diff --git a/README.md b/README.md
index 4d62b67..1d7bed8 100644
--- a/README.md
+++ b/README.md
@@ -244,6 +244,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **17.10.21:** - Remove `UMASK_SET`.
 * **08.05.21:** - Make the paths clearer to the user
 * **17.01.21:** - Deprecate `UMASK_SET` in favor of UMASK in baseimage, see above for more information.
 * **11.30.20:** - Publish `develop` tag.
diff --git a/readme-vars.yml b/readme-vars.yml
index 6e64fa6..20e968f 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -56,6 +56,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "17.10.21:", desc: "Remove `UMASK_SET`." }
   - { date: "08.05.21:", desc: "Make the paths clearer to the user" }
   - { date: "17.01.21:", desc: "Deprecate `UMASK_SET` in favor of UMASK in baseimage, see above for more information." }
   - { date: "11.30.20:", desc: "Publish `develop` tag." }
diff --git a/root/etc/services.d/radarr/run b/root/etc/services.d/radarr/run
index 920cb4b..f17ac50 100644
--- a/root/etc/services.d/radarr/run
+++ b/root/etc/services.d/radarr/run
@@ -1,12 +1,7 @@
 #!/usr/bin/with-contenv bash
 
-if [ -n "${UMASK_SET}" ] && [ -z "${UMASK}" ]; then
-  echo -e "You are using a legacy method of defining umask\nplease update your environment variable from UMASK_SET to UMASK\nto keep the functionality after July 2021"
-  umask ${UMASK_SET}
-fi
-
 cd /app/radarr/bin || exit
 
 exec \
-  s6-setuidgid abc /app/radarr/bin/Radarr \
-  -nobrowser -data=/config
\ No newline at end of file
+    s6-setuidgid abc /app/radarr/bin/Radarr \
+    -nobrowser -data=/config
\ No newline at end of file