diff --git a/25.3/debian/dev/Dockerfile b/25.3/debian/dev/Dockerfile
diff --git a/26.3/alpine/dev/Dockerfile b/26.3/alpine/dev/Dockerfile
diff --git a/26.3/debian/dev/Dockerfile b/26.3/debian/dev/Dockerfile
diff --git a/27.2/alpine/dev/Dockerfile b/27.2/alpine/dev/Dockerfile
diff --git a/27.2/debian/dev/Dockerfile b/27.2/debian/dev/Dockerfile
diff --git a/28.1/alpine/dev/Dockerfile b/28.1/alpine/dev/Dockerfile
diff --git a/28.1/debian/dev/Dockerfile b/28.1/debian/dev/Dockerfile
diff --git a/28.2/alpine/dev/Dockerfile b/28.2/alpine/dev/Dockerfile
diff --git a/28.2/debian/dev/Dockerfile b/28.2/debian/dev/Dockerfile
diff --git a/README.md b/README.md
@@ -9,13 +9,11 @@ Run Emacs in docker containers!
 | OS                                | Tag                      | Size (MB) | Inherits from      | Contents                                                              |
 |-----------------------------------|--------------------------|-----------|--------------------|-----------------------------------------------------------------------|
 | [debian](https://debian.org)      | $version                 |       450 |                    | Emacs, curl, gnupg & imagemagick                                      |
-| [debian](https://debian.org)      | $version-dev             |      1400 | $version           | All build dependencies & source in `/opt/emacs`                       |
 | [debian](https://debian.org)      | $version-ci              |       480 | $version           | [git](https://git-scm.com) & make                                     |
 | [debian](https://debian.org)      | $version-ci-cask         |       520 | $version-ci        | [Cask](https://caskreadthedocs.io) & [Python](https://www.python.org) |
 | [debian](https://debian.org)      | $version-ci-eldev        |       480 | $version-ci        | [eldev](https://github.com/doublep/eldev)                             |
 | [debian](https://debian.org)      | $version-ci-keg          |       480 | $version-ci        | [keg](https://github.com/conao3/keg.el)                                |
 | [alpine](https://alpinelinux.org) | $version-alpine          |       220 |                    | Emacs, curl, gnupg & imagemagick                                      |
-| [alpine](https://alpinelinux.org) | $version-alpine-dev      |      1200 | $version-alpine    | All build dependencies & source in `/opt/emacs`                       |
 | [alpine](https://alpinelinux.org) | $version-alpine-ci       |       240 | $version-alpine    | [git](https://git-scm.com) & make                                     |
 | [alpine](https://alpinelinux.org) | $version-alpine-ci-cask  |       280 | $version-alpine-ci | [Cask](https://caskreadthedocs.io) & [Python](https://www.python.org) |
 | [alpine](https://alpinelinux.org) | $version-alpine-ci-eldev |       240 | $version-alpine-ci | [eldev](https://github.com/doublep/eldev)                             |
@@ -24,84 +22,70 @@ Run Emacs in docker containers!
