diff --git a/.gitattributes b/.gitattributes
index 0499d838..19001f84 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,7 +5,6 @@
 /.phive/ export-ignore
 /CODE_OF_CONDUCT.md export-ignore
 /config/ export-ignore
-/phpcs.xml export-ignore
 /phpunit.xml export-ignore
 /psalm.baseline.xml export-ignore
 /psalm.xml export-ignore
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7d379fe..1160c655 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -126,7 +126,6 @@ jobs:
           - fixer
           - md
           - psalm
-          - sniff
         php-version:
           - '8.2'
 
@@ -159,7 +158,7 @@ jobs:
         run: composer install --no-progress
 
       - name: Install development tools
-        run: phive --no-progress install --trust-gpg-keys 0FDE18AE1D09E19F60F6B1CBC00543248C87FB13,BBAB5DF0A0D6672989CF1869E82B2FB314E9906E,A972B9ABB95D0B760B51442231C7E470E2138192,9882DD2B38813C08EA651B69A4E55EA12C7C085C,2DE50EB60C013FFFA831040D12CE0F1D262429A5
+        run: phive --no-progress install --trust-gpg-keys 0FDE18AE1D09E19F60F6B1CBC00543248C87FB13,BBAB5DF0A0D6672989CF1869E82B2FB314E9906E
 
       - name: Run Command
         run: composer ci:php:${{ matrix.command }}
diff --git a/.phive/phars.xml b/.phive/phars.xml
index 1aaf2e19..77bf00a0 100644
--- a/.phive/phars.xml
+++ b/.phive/phars.xml
@@ -2,7 +2,6 @@
 <phive xmlns="https://phar.io/phive">
   <phar name="composer-normalize" version="^2.36.0" installed="2.36.0" location="./.phive/composer-normalize" copy="false"/>
   <phar name="php-cs-fixer" version="^3.26.1" installed="3.26.1" location="./.phive/php-cs-fixer" copy="false"/>
-  <phar name="phpcs" version="^3.7.2" installed="3.7.2" location="./.phive/phpcs" copy="false"/>
   <phar name="phpmd" version="^2.13.0" installed="2.13.0" location="./.phive/phpmd" copy="false"/>
   <phar name="psalm" version="^5.15.0" installed="5.15.0" location="./.phive/psalm" copy="false"/>
 </phive>
diff --git a/composer.json b/composer.json
index aa2b201a..c51f505e 100644
--- a/composer.json
+++ b/composer.json
@@ -83,11 +83,9 @@
         "ci:php:lint": "\"./vendor/bin/parallel-lint\" config src tests",
         "ci:php:md": "\"./.phive/phpmd\" src text config/phpmd.xml",
         "ci:php:psalm": "\"./.phive/psalm\" --show-info=false",
-        "ci:php:sniff": "\"./.phive/phpcs\" config src tests",
         "ci:static": [
             "@ci:composer:normalize",
             "@ci:php:lint",
-            "@ci:php:sniff",
             "@ci:php:fixer",
             "@ci:php:md",
             "@ci:php:psalm"
@@ -111,7 +109,6 @@
         "ci:php:lint": "Lints the PHP files for syntax errors.",
         "ci:php:md": "Checks the code complexity with PHPMD.",
         "ci:php:psalm": "Checks the types with Psalm.",
-        "ci:php:sniff": "Checks the code style with PHP_CodeSniffer.",
         "ci:static": "Runs all static code analysis checks for the code and the composer.json.",
         "ci:tests": "Runs all dynamic tests (i.e., currently, the unit tests).",
         "ci:tests:sof": "Runs the unit tests and stops at the first failure.",
diff --git a/phpcs.xml b/phpcs.xml
deleted file mode 100644
index c8686e1d..00000000
--- a/phpcs.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ruleset name="Coding Standard">
-  <description>
-    This standard requires PHP_CodeSniffer >= 3.2.0.
