diff --git a/.env.production.sample b/.env.production.sample
index 116e09991e..ad058b2b79 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -286,19 +286,6 @@ MAX_POLL_OPTION_CHARS=100
 # MAX_EMOJI_SIZE=262144
 # MAX_REMOTE_EMOJI_SIZE=262144
 
-# IP retention period
-# If undefined, the value of 31556952 (1 average year) will be used.
-# You should also change the scheduling (by default, every 24 hours) of ip_cleanup_scheduler in config/sidekiq.yml
-# if you change this value to avoid IP addresses being kept for longer than intended.
-# Time unit in seconds
-IP_RETENTION_PERIOD=31556952
-
-# Session retention period
-# The termination of (web) sessions older than a year is done alongside the ip cleanup in vanilla Mastodon.
-# Therefore, to prevent sessions from being destroyed alongside IP addresses, this separate period exists.
-# Its default value of 31556952 (1 year) is derived from the previous hardcoded value of IP_RETENTION_PERIOD.
-SESSION_RETENTION_PERIOD=31556952
-
 # Optional hCaptcha support
 # HCAPTCHA_SECRET_KEY=
 # HCAPTCHA_SITE_KEY=