diff --git a/.gitignore b/.gitignore
index bd62026b..6f561791 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,6 @@ debug/
 
 # Backup files generated by rust fmt
 **/*.rs.bk
+
+# Heaptrack dump files
+heaptrack.*
\ No newline at end of file
diff --git a/server/src/client_api.rs b/server/src/client_api.rs
index 86118df4..eb23b931 100644
--- a/server/src/client_api.rs
+++ b/server/src/client_api.rs
@@ -91,13 +91,12 @@ async fn resolve_features(
             query: Some(query),
             features: f
                 .features
-                .clone()
                 .into_iter()
                 .filter(|f| {
                     filters
                         .name_prefix
-                        .clone()
-                        .map(|prefix| f.name.starts_with(&prefix))
+                        .as_ref()
+                        .map(|prefix| f.name.starts_with(prefix))
                         .unwrap_or(true)
                 })
                 .collect(),