diff --git a/src/compiler/native_fn/index.rs b/src/compiler/native_fn/index.rs
index 4b3327b..1673e59 100644
--- a/src/compiler/native_fn/index.rs
+++ b/src/compiler/native_fn/index.rs
@@ -6,13 +6,15 @@ pub(crate) struct NativeFunctionIndex {
     functions: Vec<NativeFunction>,
 }
 
-impl NativeFunctionIndex {
-
-    pub(crate) fn new() -> NativeFunctionIndex {
+impl Default for NativeFunctionIndex {
+    fn default() -> Self {
         NativeFunctionIndex {
             functions: Self::create_native_functions(),
         }
     }
+}
+
+impl NativeFunctionIndex {
 
     pub(crate) fn find(&self, name: String) -> Option<&NativeFunction> {
         return self.functions.iter().find(|f| f.signature().name() == name);
diff --git a/src/compiler/rst/compiler.rs b/src/compiler/rst/compiler.rs
index 268e8de..2c4acc0 100644
--- a/src/compiler/rst/compiler.rs
+++ b/src/compiler/rst/compiler.rs
@@ -25,7 +25,7 @@ impl RstCompiler<'_> {
 
     pub(crate) fn compile(&self, cst: &CstFile) -> Result<HexoFile, Error> {
         let scope_id = HexoId::next();
-        let mut scope = self.build_scope(scope_id, cst.path(), cst.main())?;
+        let mut scope = self.build_scope(scope_id, cst.main())?;
 
         let bb = self.build_bytes(scope_id, &mut scope, cst.main().emits())?;
 
@@ -153,10 +153,9 @@ impl RstCompiler<'_> {
     fn build_scope(
         &self,
         scope_id: HexoId,
-        file_path: &Path,
         cst: &CstFunctionStatement,
     ) -> Result<CompilationScope, Error> {
-        let mut root_scope = CompilationScope::new(file_path);
+        let mut root_scope = CompilationScope::default();
 
         self.build_scope_into(scope_id, &cst, &mut root_scope)?;
 
diff --git a/src/compiler/rst/scope.rs b/src/compiler/rst/scope.rs
index 86703f7..099f3f4 100644
--- a/src/compiler/rst/scope.rs
+++ b/src/compiler/rst/scope.rs
@@ -19,32 +19,26 @@ pub(crate) struct FunctionBinding {
     pub(crate) emits: Vec<CstEmitStatement>,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
 pub(crate) struct LocalCompilationScope {
     constant_table: HashMap<String, ConstantBinding>,
     function_table: HashMap<String, FunctionBinding>,
     parents: Vec<HexoId>,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
 pub(crate) struct CompilationScope {
     local_scopes: HashMap<HexoId, LocalCompilationScope>,
     native_function_index: NativeFunctionIndex,
 }
 
 impl CompilationScope {
-    pub(crate) fn new(path: &Path) -> CompilationScope {
-        CompilationScope {
-            local_scopes: HashMap::new(),
-            native_function_index: NativeFunctionIndex::new(),
-        }
-    }
 
     // region constant
     pub(crate) fn bind_local_constant(&mut self, scope_id: HexoId, constant: ConstantBinding) {
         self.local_scopes
             .entry(scope_id)
-            .or_insert_with(LocalCompilationScope::new);
+            .or_insert_with(LocalCompilationScope::default);
 
         let local_scope: &mut LocalCompilationScope = self
             .local_scopes
@@ -82,7 +76,7 @@ impl CompilationScope {
     pub(crate) fn bind_local_function(&mut self, scope_id: HexoId, function: FunctionBinding) {
         self.local_scopes
             .entry(scope_id)
-            .or_insert_with(LocalCompilationScope::new);
+            .or_insert_with(LocalCompilationScope::default);
 
         let local_scope: &mut LocalCompilationScope = self
             .local_scopes
@@ -122,7 +116,7 @@ impl CompilationScope {
     pub(crate) fn bind_parents(&mut self, scope_id: HexoId, parents: Vec<HexoId>) {
         self.local_scopes
             .entry(scope_id)
-            .or_insert_with(LocalCompilationScope::new);
+            .or_insert_with(LocalCompilationScope::default);
 
         let local_scope: &mut LocalCompilationScope = self
             .local_scopes
@@ -136,13 +130,6 @@ impl CompilationScope {
 }
 
 impl LocalCompilationScope {
-    fn new() -> LocalCompilationScope {
-        LocalCompilationScope {
-            constant_table: HashMap::new(),
-            function_table: HashMap::new(),
-            parents: Vec::new(),
-        }
-    }
 
     fn bind_constant(&mut self, constant: ConstantBinding) {
         self.constant_table.insert(constant.name.clone(), constant);