diff --git a/src/Interpreters/Context.h b/src/Interpreters/Context.h
index a3157627703..4b56ee4a5ae 100644
--- a/src/Interpreters/Context.h
+++ b/src/Interpreters/Context.h
@@ -147,7 +147,6 @@ class ServerType;
 template <class Queue>
 class MergeTreeBackgroundExecutor;
 class AsyncLoader;
-struct ScopeAliases;
 
 struct TemporaryTableHolder;
 using TemporaryTablesMapping = std::map<String, std::shared_ptr<TemporaryTableHolder>>;