diff --git a/src/grovescam/grovescam.h b/src/grovescam/grovescam.h
index 052cdba3..82fff7d8 100644
--- a/src/grovescam/grovescam.h
+++ b/src/grovescam/grovescam.h
@@ -181,7 +181,6 @@ namespace upm {
 
   protected:
     int ttyFd() { return m_ttyFd; };
-    int setTtyFd(int fd) { m_ttyFd = fd; };
 
   private:
     mraa_uart_context m_uart;