mod obj;
pub use obj::LoadingError;
pub use obj::ObjData;
pub use obj::Object;
pub use obj::Group;

#[cfg(test)]
mod test;

mod obj;
pub use obj::LoadingError;
pub use obj::ObjData;

#[cfg(test)]
mod test;

--- 
+++ 
@@ -1,8 +1,6 @@
 mod obj;
 pub use obj::LoadingError;
 pub use obj::ObjData;
-pub use obj::Object;
-pub use obj::Group;
 
 #[cfg(test)]
 mod test;
Change visibility of Group and Object
