diff --git a/conf.d/10-pf.conf b/conf.d/10-pf.conf
index 0e39a3c2f2981d2afed3504e5e403640c22f8425..603a4431badacb6a8bc480f7cf3760c22b74e93a 100644
--- a/conf.d/10-pf.conf
+++ b/conf.d/10-pf.conf
@@ -6,10 +6,6 @@ filter {
       add_field => [ "received_at", "%{@timestamp}" ]
       add_field => [ "received_from", "%{host}" ]
     }
-    date {
-      match => [ "syslog_timestamp", "MMM d HH:mm:ss", "MMM dd HH:mm:ss" ]
-      locale => "en"
-    }
     mutate {
       rename => { "[message]" => "[event][original]"}
     }