diff --git a/tests/ConversionsTest.php b/tests/ConversionsTest.php
index 0e31d29..3aa41bc 100644
--- a/tests/ConversionsTest.php
+++ b/tests/ConversionsTest.php
@@ -8,7 +8,6 @@ require_once __DIR__ . '/../vendor/autoload.php';
 require_once __DIR__ . '/../Conversions/BinaryToDecimal.php';
 require_once __DIR__ . '/../Conversions/OctalToDecimal.php';
 require_once __DIR__ . '/../Conversions/HexadecimalToDecimal.php';
-require_once __DIR__ . '/../Conversions/DecimalToBinary.php';
 
 class ConversionsTest extends TestCase
 {