1 files changed, 1 insertions, 1 deletions
diff --git a/src/sync.h b/src/sync.h
index dc63e3f2d0..b22956ef1a 100644
--- a/src/sync.h
+++ b/src/sync.h
@@ -206,7 +206,7 @@ public:
 
 protected:
     // needed for reverse_lock
-    UniqueLock() { }
+    UniqueLock() = default;
 
 public:
     /**