diff --git a/src/ublox6/ublox6.h b/src/ublox6/ublox6.h
index 9eb57d7f..d98aad36 100644
--- a/src/ublox6/ublox6.h
+++ b/src/ublox6/ublox6.h
@@ -120,7 +120,6 @@ namespace upm {
 
   protected:
     int ttyFd() { return m_ttyFd; };
-    int setTtyFd(int fd) { m_ttyFd = fd; };
 
   private:
     mraa_uart_context m_uart;