Remove `MacroRulesTT`.

1 files changed, 1 insertions, 5 deletions

diff --git a/src/librustc_plugin/registry.rs b/src/librustc_plugin/registry.rs
index 435196d9561..8f0cc2c3d75 100644
--- a/src/librustc_plugin/registry.rs
+++ b/src/librustc_plugin/registry.rs
@@ -17,7 +17,7 @@ use rustc::mir::transform::MirMapPass;
 
 use syntax::ext::base::{SyntaxExtension, NamedSyntaxExtension, NormalTT};
 use syntax::ext::base::{IdentTT, MultiModifier, MultiDecorator};
-use syntax::ext::base::{MacroExpanderFn, MacroRulesTT};
+use syntax::ext::base::MacroExpanderFn;
 use syntax::parse::token;
 use syntax::ast;
 use syntax::feature_gate::AttributeType;
@@ -111,10 +111,6 @@ impl<'a> Registry<'a> {
             }
             MultiDecorator(ext) => MultiDecorator(ext),
             MultiModifier(ext) => MultiModifier(ext),
-            MacroRulesTT => {
-                self.sess.err("plugin tried to register a new MacroRulesTT");
-                return;
-            }
         }));
     }