 # Tags
 
 - [`master`](https://github.com/Silex/docker-emacs/blob/master/master/debian/Dockerfile)
-- [`master-dev`](https://github.com/Silex/docker-emacs/blob/master/master/debian/dev/Dockerfile)
 - [`master-ci`](https://github.com/Silex/docker-emacs/blob/master/master/debian/ci/Dockerfile)
 - [`master-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/master/debian/ci/cask/Dockerfile)
 - [`master-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/master/debian/ci/eldev/Dockerfile)
 - [`master-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/master/debian/ci/keg/Dockerfile)
 - [`master-alpine`](https://github.com/Silex/docker-emacs/blob/master/master/alpine/Dockerfile)
-- [`master-alpine-dev`](https://github.com/Silex/docker-emacs/blob/master/master/alpine/dev/Dockerfile)
 - [`master-alpine-ci`](https://github.com/Silex/docker-emacs/blob/master/master/alpine/ci/Dockerfile)
 - [`master-alpine-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/master/alpine/ci/cask/Dockerfile)
 - [`master-alpine-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/master/alpine/ci/eldev/Dockerfile)
 - [`master-alpine-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/master/alpine/ci/keg/Dockerfile)
 - [`28.2`, `28`, `latest`](https://github.com/Silex/docker-emacs/blob/master/28.2/debian/Dockerfile)
-- [`28.2-dev`, `28-dev`, `dev`](https://github.com/Silex/docker-emacs/blob/master/28.2/debian/dev/Dockerfile)
 - [`28.2-ci`, `28-ci`, `ci`](https://github.com/Silex/docker-emacs/blob/master/28.2/debian/ci/Dockerfile)
 - [`28.2-ci-cask`, `28-ci-cask`, `cask`](https://github.com/Silex/docker-emacs/blob/master/28.2/debian/ci/cask/Dockerfile)
 - [`28.2-ci-eldev`, `28-ci-eldev`, `eldev`](https://github.com/Silex/docker-emacs/blob/master/28.2/debian/ci/eldev/Dockerfile)
 - [`28.2-ci-keg`, `28-ci-keg`, `keg`](https://github.com/Silex/docker-emacs/blob/master/28.2/debian/ci/keg/Dockerfile)
 - [`28.2-alpine`, `28-alpine`, `alpine`](https://github.com/Silex/docker-emacs/blob/master/28.2/alpine/Dockerfile)
-- [`28.2-alpine-dev`, `28-alpine-dev`, `alpine-dev`](https://github.com/Silex/docker-emacs/blob/master/28.2/alpine/dev/Dockerfile)
 - [`28.2-alpine-ci`, `28-alpine-ci`, `alpine-ci`](https://github.com/Silex/docker-emacs/blob/master/28.2/alpine/ci/Dockerfile)
 - [`28.2-alpine-ci-cask`, `28-alpine-ci-cask`, `alpine-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/28.2/alpine/ci/cask/Dockerfile)
 - [`28.2-alpine-ci-eldev`, `28-alpine-ci-eldev`, `alpine-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/28.2/alpine/ci/eldev/Dockerfile)
 - [`28.2-alpine-ci-keg`, `28-alpine-ci-keg`, `alpine-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/28.2/alpine/ci/keg/Dockerfile)
 - [`28.1`](https://github.com/Silex/docker-emacs/blob/master/28.1/debian/Dockerfile)
-- [`28.1-dev`](https://github.com/Silex/docker-emacs/blob/master/28.1/debian/dev/Dockerfile)
 - [`28.1-ci`](https://github.com/Silex/docker-emacs/blob/master/28.1/debian/ci/Dockerfile)
 - [`28.1-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/28.1/debian/ci/cask/Dockerfile)
 - [`28.1-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/28.1/debian/ci/eldev/Dockerfile)
 - [`28.1-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/28.1/debian/ci/keg/Dockerfile)
 - [`28.1-alpine`](https://github.com/Silex/docker-emacs/blob/master/28.1/alpine/Dockerfile)
-- [`28.1-alpine-dev`](https://github.com/Silex/docker-emacs/blob/master/28.1/alpine/dev/Dockerfile)
 - [`28.1-alpine-ci`](https://github.com/Silex/docker-emacs/blob/master/28.1/alpine/ci/Dockerfile)
 - [`28.1-alpine-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/28.1/alpine/ci/cask/Dockerfile)
 - [`28.1-alpine-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/28.1/alpine/ci/eldev/Dockerfile)
