diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
deleted file mode 100644
index 74b9ec3..0000000
--- a/.github/workflows/pre-commit.yml
+++ /dev/null
@@ -1,15 +0,0 @@
----
-name: pre-commit
-
-on:
-  pull_request:
-  push:
-    branches: [main]
-
-jobs:
-  pre-commit:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-      - uses: pre-commit/action@v3.0.0
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
deleted file mode 100644
index 63fae1b..0000000
--- a/.pre-commit-config.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
----
-repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.5.0
-    hooks:
-      - id: check-json
-      - id: check-symlinks
-      - id: check-yaml
-      - id: end-of-file-fixer
-      - id: trailing-whitespace
-        args: [--markdown-linebreak-ext=md]
-
-  - repo: local
-    hooks:
-      - id: forbidden-file-extensions
-        name: forbidden-file-extensions
-        entry: disallow these file extensions
-        language: fail
-        # Disallow other asciidoc extensions except .adoc
-        files: .*\.(asciidoc|asc)$
-
-  - repo: https://github.com/jumanjihouse/pre-commit-hook-yamlfmt
-    rev: 0.2.3
-    hooks:
-      - id: yamlfmt
-        args: [--mapping, '2', --sequence, '4', --offset, '2']
diff --git a/dependencies/Gemfile b/dependencies/Gemfile
deleted file mode 100644
index 8cf7a50..0000000
--- a/dependencies/Gemfile
+++ /dev/null
@@ -1,14 +0,0 @@
-source 'https://rubygems.org'
-gem 'asciidoctor'
-gem 'asciidoctor-bibtex'
-gem 'asciidoctor-diagram'
-gem 'asciidoctor-mathematical'
-gem 'asciidoctor-pdf'
-gem 'citeproc-ruby'
-gem 'coderay'
-gem 'csl-styles'
-gem 'json'
-gem 'pygments.rb'
-gem 'rghost'
-gem 'rouge'
-gem 'ruby_dev'
diff --git a/dependencies/README.md b/dependencies/README.md
deleted file mode 100644
index f64a366..0000000
--- a/dependencies/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-Dependencies for the build environment for various package managers.  Used in
-`.github/workflows/`.
diff --git a/dependencies/apt_packages.txt b/dependencies/apt_packages.txt
deleted file mode 100644
index 6ddd571..0000000
--- a/dependencies/apt_packages.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-bison
-build-essential
-python3-pip
-cmake
-curl
-flex
-fonts-lyx
-git
-graphviz
-default-jre
-libcairo2-dev
-libffi-dev
-libgdk-pixbuf2.0-dev
-libpango1.0-dev
-libxml2-dev
-libglib2.0-dev
-make
-pkg-config
-ruby
-ruby-dev
-libgif-dev
-libwebp-dev
-libzstd-dev
-ruby-full
-gem
-npm
-texlive-latex-base
-texlive-fonts-recommended
-texlive-fonts-extra
-texlive-latex-extra
-texlive-science
diff --git a/dependencies/package.json b/dependencies/package.json
deleted file mode 100644
index 7347d43..0000000
--- a/dependencies/package.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "dependencies": {
-    "bytefield-svg": "^1.8.0",
-    "wavedrom-cli": "^2.6.8"
-  },
-  "name": "local",
-  "version": "0.0.1"
-}