diff --git a/src/Common/MemoryWorker.cpp b/src/Common/MemoryWorker.cpp
index dce47b83667..e5ebbe3b979 100644
--- a/src/Common/MemoryWorker.cpp
+++ b/src/Common/MemoryWorker.cpp
@@ -1,8 +1,8 @@
-#include "Common/ThreadPool.h"
 #include <Common/MemoryWorker.h>
 
 #include <Common/Jemalloc.h>
 #include <Common/MemoryTracker.h>
+#include <Common/formatReadable.h>
 
 namespace DB
 {
diff --git a/src/Common/MemoryWorker.h b/src/Common/MemoryWorker.h
index 8048194d9cd..5f02fd0b1d0 100644
--- a/src/Common/MemoryWorker.h
+++ b/src/Common/MemoryWorker.h
@@ -28,6 +28,8 @@ private:
 #else
 class MemoryWorker
 {
+public:
+    explicit MemoryWorker(uint64_t /*period_ms_*/) {}
 };
 #endif