-  </description>
-
-  <config name="installed_paths" value="../../slevomat/coding-standard"/>
-
-  <!-- The complete PSR-12 ruleset -->
-  <rule ref="PSR12"/>
-
-  <!-- Arrays -->
-  <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
-  <rule ref="Squiz.Arrays.ArrayBracketSpacing"/>
-  <rule ref="Squiz.Arrays.ArrayDeclaration.NoCommaAfterLast"/>
-
-  <!-- Classes -->
-  <rule ref="Generic.Classes.DuplicateClassName"/>
-  <rule ref="Squiz.Classes.ClassFileName"/>
-  <rule ref="Squiz.Classes.DuplicateProperty"/>
-  <rule ref="Squiz.Classes.LowercaseClassKeywords"/>
-  <rule ref="Squiz.Classes.SelfMemberReference"/>
-
-  <!-- Code analysis -->
-  <rule ref="Generic.CodeAnalysis.EmptyStatement"/>
-  <rule ref="Generic.CodeAnalysis.AssignmentInCondition"/>
-  <rule ref="Generic.CodeAnalysis.ForLoopShouldBeWhileLoop"/>
-  <rule ref="Generic.CodeAnalysis.ForLoopWithTestFunctionCall"/>
-  <rule ref="Generic.CodeAnalysis.JumbledIncrementer"/>
-  <rule ref="Generic.CodeAnalysis.UnconditionalIfStatement"/>
-  <rule ref="Generic.CodeAnalysis.UnnecessaryFinalModifier"/>
-  <rule ref="Generic.CodeAnalysis.UnusedFunctionParameter"/>
-  <rule ref="Generic.CodeAnalysis.UselessOverridingMethod"/>
-
-  <!-- Commenting -->
-  <rule ref="Generic.Commenting.Fixme"/>
-  <rule ref="Generic.Commenting.Todo"/>
-  <rule ref="PEAR.Commenting.InlineComment"/>
-  <rule ref="Squiz.Commenting.DocCommentAlignment"/>
-  <rule ref="Squiz.Commenting.EmptyCatchComment"/>
-  <rule ref="Squiz.Commenting.FunctionComment">
-    <exclude-pattern>*/tests/*</exclude-pattern>
-
-    <!-- Allow no comment for self-describing parameter and exception class names. -->
-    <exclude name="Squiz.Commenting.FunctionComment.MissingParamComment"/>
-    <exclude name="Squiz.Commenting.FunctionComment.EmptyThrows"/>
-    <!-- Allow "int" rather than "integer", etc., in PHPDoc. -->
-    <exclude name="Squiz.Commenting.FunctionComment.IncorrectParamVarName"/>
-    <exclude name="Squiz.Commenting.FunctionComment.InvalidReturn"/>
-    <!-- Allow "@return" to be omitted (for methods which do not return a value). -->
-    <exclude name="Squiz.Commenting.FunctionComment.MissingReturn"/>
-    <!-- Allow parameter type, name and comment not all vertically aligned. -->
-    <exclude name="Squiz.Commenting.FunctionComment.SpacingAfterParamType"/>
-    <exclude name="Squiz.Commenting.FunctionComment.SpacingAfterParamName"/>
-    <!-- Allow parameter and exception descriptions which are not full sentences. -->
-    <exclude name="Squiz.Commenting.FunctionComment.ParamCommentNotCapital"/>
-    <exclude name="Squiz.Commenting.FunctionComment.ParamCommentFullStop"/>
-    <exclude name="Squiz.Commenting.FunctionComment.ThrowsNotCapital"/>
-    <exclude name="Squiz.Commenting.FunctionComment.ThrowsNoFullStop"/>
-    <!-- Allow `object{...}` type hints. -->
-    <exclude name="Squiz.Commenting.FunctionComment.MissingParamTag"/>
-    <exclude name="Squiz.Commenting.FunctionComment.MissingParamName"/>
-    <exclude name="Squiz.Commenting.FunctionComment.IncorrectTypeHint"/>
-  </rule>
-  <rule ref="Squiz.Commenting.FunctionCommentThrowTag">
