1 files changed, 0 insertions, 5 deletions
diff --git a/compiler/rustc_query_impl/src/on_disk_cache.rs b/compiler/rustc_query_impl/src/on_disk_cache.rs
index 5a915933dc5..e93bf1a4752 100644
--- a/compiler/rustc_query_impl/src/on_disk_cache.rs
+++ b/compiler/rustc_query_impl/src/on_disk_cache.rs
@@ -993,11 +993,6 @@ where
 {
     type Error = E::Error;
 
-    #[inline]
-    fn emit_unit(&mut self) -> Result<(), Self::Error> {
-        Ok(())
-    }
-
     encoder_methods! {
         emit_usize(usize);
         emit_u128(u128);