diff --git a/resources/sql/patches/20130222.dropchannel.sql b/resources/sql/patches/20130222.dropchannel.sql
new file mode 100644
index 0000000000..00e6a13f18
--- /dev/null
+++ b/resources/sql/patches/20130222.dropchannel.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `{$NAMESPACE}_chatlog`.`chatlog_event`
+  DROP channel;
diff --git a/src/applications/chatlog/storage/PhabricatorChatLogEvent.php b/src/applications/chatlog/storage/PhabricatorChatLogEvent.php
index ebdb600ea6..94d641a4e9 100644
--- a/src/applications/chatlog/storage/PhabricatorChatLogEvent.php
+++ b/src/applications/chatlog/storage/PhabricatorChatLogEvent.php
@@ -4,7 +4,6 @@ final class PhabricatorChatLogEvent
   extends PhabricatorChatLogDAO
   implements PhabricatorPolicyInterface {
 
-  protected $channel;
   protected $channelID;
   protected $epoch;
   protected $author;
diff --git a/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php b/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
index c4d9940646..16c31ea6ac 100644
--- a/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
+++ b/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
@@ -1125,6 +1125,10 @@ final class PhabricatorBuiltinPatchList extends PhabricatorSQLPatchList {
         'type'    => 'sql',
         'name'    => $this->getPatchPath('20130214.token.sql'),
       ),
+      '20130215.phabricatorfileaddttl.sql' => array(
+        'type'    => 'sql',
+        'name'    => $this->getPatchPath('20130215.phabricatorfileaddttl.sql'),
+      ),
       '20130217.cachettl.sql' => array(
         'type'    => 'sql',
         'name'    => $this->getPatchPath('20130217.cachettl.sql'),
@@ -1145,9 +1149,9 @@ final class PhabricatorBuiltinPatchList extends PhabricatorSQLPatchList {
         'type'    => 'php',
         'name'    => $this->getPatchPath('20130219.commitsummarymig.php'),
       ),
-      '20130215.phabricatorfileaddttl.sql' => array(
+      '20130222.dropchannel.sql' => array(
         'type'    => 'sql',
-        'name'    => $this->getPatchPath('20130215.phabricatorfileaddttl.sql'),
+        'name'    => $this->getPatchPath('20130222.dropchannel.sql'),
       ),
     );
   }