Use TokenTree straight from proc_macro2
diff --git a/src/lib.rs b/src/lib.rs
index 474a0c0..e133f75 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -90,7 +90,7 @@
 pub use lit::{Lit, LitKind};
 
 mod mac;
-pub use mac::{Macro, TokenTree};
+pub use mac::Macro;
 
 mod derive;
 pub use derive::{Body, DeriveInput, BodyEnum, BodyStruct};