diff --git a/ydb/core/fq/libs/row_dispatcher/ut/json_parser_ut.cpp b/ydb/core/fq/libs/row_dispatcher/ut/json_parser_ut.cpp
index 48caef27767d..8d1819065a38 100644
--- a/ydb/core/fq/libs/row_dispatcher/ut/json_parser_ut.cpp
+++ b/ydb/core/fq/libs/row_dispatcher/ut/json_parser_ut.cpp
@@ -59,7 +59,7 @@ class TFixture : public NUnitTest::TBaseFixture {
     }
 
     void MakeParser(TVector<TString> columns) {
-        MakeParser(columns, TVector<TString>(columns.size(), "[DataType; String]"), [](ui64, ui64, const TVector<TVector<NYql::NUdf::TUnboxedValue>>&) {});
+        MakeParser(columns, TVector<TString>(columns.size(), "[DataType; String]"));
     }
 
     void PushToParser(ui64 offset, const TString& data) {