2 files changed, 5 insertions, 6 deletions

diff --git a/crates/ra_hir_expand/src/builtin_macro.rs b/crates/ra_hir_expand/src/builtin_macro.rs
index 1749b491b..857f8a444 100644
--- a/crates/ra_hir_expand/src/builtin_macro.rs
+++ b/crates/ra_hir_expand/src/builtin_macro.rs
@@ -138,7 +138,7 @@ fn to_col_number(db: &dyn AstDatabase, file: HirFileId, pos: TextUnit) -> usize
         if c == '\n' {
             break;
         }
-        col_num = col_num + 1;
+        col_num += 1;
     }
     col_num
 }
diff --git a/crates/ra_hir_expand/src/db.rs b/crates/ra_hir_expand/src/db.rs
index f68aca789..42e599fec 100644
--- a/crates/ra_hir_expand/src/db.rs
+++ b/crates/ra_hir_expand/src/db.rs
@@ -93,12 +93,11 @@ pub(crate) fn macro_def(
             Some(Arc::new((TokenExpander::MacroRules(rules), tmap)))
         }
         MacroDefKind::BuiltIn(expander) => {
-            Some(Arc::new((TokenExpander::Builtin(expander.clone()), mbe::TokenMap::default())))
+            Some(Arc::new((TokenExpander::Builtin(expander), mbe::TokenMap::default())))
+        }
+        MacroDefKind::BuiltInDerive(expander) => {
+            Some(Arc::new((TokenExpander::BuiltinDerive(expander), mbe::TokenMap::default())))
         }
-        MacroDefKind::BuiltInDerive(expander) => Some(Arc::new((
-            TokenExpander::BuiltinDerive(expander.clone()),
-            mbe::TokenMap::default(),
-        ))),
     }
 }