diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index 50a434a507..ee069179f0 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -364,7 +364,7 @@ class ThreepidRestServlet(RestServlet):
 
 
 class ThreepidDeleteRestServlet(RestServlet):
-    PATTERNS = client_v2_patterns("/account/3pid/delete$", releases=())
+    PATTERNS = client_v2_patterns("/account/3pid/delete$")
 
     def __init__(self, hs):
         super(ThreepidDeleteRestServlet, self).__init__()