diff --git a/src/lib/datasrc/rbnode_rrset.h b/src/lib/datasrc/rbnode_rrset.h
index d711f71e77..3e5d20a803 100644
--- a/src/lib/datasrc/rbnode_rrset.h
+++ b/src/lib/datasrc/rbnode_rrset.h
@@ -141,7 +141,6 @@ public:
         }
     }
 
-
     virtual unsigned int toWire(
         isc::dns::AbstractMessageRenderer& renderer) const;