diff --git a/postgresql.custom.conf.tmpl b/postgresql.custom.conf.tmpl
index f158da2..639ed7e 100644
--- a/postgresql.custom.conf.tmpl
+++ b/postgresql.custom.conf.tmpl
@@ -16,7 +16,6 @@ wal_writer_delay = 500ms
 wal_level = minimal
 max_parallel_workers_per_gather = 0
 commit_delay = 10000
-# checkpoint_segments = 60 # unrecognized in psql 10.7.1
 max_wal_size = 10GB
 max_wal_senders = 0
 random_page_cost = 1.1