diff --git a/src/test/java/device/usbPlayer/UsbPlayerTest.java b/src/test/java/device/usbPlayer/UsbPlayerTest.java
index bf170fe..2768e73 100644
--- a/src/test/java/device/usbPlayer/UsbPlayerTest.java
+++ b/src/test/java/device/usbPlayer/UsbPlayerTest.java
@@ -10,19 +10,7 @@ class UsbPlayerTest {
     UsbPlayer up = new UsbPlayer();
 
 
-    @Test
-    void louder_test() {
-        up.setLautstaerke(40);
-        up.louder();
-        assertThat(up.getLautstaerke()).isEqualTo(41);
-    }
 
-    @Test
-    void quieter_test() {
-        up.setLautstaerke(40);
-        up.quieter();
-        assertThat(up.getLautstaerke()).isEqualTo(39);
-    }
 /*
     @Test
     void getVolume() {