diff --git a/src/libcore/pipes.rs b/src/libcore/pipes.rs
index 3e941da1247..947976e79af 100644
--- a/src/libcore/pipes.rs
+++ b/src/libcore/pipes.rs
@@ -143,8 +143,8 @@ pub fn BufferHeader() -> BufferHeader {
 // This is for protocols to associate extra data to thread around.
 #[doc(hidden)]
 #[cfg(stage0)]
-#[cfg(stage1)]
 type Buffer<T> = { header: BufferHeader, data: T };
+#[cfg(stage1)]
 #[cfg(stage2)]
 pub struct Buffer<T> {
     header: BufferHeader,
@@ -258,22 +258,8 @@ fn unibuffer<T: Owned>() -> ~Buffer<Packet<T>> {
     }
     move b
 }
-#[cfg(stage1)]
-fn unibuffer<T>() -> ~Buffer<Packet<T>> {
-    let b = ~{
-        header: BufferHeader(),
-        data: Packet {
-            header: PacketHeader(),
-            payload: None,
-        }
-    };
-
-    unsafe {
-        b.data.header.buffer = reinterpret_cast(&b);
-    }
-    move b
-}
 #[doc(hidden)]
+#[cfg(stage1)]
 #[cfg(stage2)]
 fn unibuffer<T>() -> ~Buffer<Packet<T>> {
     let b = ~Buffer {
diff --git a/src/libsyntax/ext/pipes/pipec.rs b/src/libsyntax/ext/pipes/pipec.rs
index eec9c6eceaf..da0ac4e08ab 100644
--- a/src/libsyntax/ext/pipes/pipec.rs
+++ b/src/libsyntax/ext/pipes/pipec.rs
@@ -355,34 +355,6 @@ pub impl protocol: gen_init {
         }))
     }
 
-    #[cfg(stage0)]
-    fn gen_init_bounded(ext_cx: ext_ctxt) -> @ast::expr {
-        debug!("gen_init_bounded");
-        let buffer_fields = self.gen_buffer_init(ext_cx);
-        let buffer = quote_expr!(~{
-            header: ::pipes::BufferHeader(),
-            data: $buffer_fields,
-        });
-
-        let entangle_body = ext_cx.block_expr(
-            ext_cx.block(
-                self.states.map_to_vec(
-                    |s| ext_cx.parse_stmt(
-                        fmt!("data.%s.set_buffer(buffer)",
-                             s.name))),
-                ext_cx.parse_expr(
-                    fmt!("::ptr::addr_of(&(data.%s))",
-                         self.states[0].name))));
-
-        quote_expr!({
-            let buffer = $buffer;
-            do ::pipes::entangle_buffer(move buffer) |buffer, data| {
-                $entangle_body
-            }
-        })
-    }
-    #[cfg(stage1)]
-    #[cfg(stage2)]
     fn gen_init_bounded(ext_cx: ext_ctxt) -> @ast::expr {
         debug!("gen_init_bounded");
         let buffer_fields = self.gen_buffer_init(ext_cx);