diff --git a/crates/backend/src/ast.rs b/crates/backend/src/ast.rs
index eea4d9d6..740ad183 100644
--- a/crates/backend/src/ast.rs
+++ b/crates/backend/src/ast.rs
@@ -2,7 +2,6 @@ use proc_macro2::{Ident, Span, TokenStream, TokenTree};
 use quote::ToTokens;
 use shared;
 use syn;
-use syn::AttrStyle;
 
 #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
 #[derive(Default)]