diff --git a/sstreasury/models.py b/sstreasury/models.py
index e29245c..2e9689f 100644
--- a/sstreasury/models.py
+++ b/sstreasury/models.py
@@ -1,5 +1,5 @@
 #    Society Self-Service
-#    Copyright © 2018-2019  Yingtong Li (RunasSudo)
+#    Copyright © 2018–2020  Yingtong Li (RunasSudo)
 #
 #    This program is free software: you can redistribute it and/or modify
 #    it under the terms of the GNU Affero General Public License as published by
@@ -268,8 +268,6 @@ class ReimbursementClaim(models.Model):
 		# Otherwise the submitter or Treasurer may edit
 		if user == self.author:
 			return True
-		if user in self.contributors.all():
-			return True
 		if user.groups.filter(name='Treasury').exists():
 			return True