1 files changed, 8 insertions, 8 deletions
diff --git a/crates/shirabe/src/package/root_alias_package.rs b/crates/shirabe/src/package/root_alias_package.rs
index 63fcc82..447f46a 100644
--- a/crates/shirabe/src/package/root_alias_package.rs
+++ b/crates/shirabe/src/package/root_alias_package.rs
@@ -28,28 +28,28 @@ impl RootAliasPackage {
 }
 
 impl RootPackageInterface for RootAliasPackage {
-    fn get_aliases(&self) -> Vec<IndexMap<String, String>> {
-        self.alias_of.get_aliases().clone()
+    fn get_aliases(&self) -> &[IndexMap<String, String>] {
+        self.alias_of.get_aliases()
     }
 
     fn get_minimum_stability(&self) -> &str {
         self.alias_of.get_minimum_stability()
     }
 
-    fn get_stability_flags(&self) -> IndexMap<String, i64> {
-        self.alias_of.get_stability_flags().clone()
+    fn get_stability_flags(&self) -> &IndexMap<String, i64> {
+        self.alias_of.get_stability_flags()
     }
 
-    fn get_references(&self) -> IndexMap<String, String> {
-        self.alias_of.get_references().clone()
+    fn get_references(&self) -> &IndexMap<String, String> {
+        self.alias_of.get_references()
     }
 
     fn get_prefer_stable(&self) -> bool {
         self.alias_of.get_prefer_stable()
     }
 
-    fn get_config(&self) -> IndexMap<String, PhpMixed> {
-        self.alias_of.get_config().clone()
+    fn get_config(&self) -> &IndexMap<String, PhpMixed> {
+        self.alias_of.get_config()
     }
 
     fn set_requires(&mut self, requires: Vec<Link>) {