diff --git a/dbms/src/Core/MySQLProtocol.h b/dbms/src/Core/MySQLProtocol.h
index 625f689d02f..046fb297fb1 100644
--- a/dbms/src/Core/MySQLProtocol.h
+++ b/dbms/src/Core/MySQLProtocol.h
@@ -20,8 +20,6 @@
 #include <IO/WriteBufferFromPocoSocket.h>
 #include <IO/WriteBufferFromString.h>
 #include <IO/WriteHelpers.h>
-#include <Poco/Crypto/DigestEngine.h>
-#include <Poco/DigestEngine.h>
 #include <Poco/Net/StreamSocket.h>
 #include <Poco/RandomStream.h>
 #include <Poco/SHA1Engine.h>
diff --git a/dbms/src/Interpreters/UsersManager.cpp b/dbms/src/Interpreters/UsersManager.cpp
index 6c33187f526..6d1f7152b9e 100644
--- a/dbms/src/Interpreters/UsersManager.cpp
+++ b/dbms/src/Interpreters/UsersManager.cpp
@@ -6,7 +6,6 @@
 #include <IO/HexWriteBuffer.h>
 #include <IO/WriteBufferFromString.h>
 #include <IO/WriteHelpers.h>
-#include <Poco/Crypto/DigestEngine.h>
 #include <Poco/Net/IPAddress.h>
 #include <Poco/SHA1Engine.h>
 #include <Poco/SHA2Engine.h>