diff --git a/src/Disks/ReadIndirectBufferFromWebServer.cpp b/src/Disks/ReadIndirectBufferFromWebServer.cpp
index 57ee0614563..079c5c1d98a 100644
--- a/src/Disks/ReadIndirectBufferFromWebServer.cpp
+++ b/src/Disks/ReadIndirectBufferFromWebServer.cpp
@@ -17,7 +17,6 @@ namespace ErrorCodes
 {
     extern const int CANNOT_SEEK_THROUGH_FILE;
     extern const int SEEK_POSITION_OUT_OF_BOUND;
-    extern const int NETWORK_ERROR;
 }
 
 ReadIndirectBufferFromWebServer::ReadIndirectBufferFromWebServer(