diff --git a/src/applications/phid/PhabricatorPHIDConstants.php b/src/applications/phid/PhabricatorPHIDConstants.php
index 4591d3608e..808ad7fdb5 100644
--- a/src/applications/phid/PhabricatorPHIDConstants.php
+++ b/src/applications/phid/PhabricatorPHIDConstants.php
@@ -1,27 +1,26 @@
 <?php
 
 final class PhabricatorPHIDConstants {
 
   const PHID_TYPE_USER    = 'USER';
   const PHID_TYPE_UNKNOWN = '????';
   const PHID_TYPE_MAGIC   = '!!!!';
   const PHID_TYPE_STRY    = 'STRY';
-  const PHID_TYPE_ACMT    = 'ACMT';
   const PHID_TYPE_TOBJ    = 'TOBJ';
   const PHID_TYPE_ACNT    = 'ACNT';
   const PHID_TYPE_PDCT    = 'PDCT';
   const PHID_TYPE_PRCH    = 'PRCH';
   const PHID_TYPE_PAYM    = 'PAYM';
   const PHID_TYPE_CHRG    = 'CHRG';
   const PHID_TYPE_CART    = 'CART';
   const PHID_TYPE_LEGB    = 'LEGB';
 
   const PHID_TYPE_XCMT    = 'XCMT';
 
   const PHID_TYPE_AUTH    = 'AUTH';
   const PHID_TYPE_XOBJ    = 'XOBJ';
 
   const PHID_TYPE_VOID    = 'VOID';
   const PHID_VOID         = 'PHID-VOID-00000000000000000000';
 
 }