1 files changed, 0 insertions, 10 deletions
diff --git a/compiler/rustc_serialize/src/opaque.rs b/compiler/rustc_serialize/src/opaque.rs
index 5e5cbacbcff..3bcb7cc3650 100644
--- a/compiler/rustc_serialize/src/opaque.rs
+++ b/compiler/rustc_serialize/src/opaque.rs
@@ -65,11 +65,6 @@ impl serialize::Encoder for Encoder {
     type Error = !;
 
     #[inline]
-    fn emit_unit(&mut self) -> EncodeResult {
-        Ok(())
-    }
-
-    #[inline]
     fn emit_usize(&mut self, v: usize) -> EncodeResult {
         write_leb128!(self, v, usize, write_usize_leb128)
     }
@@ -420,11 +415,6 @@ impl serialize::Encoder for FileEncoder {
     type Error = io::Error;
 
     #[inline]
-    fn emit_unit(&mut self) -> FileEncodeResult {
-        Ok(())
-    }
-
-    #[inline]
     fn emit_usize(&mut self, v: usize) -> FileEncodeResult {
         file_encoder_write_leb128!(self, v, usize, write_usize_leb128)
     }