2 files changed, 1 insertions, 2 deletions
diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs
index 6b70e9342fa..68284dcaa0b 100644
--- a/compiler/rustc_query_system/src/lib.rs
+++ b/compiler/rustc_query_system/src/lib.rs
@@ -1,5 +1,4 @@
 #![feature(assert_matches)]
-#![feature(bool_to_option)]
 #![feature(core_intrinsics)]
 #![feature(hash_raw_entry)]
 #![feature(let_else)]
diff --git a/compiler/rustc_query_system/src/query/plumbing.rs b/compiler/rustc_query_system/src/query/plumbing.rs
index 700290d67a4..3498df95196 100644
--- a/compiler/rustc_query_system/src/query/plumbing.rs
+++ b/compiler/rustc_query_system/src/query/plumbing.rs
@@ -675,6 +675,7 @@ where
     }
 }
 
+#[derive(Debug)]
 pub enum QueryMode {
     Get,
     Ensure,
@@ -697,7 +698,6 @@ where
         None
     };
 
-    debug!("ty::query::get_query<{}>(key={:?}, span={:?})", Q::NAME, key, span);
     let (result, dep_node_index) = try_execute_query(
         tcx,
         Q::query_state(tcx),