diff --git a/.github/workflows/_test-matrix.yml b/.github/workflows/_test-matrix.yml
index cf1c59cfe..4c7f941d5 100644
--- a/.github/workflows/_test-matrix.yml
+++ b/.github/workflows/_test-matrix.yml
@@ -8,9 +8,6 @@ on:
         required: false
         type: boolean
         default: false
-    secrets:
-      CODECOV_TOKEN:
-        required: false
 
 permissions:
   contents: read
@@ -66,15 +63,6 @@ jobs:
         if: matrix.ruby-version == '4.0' && matrix.rails-version == 'rails-8.1'
         run: bundle exec appraisal ${{ matrix.rails-version }} bin/rspec-queue
 
-      - name: Upload coverage to Codecov
-        if: matrix.ruby-version == '4.0' && matrix.rails-version == 'rails-8.1'
-        uses: codecov/codecov-action@v5
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          files: ./coverage/coverage.xml
-          fail_ci_if_error: false
-
       - name: Run the test suite with Faraday v1
         if: matrix.ruby-version != '4.0'
         run: |
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
deleted file mode 100644
index 4d16c724f..000000000
--- a/.github/workflows/docs.yml
+++ /dev/null
@@ -1,124 +0,0 @@
-name: Deploy docs
-
-on:
-  push:
-    branches: [main]
-    paths:
-      - 'docs/**'
-      - 'lib/tasks/models.rake'
-      - '.github/workflows/docs.yml'
-  workflow_dispatch:
-
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-concurrency:
-  group: "pages"
-  cancel-in-progress: false
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v6
-        with:
-          fetch-depth: 0 # build-versions.sh needs full history to reach the frozen 1.x docs commit
-
-      - name: Setup Ruby for models guide generation (root Gemfile)
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '3.3'
-          bundler-cache: true
-
-      - name: Run models:docs rake task
-        run: bundle exec rake models:docs
-
-      - name: Install OG image system dependencies (only if missing)
-        run: |
-          packages=()
-
-          if command -v vips >/dev/null 2>&1; then
-            echo "libvips already available: $(vips --version)"
-          else
-            packages+=(libvips)
-          fi
-
-          if fc-list | grep -qi inter; then
-            echo "Inter fonts already available"
-          else
-            packages+=(fonts-inter fonts-inter-variable)
-          fi
-
-          if [ ${#packages[@]} -gt 0 ]; then
-            echo "Installing apt packages: ${packages[*]}"
-            sudo apt-get update -qq
-            sudo apt-get install -y --no-install-recommends "${packages[@]}"
-          else
-            echo "No apt packages needed"
-          fi
-
-      - name: Cache fonts
-        uses: actions/cache@v5
-        id: cache-fonts
-        with:
-          path: |
-            /usr/share/fonts/truetype/plus-jakarta-sans
-            ~/.cache/fontconfig
-          key: ${{ runner.os }}-fonts-v2
-          restore-keys: |
-            ${{ runner.os }}-fonts-
-
-      - name: Install Plus Jakarta Sans for OG image generation
-        run: |
-          if [ "${{ steps.cache-fonts.outputs.cache-hit }}" != "true" ]; then
-            echo "Installing Plus Jakarta Sans..."
