diff --git a/dbms/src/Common/ErrorCodes.cpp b/dbms/src/Common/ErrorCodes.cpp
index 966bbd1dee2..5adeb30e49d 100644
--- a/dbms/src/Common/ErrorCodes.cpp
+++ b/dbms/src/Common/ErrorCodes.cpp
@@ -379,8 +379,7 @@ namespace ErrorCodes
     extern const int CANNOT_IOSETUP = 402;
     extern const int INVALID_JOIN_ON_EXPRESSION = 403;
     extern const int BAD_ODBC_CONNECTION_STRING = 404;
-    extern const int PARTITION_SIZE_EXCEEDS_MAX_DROP_SIZE_LIMIT = 405;
-    extern const int BAD_REQUEST_PARAMETER = 406;
+    extern const int BAD_REQUEST_PARAMETER = 405;
 
     extern const int KEEPER_EXCEPTION = 999;
     extern const int POCO_EXCEPTION = 1000;