diff --git a/egui-inspect-derive/src/lib.rs b/egui-inspect-derive/src/lib.rs
index 086423b..b204725 100644
--- a/egui-inspect-derive/src/lib.rs
+++ b/egui-inspect-derive/src/lib.rs
@@ -4,12 +4,8 @@ use quote::quote;
 #[proc_macro]
 pub fn expand(_: TokenStream) -> TokenStream {
     quote! {
-        impl GameState {
-            fn inspect_mut(&mut self) {
-                output_mut(|o| o.copied_text = "".into());
-                output_mut(|o| o.copied_text = format!("{:?}", self.tile_db));
-            }
-        }
+        output_mut(|o| o.copied_text = "".into());
+        output_mut(|o| o.copied_text = format!("{:?}", self.tile_db));
     }
     .into()
 }
diff --git a/src/main.rs b/src/main.rs
index da5acab..40b5ae2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,7 +11,11 @@ pub(crate) struct GameState {
     pub(crate) tile_db: TileDb,
 }
 
-expand! {}
+impl GameState {
+    fn inspect_mut(&mut self) {
+        expand! {}
+    }
+}
 
 fn new() -> GameState {
     loop {}