 - [`28.1-alpine-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/28.1/alpine/ci/keg/Dockerfile)
 - [`27.2`, `27`](https://github.com/Silex/docker-emacs/blob/master/27.2/debian/Dockerfile)
-- [`27.2-dev`, `27-dev`](https://github.com/Silex/docker-emacs/blob/master/27.2/debian/dev/Dockerfile)
 - [`27.2-ci`, `27-ci`](https://github.com/Silex/docker-emacs/blob/master/27.2/debian/ci/Dockerfile)
 - [`27.2-ci-cask`, `27-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/27.2/debian/ci/cask/Dockerfile)
 - [`27.2-ci-eldev`, `27-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/27.2/debian/ci/eldev/Dockerfile)
 - [`27.2-ci-keg`, `27-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/27.2/debian/ci/keg/Dockerfile)
 - [`27.2-alpine`, `27-alpine`](https://github.com/Silex/docker-emacs/blob/master/27.2/alpine/Dockerfile)
-- [`27.2-alpine-dev`, `27-alpine-dev`](https://github.com/Silex/docker-emacs/blob/master/27.2/alpine/dev/Dockerfile)
 - [`27.2-alpine-ci`, `27-alpine-ci`](https://github.com/Silex/docker-emacs/blob/master/27.2/alpine/ci/Dockerfile)
 - [`27.2-alpine-ci-cask`, `27-alpine-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/27.2/alpine/ci/cask/Dockerfile)
 - [`27.2-alpine-ci-eldev`, `27-alpine-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/27.2/alpine/ci/eldev/Dockerfile)
 - [`27.2-alpine-ci-keg`, `27-alpine-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/27.2/alpine/ci/keg/Dockerfile)
 - [`26.3`, `26`](https://github.com/Silex/docker-emacs/blob/master/26.3/debian/Dockerfile)
-- [`26.3-dev`, `26-dev`](https://github.com/Silex/docker-emacs/blob/master/26.3/debian/dev/Dockerfile)
 - [`26.3-ci`, `26-ci`](https://github.com/Silex/docker-emacs/blob/master/26.3/debian/ci/Dockerfile)
 - [`26.3-ci-cask`, `26-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/26.3/debian/ci/cask/Dockerfile)
 - [`26.3-ci-eldev`, `26-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/26.3/debian/ci/eldev/Dockerfile)
 - [`26.3-ci-keg`, `26-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/26.3/debian/ci/keg/Dockerfile)
 - [`26.3-alpine`, `26-alpine`](https://github.com/Silex/docker-emacs/blob/master/26.3/alpine/Dockerfile)
-- [`26.3-alpine-dev`, `26-alpine-dev`](https://github.com/Silex/docker-emacs/blob/master/26.3/alpine/dev/Dockerfile)
 - [`26.3-alpine-ci`, `26-alpine-ci`](https://github.com/Silex/docker-emacs/blob/master/26.3/alpine/ci/Dockerfile)
 - [`26.3-alpine-ci-cask`, `26-alpine-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/26.3/alpine/ci/cask/Dockerfile)
 - [`26.3-alpine-ci-eldev`, `26-alpine-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/26.3/alpine/ci/eldev/Dockerfile)
 - [`26.3-alpine-ci-keg`, `26-alpine-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/26.3/alpine/ci/keg/Dockerfile)
 - [`25.3`, `25`](https://github.com/Silex/docker-emacs/blob/master/25.3/debian/Dockerfile)
-- [`25.3-dev`, `25-dev`](https://github.com/Silex/docker-emacs/blob/master/25.3/debian/dev/Dockerfile)
 - [`25.3-ci`, `25-ci`](https://github.com/Silex/docker-emacs/blob/master/25.3/debian/ci/Dockerfile)
 - [`25.3-ci-cask`, `25-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/25.3/debian/ci/cask/Dockerfile)
 - [`25.3-ci-eldev`, `25-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/25.3/debian/ci/eldev/Dockerfile)
 - [`25.3-ci-keg`, `25-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/25.3/debian/ci/keg/Dockerfile)
 - [`25.3-alpine`, `25-alpine`](https://github.com/Silex/docker-emacs/blob/master/25.3/alpine/Dockerfile)
-- [`25.3-alpine-dev`, `25-alpine-dev`](https://github.com/Silex/docker-emacs/blob/master/25.3/alpine/dev/Dockerfile)
 - [`25.3-alpine-ci`](https://github.com/Silex/docker-emacs/blob/master/25.3/alpine/ci/Dockerfile)
