1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax/parse/lexer/mod.rs b/src/libsyntax/parse/lexer/mod.rs
index f5781e0587d..d9887c28e5c 100644
--- a/src/libsyntax/parse/lexer/mod.rs
+++ b/src/libsyntax/parse/lexer/mod.rs
@@ -1470,11 +1470,11 @@ mod test {
     use diagnostic;
     use parse::token;
     use parse::token::{str_to_ident};
-    use std::old_io::util;
+    use std::io;
 
     fn mk_sh() -> diagnostic::SpanHandler {
         // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
-        let emitter = diagnostic::EmitterWriter::new(Box::new(util::NullWriter), None);
+        let emitter = diagnostic::EmitterWriter::new(Box::new(io::sink()), None);
         let handler = diagnostic::mk_handler(true, Box::new(emitter));
         diagnostic::mk_span_handler(handler, CodeMap::new())
     }