diff --git a/src/expr.rs b/src/expr.rs
index d976699..bfa5ed8 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -306,7 +306,7 @@
 pub mod parsing {
     use super::*;
     use {BinOp, Delimited, DelimToken, FnArg, FnDecl, FunctionRetTy, Ident, Lifetime, Mac,
-         TokenTree, Ty, UnOp};
+         TokenTree, Ty, UnOp, Unsafety};
     use attr::parsing::outer_attr;
     use generics::parsing::lifetime;
     use ident::parsing::{ident, wordlike};
@@ -1143,7 +1143,7 @@
 #[cfg(feature = "printing")]
 mod printing {
     use super::*;
-    use {FnArg, FunctionRetTy, Mutability, Ty};
+    use {FnArg, FunctionRetTy, Mutability, Ty, Unsafety};
     use attr::FilterAttrs;
     use quote::{Tokens, ToTokens};