diff --git a/src/generator.rs b/src/generator.rs
index 4135610..d1d1b4f 100644
--- a/src/generator.rs
+++ b/src/generator.rs
@@ -74,13 +74,6 @@ mod util {
         }
     }
 
-    impl DataType {
-        fn to_rust_type_token(&self) -> proc_macro2::Ident {
-            match self {
-                DataType::D32 => proc_macro2::Ident::new("u32", proc_macro2::Span::call_site()),
-            }
-        }
-    }
     #[cfg(test)]
     mod test {
         use super::RustUxTypes;