diff --git a/control/src/drv/backup.cpp b/control/src/drv/backup.cpp
deleted file mode 100644
index 51c6f06..0000000
--- a/control/src/drv/backup.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-
-void USART::writeByte(uint8_t b)
-{
-    int sent = write(file_desc, &b, 1);
-    if (sent != 1)
-    {
-        std::cout << "WARNUNG: Fehler beim Senden (" << sent << "): writeByte(), wiederhole..." << std::endl;
-        usleep(100000);
-        sent = write(file_desc, &b, 1);
-        if (sent != 1)
-            throw USARTException("Fehler beim Senden: writeByte()");
-    }
-
-}
-
-void USART::writeInt(uint16_t d)
-{
-    int sent = write(file_desc, reinterpret_cast<char *>(&d), 2);
-    if (sent != 2)
-        throw USARTException("Fehler beim Senden: writeInt()");
-}
-
-void USART::writeU32(uint32_t w)
-{
-    int sent = write(file_desc, reinterpret_cast<char *>(&w), 4);
-    if (sent != 4)
-        throw USARTException("Fehler beim Senden: writeU32()");
-}
-
-uint8_t USART::readByte(void)
-{
-    char b;
-    auto start = std::chrono::steady_clock::now();
-    auto end = start;
-    uint16_t elapsed = 0;
-    while (elapsed < timeout * 100)
-    {
-        int code = read(file_desc, &b, 1);
-        if (code > 0)
-            return static_cast<uint8_t>(b);
-
-        end = std::chrono::steady_clock::now();
-        elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count();
-    }
-
-    throw TimeoutException("Verbindung unterbrochen.", timeout);
-}
-
-uint16_t USART::readInt(void)
-{
-    return readByte() | readByte() << 8;
-}