diff --git a/src/Mooc/Shared/Infrastructure/Doctrine/DbalTypesSearcher.php b/src/Mooc/Shared/Infrastructure/Doctrine/DbalTypesSearcher.php
index 42c562543..34ec057f4 100644
--- a/src/Mooc/Shared/Infrastructure/Doctrine/DbalTypesSearcher.php
+++ b/src/Mooc/Shared/Infrastructure/Doctrine/DbalTypesSearcher.php
@@ -4,8 +4,6 @@
 
 namespace CodelyTv\Mooc\Shared\Infrastructure\Doctrine;
 
-use CodelyTv\Shared\Domain\Utils;
-
 use function Lambdish\Phunctional\filter;
 use function Lambdish\Phunctional\map;
 use function Lambdish\Phunctional\reduce;
@@ -51,7 +49,7 @@ private static function dbalClassesSearcher(string $contextName): callable
 	{
 		return static function (array $totalNamespaces, string $path) use ($contextName): array {
 			$possibleFiles = scandir($path);
-			$files = filter(static fn (string $file): bool => Utils::endsWith('Type.php', $file), $possibleFiles);
+			$files = filter(static fn (string $file): bool => str_ends_with($file, 'Type.php'), $possibleFiles);
 
 			$namespaces = map(
 				static function (string $file) use ($path, $contextName): string {
diff --git a/src/Shared/Domain/Utils.php b/src/Shared/Domain/Utils.php
index 7939ff26b..a50521eea 100644
--- a/src/Shared/Domain/Utils.php
+++ b/src/Shared/Domain/Utils.php
@@ -6,21 +6,10 @@
 
 use DateTimeImmutable;
 use DateTimeInterface;
-use RuntimeException;
 use function Lambdish\Phunctional\filter;
 
 final class Utils
 {
-	public static function endsWith(string $needle, string $haystack): bool
-	{
-		$length = strlen($needle);
-		if ($length === 0) {
-			return true;
-		}
-
-		return substr($haystack, -$length) === $needle;
-	}
-
 	public static function dateToString(DateTimeInterface $date): string
 	{
 		return $date->format(DateTimeInterface::ATOM);
@@ -38,13 +27,7 @@ public static function jsonEncode(array $values): string
 
 	public static function jsonDecode(string $json): array
 	{
-		$data = json_decode($json, true);
-
-		if (json_last_error() !== JSON_ERROR_NONE) {
-			throw new RuntimeException('Unable to parse response body into JSON: ' . json_last_error());
-		}
-
-		return $data;
+		return json_decode($json, true, flags: JSON_THROW_ON_ERROR);
 	}
 
 	public static function toSnakeCase(string $text): string