diff --git a/dbms/programs/server/HTTPHandler.cpp b/dbms/programs/server/HTTPHandler.cpp
index 9d9324b9a3e9..34037a7c7c0d 100644
--- a/dbms/programs/server/HTTPHandler.cpp
+++ b/dbms/programs/server/HTTPHandler.cpp
@@ -270,7 +270,6 @@ void HTTPHandler::processQuery(
     std::string query_id = params.get("query_id", "");
     context.setUser(user, password, request.clientAddress(), quota_key);
     context.setCurrentQueryId(query_id);
-    CurrentThread::attachQueryContext(context);
 
     /// The user could specify session identifier and session timeout.
     /// It allows to modify settings, create temporary tables and reuse them in subsequent requests.