1 files changed, 0 insertions, 3 deletions
diff --git a/docs/usage/administration/monthly_active_users.md b/docs/usage/administration/monthly_active_users.md
index b1da6f17c2..2c9123259e 100644
--- a/docs/usage/administration/monthly_active_users.md
+++ b/docs/usage/administration/monthly_active_users.md
@@ -79,6 +79,3 @@ Synapse records several different prometheus metrics for MAU.
`synapse_admin_mau_current_mau_by_service` records the current MAU including application service users. The label `app_service` can be used
to filter by a specific service ID. This *also* includes non-application-service users under `app_service=native` .
-
-`synapse_admin_mau_registered_reserved_users` records the number of users specified in `mau_limits_reserved_threepids` which have
-registered accounts on the homeserver.
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