diff --git a/WP_CLI_CS/ruleset.xml b/WP_CLI_CS/ruleset.xml
index 1b2da5c98..f3dfadf5b 100644
--- a/WP_CLI_CS/ruleset.xml
+++ b/WP_CLI_CS/ruleset.xml
@@ -84,6 +84,26 @@
 	</rule>
 
 
+	<!--
+	#############################################################################
+	USE THE SLEVOMATCODINGSTANDARD RULESET
+
+	This checks code for unused `use` statements.
+	See: https://github.com/slevomat/coding-standard
+	#############################################################################
+	-->
+
+	<rule ref="SlevomatCodingStandard.Namespaces.UnusedUses">
+		<properties>
+			<property name="searchAnnotations" value="true"/>
+		</properties>
+		<!-- Exclude case-sensitivity check: PHPUnit's @dataProvider annotation uses a
+			 lowercase method name which can cause false positives with the DataProvider
+			 attribute class import (PHPUnit\Framework\Attributes\DataProvider). -->
+		<exclude name="SlevomatCodingStandard.Namespaces.UnusedUses.MismatchingCaseSensitivity"/>
+	</rule>
+
+
 	<!--
 	#############################################################################
 	SPECIFIC CONFIGURATION FOR SNIFFS
diff --git a/composer.json b/composer.json
index 57f53f159..5ef41648d 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,7 @@
         "php-parallel-lint/php-console-highlighter": "^1.0",
         "php-parallel-lint/php-parallel-lint": "^1.3.1",
         "phpcompatibility/php-compatibility": "^10.0",
+        "slevomat/coding-standard": "^7.0 || ^8.0",
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^1.12.26 || ^2.0",
         "phpstan/phpstan-deprecation-rules": "^1.2 || ^2.0",
diff --git a/src/Context/Support.php b/src/Context/Support.php
index cbd843788..c321c6d5f 100644
--- a/src/Context/Support.php
+++ b/src/Context/Support.php
@@ -5,7 +5,6 @@
 
 namespace WP_CLI\Tests\Context;
 
-use Behat\Behat\Exception\PendingException;
 use Exception;
 use Mustangostang\Spyc;
 use SebastianBergmann\Diff\Differ;