @@ impl <R: BufRead> NetworkParser<R> {
                 Token::Comment => {
                     let comment = self.eat(Token::Comment)?;
                     if !address_family_v4 && address_family_v6 {
-                        let mut comments = interface.comments6.take().unwrap_or(String::new());
+                        let mut comments = interface.comments6.take().unwrap_or_default();
                         if !comments.is_empty() { comments.push('\n'); }
                         comments.push_str(&comment);
                         interface.comments6 = Some(comments);
                     } else {
-                        let mut comments = interface.comments.take().unwrap_or(String::new());
+                        let mut comments = interface.comments.take().unwrap_or_default();
                         if !comments.is_empty() { comments.push('\n'); }
                         comments.push_str(&comment);
                         interface.comments = Some(comments);
diff --git a/src/server/email_notifications.rs b/src/server/email_notifications.rs
index 9a31f628..f35d1b94 100644
--- a/src/server/email_notifications.rs
+++ b/src/server/email_notifications.rs
@@ -434,7 +434,7 @@ pub fn lookup_datastore_notify_settings(
         None => lookup_user_email(Userid::root_userid()),
     };
 
-    let notify_str = config.notify.unwrap_or(String::new());
+    let notify_str = config.notify.unwrap_or_default();
 
     if let Ok(value) = parse_property_string(&notify_str, &DatastoreNotify::API_SCHEMA) {
         if let Ok(notify) = serde_json::from_value(value) {