 - [`25.3-alpine-ci-cask`](https://github.com/Silex/docker-emacs/blob/master/25.3/alpine/ci/cask/Dockerfile)
 - [`25.3-alpine-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/25.3/alpine/ci/eldev/Dockerfile)
 - [`25.3-alpine-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/25.3/alpine/ci/keg/Dockerfile)
 - [`24.5`, `24`](https://github.com/Silex/docker-emacs/blob/master/24.5/debian/Dockerfile)
-- [`24.5-dev`, `24-dev`](https://github.com/Silex/docker-emacs/blob/master/24.5/debian/dev/Dockerfile)
 - [`24.5-ci`, `24-ci`](https://github.com/Silex/docker-emacs/blob/master/24.5/debian/ci/Dockerfile)
 - [`24.5-ci-eldev`, `24-ci-eldev`](https://github.com/Silex/docker-emacs/blob/master/24.5/debian/ci/eldev/Dockerfile)
 - [`24.5-ci-keg`, `24-ci-keg`](https://github.com/Silex/docker-emacs/blob/master/24.5/debian/ci/keg/Dockerfile)
 - [`23.4`, `23`](https://github.com/Silex/docker-emacs/blob/master/23.4/debian/Dockerfile)
-- [`23.4-dev`, `23-dev`](https://github.com/Silex/docker-emacs/blob/master/23.4/debian/Dockerfile)
 - [`23.4-ci`, `23-ci`](https://github.com/Silex/docker-emacs/blob/master/23.4/debian/Dockerfile)
 
 # Usage

diff --git a/images.yml b/images.yml
@@ -2,11 +2,6 @@
 - tags: [master]
   version: master
   template: debian
-- tags: [master-dev]
-  version: master
-  branch: master
-  template: debian/dev
-  depends: master
 - tags: [master-ci]
   version: master
   template: debian/ci
@@ -27,11 +22,6 @@
 - tags: [master-alpine]
   version: master
   template: alpine
-- tags: [master-alpine-dev]
-  version: master
-  branch: master
-  template: alpine/dev
-  depends: master-alpine
 - tags: [master-alpine-ci]
   version: master
   template: alpine/ci
@@ -52,11 +42,6 @@
 - tags: [28.2, 28, latest]
   version: 28.2
   template: debian
-- tags: [28.2-dev, 28-dev, dev]
-  version: 28.2
-  branch: emacs-28.2
-  template: debian/dev
-  depends: 28.2
 - tags: [28.2-ci, 28-ci, ci]
   version: 28.2
   template: debian/ci
@@ -77,11 +62,6 @@
 - tags: [28.2-alpine, 28-alpine, alpine]
   version: 28.2
   template: alpine
-- tags: [28.2-alpine-dev, 28-alpine-dev, alpine-dev]
-  version: 28.2
-  branch: emacs-28.2
-  template: alpine/dev
-  depends: 28.2-alpine
 - tags: [28.2-alpine-ci, 28-alpine-ci, alpine-ci]
   version: 28.2
   template: alpine/ci
@@ -102,11 +82,6 @@
 - tags: [28.1]
   version: 28.1
   template: debian
-- tags: [28.1-dev]
-  version: 28.1
-  branch: emacs-28.1
-  template: debian/dev
-  depends: 28.1
 - tags: [28.1-ci]
   version: 28.1
   template: debian/ci
@@ -127,11 +102,6 @@
 - tags: [28.1-alpine]
   version: 28.1
   template: alpine
-- tags: [28.1-alpine-dev]
-  version: 28.1
-  branch: emacs-28.1
-  template: alpine/dev
-  depends: 28.1-alpine
 - tags: [28.1-alpine-ci]
   version: 28.1
   template: alpine/ci
@@ -152,11 +122,6 @@
 - tags: [27.2, 27]
   version: 27.2
   template: debian
-- tags: [27.2-dev, 27-dev]
-  version: 27.2
-  branch: emacs-27.2
-  template: debian/dev
-  depends: 27.2
 - tags: [27.2-ci, 27-ci]
   version: 27.2
   template: debian/ci
@@ -177,11 +142,6 @@
 - tags: [27.2-alpine, 27-alpine]
   version: 27.2
   template: alpine
-- tags: [27.2-alpine-dev, 27-alpine-dev]
-  version: 27.2
-  branch: emacs-27.2
-  template: alpine/dev
-  depends: 27.2-alpine
 - tags: [27.2-alpine-ci, 27-alpine-ci]
   version: 27.2
   template: alpine/ci
@@ -202,11 +162,6 @@
 - tags: [26.3, 26]
   version: 26.3
   template: debian
-- tags: [26.3-dev, 26-dev]
-  version: 26.3
-  branch: emacs-26.3
-  template: debian/dev
-  depends: 26.3
 - tags: [26.3-ci, 26-ci]
   version: 26.3
   template: debian/ci
@@ -227,11 +182,6 @@
 - tags: [26.3-alpine, 26-alpine]
   version: 26.3
   template: alpine
-- tags: [26.3-alpine-dev, 26-alpine-dev]
-  version: 26.3
-  branch: emacs-26.3
-  template: alpine/dev