-            wget -q https://github.com/tokotype/PlusJakartaSans/archive/refs/heads/master.zip -O PlusJakartaSans.zip
-            unzip -q PlusJakartaSans.zip
-            sudo mkdir -p /usr/share/fonts/truetype/plus-jakarta-sans
-            sudo cp PlusJakartaSans-master/fonts/ttf/*.ttf /usr/share/fonts/truetype/plus-jakarta-sans/
-            rm -rf PlusJakartaSans.zip PlusJakartaSans-master
-          else
-            echo "Plus Jakarta Sans cached"
-          fi
-          # Always update font cache
-          sudo fc-cache -fv
-          # Verify fonts are installed
-          echo "Verifying fonts:"
-          fc-list | grep -i inter || echo "Inter font not found"
-          fc-list | grep -i jakarta || echo "Plus Jakarta Sans not found"
-
-      - name: Setup Ruby for Jekyll build (docs Gemfile)
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '3.3'
-          bundler-cache: true
-          working-directory: docs
-          cache-version: 3
-      - name: Setup Pages
-        id: pages
-        uses: actions/configure-pages@v5
-
-      - name: Build versioned docs (1.x at /, 2.0 dev at /next/)
-        run: docs/bin/build-versions.sh
-        env:
-          JEKYLL_ENV: production
-          BASE: ${{ steps.pages.outputs.base_path }}
-
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
-        with:
-          path: docs/_site
-
-  deploy:
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index de0ea96cf..d73a13ab1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -88,23 +88,3 @@ jobs:
         env:
           GEM_HOST_API_KEY: "Bearer ${{ secrets.GITHUB_TOKEN }}"
           OWNER: ${{ github.repository_owner }}
-
-      - name: Publish to RubyGems
-        if: steps.check_version.outputs.version_changed == 'true'
-        run: |
-          mkdir -p $HOME/.gem
-          touch $HOME/.gem/credentials
-          chmod 0600 $HOME/.gem/credentials
-          printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
-          gem build *.gemspec
-          output=$(gem push *.gem 2>&1) || {
-            echo "$output"
-            if echo "$output" | grep -q "Repushing of gem versions is not allowed"; then
-              echo "Version already exists, skipping"
-              exit 0
-            else
-              exit 1
-            fi
-          }
-        env:
-          GEM_HOST_API_KEY: "${{ secrets.RUBYGEMS_AUTH_TOKEN }}"
diff --git a/Gemfile b/Gemfile
index 89356336e..12562db25 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,6 +21,8 @@ group :development do # rubocop:disable Metrics/BlockLength
   gem 'pry', '>= 0.14'
   gem 'rails'
   gem 'rake', '>= 13.0'
+  # rdoc >= 8 depends on rbs, whose native extension doesn't build on JRuby
+  gem 'rdoc', '< 8'
   gem 'reline'
   gem 'rspec', '~> 3.12'
   gem 'rubocop', '>= 1.0'
diff --git a/gemfiles/rails_7.1.gemfile b/gemfiles/rails_7.1.gemfile
index 9f306e288..a2ca98c04 100644
--- a/gemfiles/rails_7.1.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -19,6 +19,7 @@ group :development do
   gem "pry", ">= 0.14"
   gem "rails", "~> 7.1.0"
   gem "rake", ">= 13.0"
+  gem "rdoc", "< 8"
   gem "reline"
   gem "rspec", "~> 3.12"
   gem "rubocop", ">= 1.0"
diff --git a/gemfiles/rails_7.2.gemfile b/gemfiles/rails_7.2.gemfile
index 8556ef881..417f4e106 100644
--- a/gemfiles/rails_7.2.gemfile
+++ b/gemfiles/rails_7.2.gemfile
@@ -19,6 +19,7 @@ group :development do
   gem "pry", ">= 0.14"
   gem "rails", "~> 7.2.0"
   gem "rake", ">= 13.0"
+  gem "rdoc", "< 8"
   gem "reline"
   gem "rspec", "~> 3.12"
   gem "rubocop", ">= 1.0"
diff --git a/gemfiles/rails_8.0.gemfile b/gemfiles/rails_8.0.gemfile
index bca7946d6..a65a19eae 100644
--- a/gemfiles/rails_8.0.gemfile
+++ b/gemfiles/rails_8.0.gemfile
@@ -19,6 +19,7 @@ group :development do
   gem "pry", ">= 0.14"
   gem "rails", "~> 8.0.0"
   gem "rake", ">= 13.0"
+  gem "rdoc", "< 8"
   gem "reline"
   gem "rspec", "~> 3.12"
   gem "rubocop", ">= 1.0"
diff --git a/gemfiles/rails_8.1.gemfile b/gemfiles/rails_8.1.gemfile
index 49874b827..dfc68ea8a 100644
--- a/gemfiles/rails_8.1.gemfile
+++ b/gemfiles/rails_8.1.gemfile
@@ -19,6 +19,7 @@ group :development do
   gem "pry", ">= 0.14"
   gem "rails", "~> 8.1.0"
   gem "rake", ">= 13.0"
+  gem "rdoc", "< 8"
   gem "reline"
   gem "rspec", "~> 3.12"
   gem "rubocop", ">= 1.0"