diff --git a/src/lib.rs b/src/lib.rs
index 7d7ff24..d759da9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@ use okapi::schemars::schema::{InstanceType, Schema, SingleOrVec};
 
 /// Parse OpenAPI 3 schema
 pub fn parse_schema(file_content: &str) -> OpenApi {
-    let schema = serde_yaml::from_str::<OpenApi>(&file_content).expect("Failed to parse document");
+    let schema = serde_yaml::from_str::<OpenApi>(file_content).expect("Failed to parse document");
 
     if schema.components.is_none() {
         log::error!("components is missing!");
@@ -15,7 +15,7 @@ pub fn parse_schema(file_content: &str) -> OpenApi {
 
 fn expect_single<E>(e: &SingleOrVec<E>) -> &E {
     match e {
-        SingleOrVec::Single(e) => &e,
+        SingleOrVec::Single(e) => e,
         SingleOrVec::Vec(v) => &v[0],
     }
 }
@@ -76,7 +76,7 @@ impl TreeNode {
         };
 
         TreeNode {
-            name: other.name.to_string(),
+            name: self.name.to_string(),
             r#type,
         }
     }
@@ -87,7 +87,7 @@ pub fn build_tree(struct_name: &str, components: &Components) -> TreeNode {
     let schema = components
         .schemas
         .get(struct_name)
-        .expect(&format!("Missing {struct_name}"));
+        .unwrap_or_else(|| panic!("Missing {struct_name}"));
 
     build_tree_schema(schema, struct_name, components)
 }