diff --git a/ydb/library/yql/tools/sql2yql/sql2yql.cpp b/ydb/library/yql/tools/sql2yql/sql2yql.cpp
index bc2406b2dde0..8dbcd94a027d 100644
--- a/ydb/library/yql/tools/sql2yql/sql2yql.cpp
+++ b/ydb/library/yql/tools/sql2yql/sql2yql.cpp
@@ -252,7 +252,7 @@ int BuildAST(int argc, char* argv[]) {
             queries.push_back(queryString);
         }
 
-        for (const auto query: queries) {
+        for (const auto& query: queries) {
             if (query.empty()) {
                 continue;
             }
diff --git a/ydb/library/yql/tools/sql2yql/ya.make b/ydb/library/yql/tools/sql2yql/ya.make
index 5ee84c5c1c2e..bb4f33131ced 100644
--- a/ydb/library/yql/tools/sql2yql/ya.make
+++ b/ydb/library/yql/tools/sql2yql/ya.make
@@ -12,8 +12,6 @@ PEERDIR(
     ydb/library/yql/sql/v1/format
 )
 
-NO_COMPILER_WARNINGS()
-
 ADDINCL(
     GLOBAL contrib/libs/antlr3_cpp_runtime/include
 )