diff --git a/src/Coordination/SnapshotableHashTable.h b/src/Coordination/SnapshotableHashTable.h
index 5533913b3b8..0c6af29d24a 100644
--- a/src/Coordination/SnapshotableHashTable.h
+++ b/src/Coordination/SnapshotableHashTable.h
@@ -7,11 +7,6 @@
 namespace DB
 {
 
-namespace ErrorCodes
-{
-    extern const int LOGICAL_ERROR;
-}
-
 template<typename V>
 struct ListNode
 {