diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 464e9da3724..d06ed4be978 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -20,7 +20,6 @@ pub use self::MetaItem_::*;
 pub use self::Mutability::*;
 pub use self::Pat_::*;
 pub use self::PathListItem_::*;
-pub use self::PrimTy::*;
 pub use self::Stmt_::*;
 pub use self::StrStyle::*;
 pub use self::StructFieldKind::*;
@@ -1534,17 +1533,6 @@ impl fmt::Debug for Ty {
     }
 }
 
-/// Not represented directly in the AST, referred to by name through a ty_path.
-#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug, Copy)]
-pub enum PrimTy {
-    TyInt(IntTy),
-    TyUint(UintTy),
-    TyFloat(FloatTy),
-    TyStr,
-    TyBool,
-    TyChar
-}
-
 #[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
 pub struct BareFnTy {
     pub unsafety: Unsafety,