diff --git a/py3-kms/kmsRequestUnknown.py b/py3-kms/kmsRequestUnknown.py
deleted file mode 100644
index 03e1535..0000000
--- a/py3-kms/kmsRequestUnknown.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python3
-
-import struct
-
-from kmsBase import kmsBase
-
-class kmsRequestUnknown(kmsBase):
-        def executeRequestLogic(self):
-                finalResponse = bytearray()
-                finalResponse.extend(bytearray(struct.pack('<I', 0)))
-                finalResponse.extend(bytearray(struct.pack('<I', 0)))
-                finalResponse.extend(bytearray(struct.pack('<I', self.errorCodes['SL_E_VL_KEY_MANAGEMENT_SERVICE_ID_MISMATCH'])))
-                return finalResponse.decode('utf-8').encode('utf-8')