diff --git a/src/Databases/TablesDependencyGraph.cpp b/src/Databases/TablesDependencyGraph.cpp
index c37c6a74152..007bcb5ab17 100644
--- a/src/Databases/TablesDependencyGraph.cpp
+++ b/src/Databases/TablesDependencyGraph.cpp
@@ -1,4 +1,3 @@
-#include <unordered_map>
 #include <Databases/TablesDependencyGraph.h>
 #include <Common/logger_useful.h>
 #include <IO/WriteHelpers.h>