diff --git a/programs/server/config.xml b/programs/server/config.xml
index 383bf21c1bda..226af3c018d1 100644
--- a/programs/server/config.xml
+++ b/programs/server/config.xml
@@ -172,12 +172,12 @@
     <!-- Compatibility with MySQL protocol.
          ClickHouse will pretend to be MySQL for applications connecting to this port.
     -->
-    <mysql_port>9004</mysql_port>
+    <!-- <mysql_port>9004</mysql_port> -->
 
     <!-- Compatibility with PostgreSQL protocol.
          ClickHouse will pretend to be PostgreSQL for applications connecting to this port.
     -->
-    <postgresql_port>9005</postgresql_port>
+    <!-- <postgresql_port>9005</postgresql_port> -->
 
     <!-- HTTP API with TLS (HTTPS).
          You have to configure certificate to enable this interface.