-    <!-- If we want to document exceptions thrown by called methods for a method that also throws its own
-         exceptions, this sniff simply does not work. -->
-    <exclude name="Squiz.Commenting.FunctionCommentThrowTag.WrongNumber"/>
-  </rule>
-  <rule ref="Squiz.Commenting.PostStatementComment"/>
-
-  <!-- Control structures -->
-  <rule ref="PEAR.ControlStructures.ControlSignature"/>
-
-  <!-- Debug -->
-  <rule ref="Generic.Debug.ClosureLinter"/>
-
-  <!-- Files -->
-  <rule ref="Generic.Files.OneClassPerFile"/>
-  <rule ref="Generic.Files.OneInterfacePerFile"/>
-  <rule ref="Generic.Files.OneObjectStructurePerFile"/>
-  <rule ref="Zend.Files.ClosingTag"/>
-
-  <!-- Formatting -->
-  <rule ref="Generic.Formatting.NoSpaceAfterCast"/>
-  <rule ref="PEAR.Formatting.MultiLineAssignment"/>
-
-  <!-- Functions -->
-  <rule ref="Generic.Functions.CallTimePassByReference"/>
-  <rule ref="Squiz.Functions.FunctionDuplicateArgument"/>
-  <rule ref="Squiz.Functions.GlobalFunction"/>
-
-  <!-- Metrics -->
-  <rule ref="Generic.Metrics.CyclomaticComplexity"/>
-  <rule ref="Generic.Metrics.NestingLevel"/>
-
-  <!-- Naming conventions -->
-  <rule ref="Generic.NamingConventions.ConstructorName"/>
-  <rule ref="PEAR.NamingConventions.ValidClassName"/>
-
-  <!-- Objects -->
-  <rule ref="Squiz.Objects.ObjectMemberComma"/>
-
-  <!-- Operators -->
-  <rule ref="Squiz.Operators.IncrementDecrementUsage"/>
-  <rule ref="Squiz.Operators.ValidLogicalOperators"/>
-
-  <!-- PHP -->
-  <rule ref="Generic.PHP.BacktickOperator"/>
-  <rule ref="Generic.PHP.CharacterBeforePHPOpeningTag"/>
-  <rule ref="Generic.PHP.DeprecatedFunctions"/>
-  <rule ref="Generic.PHP.DisallowAlternativePHPTags"/>
-  <rule ref="Generic.PHP.DisallowShortOpenTag"/>
-  <rule ref="Generic.PHP.DiscourageGoto"/>
-  <rule ref="Generic.PHP.ForbiddenFunctions"/>
-  <rule ref="Generic.PHP.NoSilencedErrors"/>
-  <rule ref="Squiz.PHP.CommentedOutCode">
-    <properties>
-      <property name="maxPercentage" value="70"/>
-    </properties>
-  </rule>
-  <rule ref="Squiz.PHP.DisallowMultipleAssignments"/>
-  <rule ref="Squiz.PHP.DisallowSizeFunctionsInLoops"/>
-  <rule ref="Squiz.PHP.DiscouragedFunctions"/>
-  <rule ref="Squiz.PHP.Eval"/>
-  <rule ref="Squiz.PHP.GlobalKeyword"/>
-  <rule ref="Squiz.PHP.Heredoc"/>
-  <rule ref="Squiz.PHP.InnerFunctions"/>
-  <rule ref="Squiz.PHP.LowercasePHPFunctions"/>
-  <rule ref="Squiz.PHP.NonExecutableCode"/>
-
-  <!-- Scope -->
-  <rule ref="Squiz.Scope.MemberVarScope"/>
-  <rule ref="Squiz.Scope.StaticThisUsage"/>
-
-  <!--Strings-->
-  <rule ref="Squiz.Strings.DoubleQuoteUsage"/>
-
-  <!-- Whitespace -->
-  <rule ref="PEAR.WhiteSpace.ObjectOperatorIndent"/>
-  <rule ref="PEAR.WhiteSpace.ScopeClosingBrace"/>
-  <rule ref="Squiz.WhiteSpace.CastSpacing"/>
-  <rule ref="Squiz.WhiteSpace.LogicalOperatorSpacing"/>
-  <rule ref="Squiz.WhiteSpace.OperatorSpacing">
-    <properties>
-      <property name="ignoreNewlines" value="true"/>
-    </properties>
-  </rule>
-  <rule ref="Squiz.WhiteSpace.PropertyLabelSpacing"/>
-  <rule ref="Squiz.WhiteSpace.SemicolonSpacing"/>
-</ruleset>