2 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax_ext/deriving/generic/mod.rs b/src/libsyntax_ext/deriving/generic/mod.rs
index 8b719b5477c..3edf7726ec6 100644
--- a/src/libsyntax_ext/deriving/generic/mod.rs
+++ b/src/libsyntax_ext/deriving/generic/mod.rs
@@ -346,7 +346,7 @@ fn find_type_parameters(ty: &ast::Ty,
                         -> Vec<P<ast::Ty>> {
     use syntax::visit;
 
-    struct Visitor<'a, 'b: 'a> {
+    struct Visitor<'a, 'b> {
         cx: &'a ExtCtxt<'b>,
         span: Span,
         ty_param_names: &'a [ast::Name],
diff --git a/src/libsyntax_ext/format.rs b/src/libsyntax_ext/format.rs
index f44a6e7efa4..a5f96559ca8 100644
--- a/src/libsyntax_ext/format.rs
+++ b/src/libsyntax_ext/format.rs
@@ -31,7 +31,7 @@ enum Position {
     Named(Symbol),
 }
 
-struct Context<'a, 'b: 'a> {
+struct Context<'a, 'b> {
     ecx: &'a mut ExtCtxt<'b>,
     /// The macro's call site. References to unstable formatting internals must
     /// use this span to pass the stability checker.