I installed Akismet on my all section of site http://mynation.net
for each comment submitted on site akismet makes 3 seperate entries in database like this
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<wp:commentmeta>
<wp:meta_key>akismet_history</wp:meta_key>
<wp:meta_value><![CDATA[a:4:{s:4:"time";s:15:"1324356076.2336";s:7:"message";s:35:"Akismet caught this comment as spam";s:5:"event";s:10:"check-spam";s:4:"user";s:0:"";}]]></wp:meta_value>
</wp:commentmeta>
<wp:commentmeta>
<wp:meta_key>akismet_as_submitted</wp:meta_key>
<wp:meta_value><![CDATA[a:40:{s:15:"comment_post_ID";s:1:"8";s:14:"comment_author";s:77:"Divorce case in Dubai and India at same time,498A | MyNation Foundation Forum";s:18:"comment_author_url";s:43:"http://advice.mynation.net/topic.php?id=800";s:20:"comment_author_email";s:0:"";s:15:"comment_content";s:118:"[...] Member you can call our Kerala helpline from here http://mynation.net/contact-us/ Posted 8 minutes ago [...]";s:12:"comment_type";s:8:"pingback";s:7:"user_ip";s:13:"184.95.54.210";s:10:"user_agent";s:48:"The Incutio XML-RPC PHP Library -- bbPress/1.0.3";s:8:"referrer";s:0:"";s:4:"blog";s:19:"http://mynation.net";s:9:"blog_lang";s:5:"en_US";s:12:"blog_charset";s:5:"UTF-8";s:9:"permalink";s:31:"http://mynation.net/contact-us/";s:9:"user_role";s:0:"";s:21:"akismet_comment_nonce";s:6:"failed";s:15:"SERVER_SOFTWARE";s:18:"Apache/2.2.17 (EL)";s:11:"REQUEST_URI";s:11:"/xmlrpc.php";s:9:"HTTP_HOST";s:12:"mynation.net";s:12:"CONTENT_TYPE";s:8:"text/xml";s:15:"HTTP_USER_AGENT";s:48:"The Incutio XML-RPC PHP Library -- bbPress/1.0.3";s:14:"CONTENT_LENGTH";s:3:"275";s:4:"PATH";s:29:"/sbin:/usr/sbin:/bin:/usr/bin";s:16:"SERVER_SIGNATURE";s:69:"<address>Apache/2.2.17 (EL) Server at mynation.net Port 80</address>
";s:11:"SERVER_NAME";s:12:"mynation.net";s:11:"SERVER_ADDR";s:13:"184.95.54.210";s:11:"SERVER_PORT";s:2:"80";s:11:"REMOTE_ADDR";s:13:"184.95.54.210";s:13:"DOCUMENT_ROOT";s:25:"/xxx/yyy/mynation.net/";s:12:"SERVER_ADMIN";s:14:"head@localhost";s:15:"SCRIPT_FILENAME";s:35:"/xxx/yyy/mynation.net/xmlrpc.php";s:11:"REMOTE_PORT";s:5:"43713";s:17:"GATEWAY_INTERFACE";s:7:"CGI/1.1";s:15:"SERVER_PROTOCOL";s:8:"HTTP/1.0";s:14:"REQUEST_METHOD";s:4:"POST";s:12:"QUERY_STRING";s:0:"";s:11:"SCRIPT_NAME";s:11:"/xmlrpc.php";s:8:"PHP_SELF";s:11:"/xmlrpc.php";s:12:"REQUEST_TIME";s:10:"1324356074";s:4:"argv";s:0:"";s:4:"argc";s:1:"0";}]]></wp:meta_value>
</wp:commentmeta>
<wp:commentmeta>
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which makes database 3 times bigger.
is there anyway remove these unwanted entries...?