diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index d92e2a39..5c670091 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -40,18 +40,3 @@ jobs:
             .
             .github
             .vscode
-
-  yamlfmt:
-    timeout-minutes: 15
-    runs-on: ubuntu-24.04
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install mise
-        run: |
-          curl https://mise.jdx.dev/install.sh | sh
-          echo "$HOME/.local/share/mise/bin" >> $GITHUB_PATH
-          echo "$HOME/.local/share/mise/shims" >> $GITHUB_PATH
-      - name: Install yamlfmt
-        # TODO: Apply selfup after https://github.com/google/yamlfmt/pull/180
-        run: mise use -g yamlfmt@0.12.1
-      - run: yamlfmt -lint .
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index c4e8e6f9..280fae58 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -6,7 +6,6 @@
     "soutaro.steep-vscode",
     "soutaro.rbs-syntax",
     "dprint.dprint",
-    "kachick.vscode-yamlfmt",
     "rubocop.vscode-rubocop",
     "jnoortheen.nix-ide"
   ]
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 97cd279f..30cd524d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,12 +4,6 @@
   "[ruby]": {
     "editor.defaultFormatter": "rubocop.vscode-rubocop"
   },
-  "[yaml]": {
-    "editor.defaultFormatter": "kachick.vscode-yamlfmt"
-  },
-  "[github-actions-workflow]": {
-    "editor.defaultFormatter": "kachick.vscode-yamlfmt"
-  },
   "[nix]": {
     "editor.defaultFormatter": "jnoortheen.nix-ide"
   },
diff --git a/Rakefile b/Rakefile
index 311d24f4..fa1b52b5 100644
--- a/Rakefile
+++ b/Rakefile
@@ -134,14 +134,12 @@ task :deps do
   sh('dprint --version')
   sh('tree --version')
   sh('typos --version')
-  sh('yamlfmt -version')
 end
 
 desc 'Tests except ruby'
 task :check_non_ruby do
   Rake::Task['dprint'].invoke
   sh('typos . .github .vscode')
-  sh('yamlfmt -lint .')
   # nix fmt doesn't have check: https://github.com/NixOS/nix/issues/6918
   sh("git ls-files '*.nix' | xargs nixfmt --check")
 end
diff --git a/dprint.json b/dprint.json
index ddf4b9f2..59e34168 100644
--- a/dprint.json
+++ b/dprint.json
@@ -3,6 +3,10 @@
   },
   "markdown": {
   },
+  "yaml": {
+    "quotes": "preferSingle",
+    "trimTrailingWhitespaces": false
+  },
   "excludes": [
     ".git",
     "**/*lock.json",
@@ -13,6 +17,7 @@
   ],
   "plugins": [
     "https://plugins.dprint.dev/json-0.19.1.wasm",
-    "https://plugins.dprint.dev/markdown-0.16.3.wasm"
+    "https://plugins.dprint.dev/markdown-0.16.3.wasm",
+    "https://plugins.dprint.dev/g-plane/pretty_yaml-v0.3.0.wasm"
   ]
 }
diff --git a/flake.nix b/flake.nix
index 181f3b33..69cde513 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,7 +40,6 @@
               nil
               nixfmt-rfc-style
               typos
-              yamlfmt
             ];
           };
 
diff --git a/steep_expectations.yml b/steep_expectations.yml
index dcd024e9..fe925944 100644
--- a/steep_expectations.yml
+++ b/steep_expectations.yml
@@ -1 +1,2 @@
---- []
+---
+[]
diff --git a/yamlfmt.yml b/yamlfmt.yml
deleted file mode 100644
index 0c7d3f90..00000000
--- a/yamlfmt.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-gitignore_excludes: true
-exclude:
-  - 'steep_expectations.yml'
-line_ending: lf
-formatter:
-  type: basic
-  retain_line_breaks_single: true
-  # https://github.com/google/yamlfmt/issues/182
-  scan_folded_as_literal: true