diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ffea44c..2bdb67c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -85,7 +85,6 @@ jobs:
       fail-fast: false
       matrix:
         command:
-          - sniffer
           - fixer
           - stan
         php-version:
@@ -120,7 +119,7 @@ jobs:
 
       - name: Install development tools
         run: |
-          phive --no-progress install --trust-gpg-keys BBAB5DF0A0D6672989CF1869E82B2FB314E9906E,95DE904AB800754A11D80B605E6DDE998AB73B8E
+          phive --no-progress install --trust-gpg-keys BBAB5DF0A0D6672989CF1869E82B2FB314E9906E
 
       - name: Run Command
         run: composer ci:php:${{ matrix.command }}
diff --git a/.phive/phars.xml b/.phive/phars.xml
index 52fc28a2..3d509be9 100644
--- a/.phive/phars.xml
+++ b/.phive/phars.xml
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
   <phar name="php-cs-fixer" version="^3.49.0" installed="3.49.0" location="./.phive/php-cs-fixer.phar" copy="false"/>
-  <phar name="phpcbf" version="^3.8.1" installed="3.8.1" location="./.phive/phpcbf.phar" copy="false"/>
-  <phar name="phpcs" version="^3.8.1" installed="3.8.1" location="./.phive/phpcs.phar" copy="false"/>
 </phive>
diff --git a/composer.json b/composer.json
index aecc41dd..a8e4d70d 100644
--- a/composer.json
+++ b/composer.json
@@ -65,30 +65,24 @@
             "@ci:static"
         ],
         "ci:php:fixer": "@php ./.phive/php-cs-fixer.phar --config=config/php-cs-fixer.php fix --dry-run -v --show-progress=dots bin src tests",
-        "ci:php:sniffer": "@php ./.phive/phpcs.phar --standard=config/phpcs.xml bin src tests",
         "ci:php:stan": "phpstan --no-progress --configuration=config/phpstan.neon",
         "ci:static": [
             "@ci:php:fixer",
-            "@ci:php:sniffer",
             "@ci:php:stan"
         ],
         "fix:php": [
-            "@fix:php:fixer",
-            "@fix:php:sniffer"
+            "@fix:php:fixer"
         ],
         "fix:php:fixer": "@php ./.phive/php-cs-fixer.phar --config=config/php-cs-fixer.php fix bin src tests",
-        "fix:php:sniffer": "@php ./.phive/phpcbf.phar --standard=config/phpcs.xml bin src tests",
         "phpstan:baseline": "phpstan --configuration=config/phpstan.neon --generate-baseline=config/phpstan-baseline.neon"
     },
     "scripts-descriptions": {
         "ci": "Runs all dynamic and static code checks (i.e. currently, only the static checks).",
         "ci:php:fixer": "Checks the code style with PHP CS Fixer.",
-        "ci:php:sniffer": "Checks the code style with PHP_CodeSniffer.",
         "ci:php:stan": "Checks the types with PHPStan.",
         "ci:static": "Runs all static code analysis checks for the code.",
         "fix:php": "Autofixes all autofixable issues in the PHP code.",
         "fix:php:fixer": "Fixes autofixable issues found by PHP CS Fixer.",
-        "fix:php:sniffer": "Fixes autofixable issues found by PHP_CodeSniffer.",
         "phpstand:baseline": "Updates the PHPStan baseline file to match the code."
     }
 }
diff --git a/config/phpcs.xml b/config/phpcs.xml
deleted file mode 100644
index 14473bb2..00000000
--- a/config/phpcs.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ruleset name="phpList Coding Standard">
-    <description>
-        This standard requires PHP_CodeSniffer >= 3.6.0.
-    </description>
-
-    <arg name="colors"/>
-    <arg name="extensions" value="php"/>
-
-    <!-- The complete PSR-12 ruleset -->
-    <rule ref="PSR12">
-        <!-- Exclude a rule that requires PHP >= 7.1. -->
-        <exclude name="PSR12.Properties.ConstantVisibility"/>
-    </rule>
-
-    <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
-</ruleset>