diff --git a/crates/lang/src/ast.rs b/crates/lang/src/ast.rs
index d5838a2..42d160c 100644
--- a/crates/lang/src/ast.rs
+++ b/crates/lang/src/ast.rs
@@ -1,8 +1,6 @@
 use crate::lst_parser::syntax_kind::SyntaxKind::*;
 use crate::SyntaxNode;
 use rowan::Language;
-
-// Heavily modified version of https://github.com/rust-analyzer/rowan/blob/e2d2e93e16c5104b136d0bc738a0d48346922200/examples/s_expressions.rs#L250-L266
 macro_rules! ast_nodes {
     ($($ast:ident, $kind:ident);+) => {
         $(
diff --git a/crates/lang/src/world.rs b/crates/lang/src/world.rs
index 7713422..2ce9997 100644
--- a/crates/lang/src/world.rs
+++ b/crates/lang/src/world.rs
@@ -1,7 +1,5 @@
 use std::path::Path;
 
-use self::files::{Files, OpenFileError};
-
 mod error;
 mod files;
 
@@ -9,19 +7,8 @@ struct World;
 
 impl World {
     pub fn new(entry_point: &Path) -> Result<Self, WorldCreationError> {
-        let mut files = Files::default();
-        let (entry_point_id, errors) = files.add_file(entry_point)?;
-
         todo!()
     }
 }
 
-enum WorldCreationError {
-    FailedToOpenEntryPoint(OpenFileError),
-}
-
-impl From<OpenFileError> for WorldCreationError {
-    fn from(value: OpenFileError) -> Self {
-        Self::FailedToOpenEntryPoint(value)
-    }
-}
+enum WorldCreationError {}
diff --git a/crates/lang/src/world/files.rs b/crates/lang/src/world/files.rs
index 24053d7..0c112ad 100644
--- a/crates/lang/src/world/files.rs
+++ b/crates/lang/src/world/files.rs
@@ -15,8 +15,7 @@ use crate::{
     world::{error::Error, files::source_file::SourceFile},
 };
 
-#[derive(Default)]
-pub struct Files {
+struct Files {
     inner: Vec<source_file::SourceFile>,
     path_to_id_map: HashMap<PathBuf, FileId>,
 }