diff --git a/changelog.d/10588.removal b/changelog.d/10588.removal
new file mode 100644
index 0000000000..90c4b5cee2
--- /dev/null
+++ b/changelog.d/10588.removal
@@ -0,0 +1 @@
+No longer build `.dev` packages for Ubuntu 20.10 LTS Groovy Gorilla, which has now EOLed.
\ No newline at end of file
diff --git a/scripts-dev/build_debian_packages b/scripts-dev/build_debian_packages
index 0ed1c679fd..6153cb225f 100755
--- a/scripts-dev/build_debian_packages
+++ b/scripts-dev/build_debian_packages
@@ -25,7 +25,6 @@ DISTS = (
     "debian:sid",
     "ubuntu:bionic",  # 18.04 LTS (our EOL forced by Py36 on 2021-12-23)
     "ubuntu:focal",  # 20.04 LTS (our EOL forced by Py38 on 2024-10-14)
-    "ubuntu:groovy",  # 20.10 (EOL 2021-07-07)
     "ubuntu:hirsute",  # 21.04 (EOL 2022-01-05)
 )