diff --git a/cmd/interop/src/json_details.h b/cmd/interop/src/json_details.h
index 60d5e1ea..24dedf5f 100644
--- a/cmd/interop/src/json_details.h
+++ b/cmd/interop/src/json_details.h
@@ -54,8 +54,7 @@ struct uint_serializer
 #define UINT_SERIALIZER(T)                                                     \
   template<>                                                                   \
   struct adl_serializer<T> : uint_serializer<T>                                \
-  {                                                                            \
-  };
+  {};
 
 UINT_SERIALIZER(mls::LeafCount)
 UINT_SERIALIZER(mls::NodeCount)
@@ -94,8 +93,7 @@ struct asymmetric_key_serializer
 #define ASYMM_KEY_SERIALIZER(T)                                                \
   template<>                                                                   \
   struct adl_serializer<T> : asymmetric_key_serializer<T>                      \
-  {                                                                            \
-  };
+  {};
 
 ASYMM_KEY_SERIALIZER(mls::HPKEPublicKey)
 ASYMM_KEY_SERIALIZER(mls::HPKEPrivateKey)
@@ -117,8 +115,7 @@ struct tls_serializer
 #define TLS_SERIALIZER(T)                                                      \
   template<>                                                                   \
   struct adl_serializer<T> : tls_serializer<T>                                 \
-  {                                                                            \
-  };
+  {};
 
 TLS_SERIALIZER(mls::TreeKEMPublicKey)
 TLS_SERIALIZER(mls::AuthenticatedContent)