diff --git a/src/Disks/ObjectStorages/DiskObjectStorageTransaction.cpp b/src/Disks/ObjectStorages/DiskObjectStorageTransaction.cpp
index 66e8beb0637..e1ac9f6fba7 100644
--- a/src/Disks/ObjectStorages/DiskObjectStorageTransaction.cpp
+++ b/src/Disks/ObjectStorages/DiskObjectStorageTransaction.cpp
@@ -23,7 +23,6 @@ namespace ErrorCodes
     extern const int CANNOT_OPEN_FILE;
     extern const int FILE_DOESNT_EXIST;
     extern const int BAD_FILE_TYPE;
-    extern const int FILE_ALREADY_EXISTS;
     extern const int CANNOT_PARSE_INPUT_ASSERTION_FAILED;
     extern const int LOGICAL_ERROR;
 }