diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index 6797d21d..b60c65e8 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -38,3 +38,5 @@ jobs:
     steps:
       - uses: actions/checkout@cd7d8d697e10461458bc61a30d094dc601a8b017
       - uses: articulate/actions-markdownlint@v1
+        with:
+          config: markdownlint.yml
diff --git a/.rultor.yml b/.rultor.yml
index e1542072..c03f1294 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -39,6 +39,5 @@ release:
     sudo docker build --no-cache --tag "${repo}:${tag}" "$(pwd)"
     mkdir /tmp/dataset
     sudo docker run --rm "${repo}:${tag}" make install env lint test
-    cat ../docker-password | \
-      sudo docker login --password-stdin --username yegor256
+    cat ../docker-password | sudo docker login --password-stdin --username yegor256
     sudo docker push "${repo}:${tag}"
diff --git a/Dockerfile b/Dockerfile
index d92dc9c3..bb804fe4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -79,11 +79,9 @@ RUN wget --quiet http://mirror.ctan.org/systems/texlive/tlnet/install-tl.zip \
   && arc=$(find "/usr/local/texlive/${year}/bin" -type d -name "*-linux" -exec basename {} \;) \
   && bin=/usr/local/texlive/${year}/bin/${arc} \
   && export PATH=${PATH}:${bin} \
-  && echo "export PATH=\${PATH}:${bin}" > /etc/profile.d/texlive.sh \
-  && chmod a+x /etc/profile.d/texlive.sh \
   && tlmgr init-usertree \
   && tlmgr install latexmk \
-  && rm -rf install-tl execs.txt
+  && rm -rf install-tl
 
 # Ruby
 RUN apt-get update -y --fix-missing \
diff --git a/action.yml b/action.yml
deleted file mode 100644
index eb8d64de..00000000
--- a/action.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-# MIT License
-#
-# Copyright (c) 2021-2024 Yegor Bugayenko
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
----
-name: cam-action
-description: 'Run full cycle with one repository'
-branding:
-  icon: alert-triangle
-  color: orange
-runs:
-  using: docker
-  image: Dockerfile
-  entrypoint: /bin/bash
-  args:
-    - '--login'
-    - '-c'
-    - >
-        export HOME=/cam;
-        cd ${HOME};
-        . /root/.profile;
-        make install env lint test
diff --git a/markdownlint.yml b/markdownlint.yml
new file mode 100644
index 00000000..404c7144
--- /dev/null
+++ b/markdownlint.yml
@@ -0,0 +1,4 @@
+---
+default: true
+MD013:
+  line_length: 160
\ No newline at end of file