diff --git a/src/Disks/IDiskRemote.cpp b/src/Disks/IDiskRemote.cpp
index b1b051c5e52..d72d7004cb7 100644
--- a/src/Disks/IDiskRemote.cpp
+++ b/src/Disks/IDiskRemote.cpp
@@ -26,7 +26,6 @@ namespace ErrorCodes
     extern const int PATH_ACCESS_DENIED;;
     extern const int FILE_DOESNT_EXIST;
     extern const int BAD_FILE_TYPE;
-    extern const int MEMORY_LIMIT_EXCEEDED;
 }