diff --git a/src/Common/JSONWebKey.h b/src/Common/JSONWebKey.h
index 45014cafc1d..e747791d7a9 100644
--- a/src/Common/JSONWebKey.h
+++ b/src/Common/JSONWebKey.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#if USE_SSL
 #include <Poco/Crypto/RSAKey.h>
 
 namespace DB
@@ -16,3 +17,4 @@ struct JSONWebKey
 };
 
 }
+#endif
diff --git a/src/Server/ACMEClient.cpp b/src/Server/ACMEClient.cpp
index 8975fd2ac75..142d4af2255 100644
--- a/src/Server/ACMEClient.cpp
+++ b/src/Server/ACMEClient.cpp
@@ -2,6 +2,7 @@
 #include <sstream>
 #include <Server/ACMEClient.h>
 
+#if USE_SSL
 #include <Core/BackgroundSchedulePool.h>
 #include <Disks/IO/ReadBufferFromWebServer.h>
 #include <IO/HTTPCommon.h>
@@ -628,3 +629,4 @@ std::string ACMEClient::requestChallenge(const std::string & uri)
 
 }
 }
+#endif
diff --git a/src/Server/ACMEClient.h b/src/Server/ACMEClient.h
index 5b1838a316e..02349cf2e17 100644
--- a/src/Server/ACMEClient.h
+++ b/src/Server/ACMEClient.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#if USE_SSL
 #include <boost/core/noncopyable.hpp>
 
 #include <Core/BackgroundSchedulePool.h>
@@ -122,3 +123,4 @@ private:
 
 }
 }
+#endif