diff --git a/tests/run_coding_standards_check.sh b/tests/run_coding_standards_check.sh
index ccf99ef..7fdcde9 100755
--- a/tests/run_coding_standards_check.sh
+++ b/tests/run_coding_standards_check.sh
@@ -118,21 +118,12 @@ if [[ "${?}" -ne 0 ]]; then
     errors+=("found PHP_CodeSniffer coding standard violation(s)")
 fi
 
-# TODO: Remove this workaround that only runs php-cs-fixer on PHP < 8.4 when
-# php-cs-fixer supports PHP 8.4.
-# https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/pull/8300
-if [[ $(echo "${CI_PHP_VERSION} < 8.4" | bc -l) -eq 1 ]]; then
-
-    # Run PHP-CS-Fixer.
-    vendor/bin/php-cs-fixer --version
-    vendor/bin/php-cs-fixer fix --ansi --config="tests/.php-cs-fixer.php" --diff --dry-run
-    if [[ "${?}" -ne 0 ]]; then
-        echo "❌ Error: found PHP-CS-Fixer coding standard violation(s)"
-        errors+=("found PHP-CS-Fixer coding standard violation(s)")
-    fi
-else
-    echo "⚠️ Skipped running PHP-CS-Fixer coding standards check"
-    warnings+=("Skipped running PHP-CS-Fixer coding standards check")
+# Run PHP-CS-Fixer.
+vendor/bin/php-cs-fixer --version
+vendor/bin/php-cs-fixer fix --ansi --config="tests/.php-cs-fixer.php" --diff --dry-run
+if [[ "${?}" -ne 0 ]]; then
+    echo "❌ Error: found PHP-CS-Fixer coding standard violation(s)"
+    errors+=("found PHP-CS-Fixer coding standard violation(s)")
 fi
 
 popd