diff --git a/resources/sql/autopatches/20140214.clean.1.legacycommentid.sql b/resources/sql/autopatches/20140214.clean.1.legacycommentid.sql
new file mode 100644
index 0000000000..e7fd57d122
--- /dev/null
+++ b/resources/sql/autopatches/20140214.clean.1.legacycommentid.sql
@@ -0,0 +1,2 @@
+ALTER TABLE {$NAMESPACE}_differential.differential_transaction_comment
+  DROP COLUMN legacyCommmentID;
diff --git a/src/applications/differential/storage/DifferentialTransactionComment.php b/src/applications/differential/storage/DifferentialTransactionComment.php
index 69e3b780e3..90086618ec 100644
--- a/src/applications/differential/storage/DifferentialTransactionComment.php
+++ b/src/applications/differential/storage/DifferentialTransactionComment.php
@@ -11,7 +11,6 @@ final class DifferentialTransactionComment
   protected $fixedState;
   protected $hasReplies = 0;
   protected $replyToCommentPHID;
-  protected $legacyCommentID;
 
   public function getApplicationTransactionObject() {
     return new DifferentialTransaction();