diff --git a/Source/AudibleUtilities/Widevine/Device.cs b/Source/AudibleUtilities/Widevine/Device.cs
index 6003989e..9fa911c2 100644
--- a/Source/AudibleUtilities/Widevine/Device.cs
+++ b/Source/AudibleUtilities/Widevine/Device.cs
@@ -35,10 +35,6 @@ internal class Device
 
 		if (FileVersion != 2)
 			throw new InvalidDataException($"Unknown CDM File Version: '{FileVersion}'");
-		if (Type != DeviceTypes.Android)
-			throw new InvalidDataException($"Unknown CDM Type: '{Type}'");
-		if (SecurityLevel != 3)
-			throw new InvalidDataException($"Unknown CDM Security Level: '{SecurityLevel}'");
 
 		var privateKeyLength = (fileData[7] << 8) | fileData[8];