diff --git a/src/Ui/UiWebsocket.py b/src/Ui/UiWebsocket.py
index 0a96cdc3..13d96f33 100644
--- a/src/Ui/UiWebsocket.py
+++ b/src/Ui/UiWebsocket.py
@@ -273,7 +273,6 @@ class UiWebsocket(object):
 
         ret = {
             "auth_key": self.site.settings["auth_key"],  # Obsolete, will be removed
-            "auth_key_sha512": hashlib.sha512(self.site.settings["auth_key"]).hexdigest()[0:64],  # Obsolete, will be removed
             "auth_address": self.user.getAuthAddress(site.address, create=create_user),
             "cert_user_id": self.user.getCertUserId(site.address),
             "address": site.address,