diff --git a/src/librustc/middle/expr_use_visitor.rs b/src/librustc/middle/expr_use_visitor.rs
index 4e09f9a86329..e5ee2ca0d402 100644
--- a/src/librustc/middle/expr_use_visitor.rs
+++ b/src/librustc/middle/expr_use_visitor.rs
@@ -274,7 +274,6 @@ impl<'d,'t,'a,'tcx> ExprUseVisitor<'d,'t,'a,'tcx> {
     pub fn new(delegate: &'d mut Delegate<'tcx>,
                typer: &'t infer::InferCtxt<'a, 'tcx>)
                -> ExprUseVisitor<'d,'t,'a,'tcx>
-        where 'tcx: 't // FIXME(#27583) workaround apparent stage0 bug
     {
         ExprUseVisitor {
             typer: typer,