-  depends: 26.3-alpine
 - tags: [26.3-alpine-ci, 26-alpine-ci]
   version: 26.3
   template: alpine/ci
@@ -252,11 +202,6 @@
 - tags: [25.3, 25]
   version: 25.3
   template: debian
-- tags: [25.3-dev, 25-dev]
-  version: 25.3
-  branch: emacs-25.3
-  template: debian/dev
-  depends: 25.3
 - tags: [25.3-ci, 25-ci]
   version: 25.3
   template: debian/ci
@@ -277,11 +222,6 @@
 - tags: [25.3-alpine, 25-alpine]
   version: 25.3
   template: alpine
-- tags: [25.3-alpine-dev, 25-alpine-dev]
-  version: 25.3
-  branch: emacs-25.3
-  template: alpine/dev
-  depends: 25.3-alpine
 - tags: [25.3-alpine-ci]
   version: 25.3
   template: alpine/ci
@@ -302,11 +242,6 @@
 - tags: [24.5, 24]
   version: 24.5
   template: debian
-- tags: [24.5-dev, 24-dev]
-  version: 24.5
-  branch: emacs-24.5
-  template: debian/dev
-  depends: 24.5
 - tags: [24.5-ci, 24-ci]
   version: 24.5
   template: debian/ci
@@ -323,11 +258,6 @@
 - tags: [23.4, 23]
   version: 23.4
   template: debian
-- tags: [23.4-dev, 23-dev]
-  version: 23.4
-  branch: emacs-23.4
-  template: debian
-  depends: 23.4
 - tags: [23.4-ci, 23-ci]
   version: 23.4
   template: debian

diff --git a/master/alpine/dev/Dockerfile b/master/alpine/dev/Dockerfile
diff --git a/master/debian/dev/Dockerfile b/master/debian/dev/Dockerfile
diff --git a/templates/README.md b/templates/README.md
@@ -9,13 +9,11 @@ Run Emacs in docker containers!
 | OS                                | Tag                      | Size (MB) | Inherits from      | Contents                                                              |
 |-----------------------------------|--------------------------|-----------|--------------------|-----------------------------------------------------------------------|
 | [debian](https://debian.org)      | $version                 |       450 |                    | Emacs, curl, gnupg & imagemagick                                      |
-| [debian](https://debian.org)      | $version-dev             |      1400 | $version           | All build dependencies & source in `/opt/emacs`                       |
 | [debian](https://debian.org)      | $version-ci              |       480 | $version           | [git](https://git-scm.com) & make                                     |
 | [debian](https://debian.org)      | $version-ci-cask         |       520 | $version-ci        | [Cask](https://caskreadthedocs.io) & [Python](https://www.python.org) |
 | [debian](https://debian.org)      | $version-ci-eldev        |       480 | $version-ci        | [eldev](https://github.com/doublep/eldev)                             |
 | [debian](https://debian.org)      | $version-ci-keg          |       480 | $version-ci        | [keg](https://github.com/conao3/keg.el)                                |
 | [alpine](https://alpinelinux.org) | $version-alpine          |       220 |                    | Emacs, curl, gnupg & imagemagick                                      |
-| [alpine](https://alpinelinux.org) | $version-alpine-dev      |      1200 | $version-alpine    | All build dependencies & source in `/opt/emacs`                       |
 | [alpine](https://alpinelinux.org) | $version-alpine-ci       |       240 | $version-alpine    | [git](https://git-scm.com) & make                                     |
 | [alpine](https://alpinelinux.org) | $version-alpine-ci-cask  |       280 | $version-alpine-ci | [Cask](https://caskreadthedocs.io) & [Python](https://www.python.org) |
 | [alpine](https://alpinelinux.org) | $version-alpine-ci-eldev |       240 | $version-alpine-ci | [eldev](https://github.com/doublep/eldev)                             |

diff --git a/templates/alpine/dev/Dockerfile b/templates/alpine/dev/Dockerfile
diff --git a/templates/debian/dev/Dockerfile b/templates/debian/dev/Dockerfile