diff --git a/lalrpop/src/lib.rs b/lalrpop/src/lib.rs
index 35ba035..6d783d6 100644
--- a/lalrpop/src/lib.rs
+++ b/lalrpop/src/lib.rs
@@ -6,9 +6,6 @@
 // too darn annoying to try and make them do so.
 #![cfg_attr(test, allow(dead_code))]
 
-#![feature(in_band_lifetimes)]
-#![feature(infer_struct_outlives)]
-
 extern crate ascii_canvas;
 extern crate atty;
 extern crate bit_set;
diff --git a/lalrpop/src/rust/mod.rs b/lalrpop/src/rust/mod.rs
index c5e55e9..48223df 100644
--- a/lalrpop/src/rust/mod.rs
+++ b/lalrpop/src/rust/mod.rs
@@ -40,7 +40,7 @@ pub struct RustWrite<W: Write> {
 
 const TAB: usize = 4;
 
-impl<W: Write> RustWrite<W> {
+impl<'me, W: Write> RustWrite<W> {
     pub fn new(w: W) -> RustWrite<W> {
         RustWrite {
             write: w,
@@ -265,7 +265,7 @@ impl ParameterDisplay for String {
     }
 }
 
-impl ParameterDisplay for &repr::Parameter {
+impl<'me> ParameterDisplay for &'me repr::Parameter  {
     fn to_parameter_string(self) -> String {
         format!("{}: {}", self.name, self.ty)
     }