diff --git a/posctl.cc b/posctl.cc
index da8756a..af0a733 100644
--- a/posctl.cc
+++ b/posctl.cc
@@ -906,7 +906,7 @@ int PosCtl::OutputOpen() {
 };
 
 int PosCtl::WriteTTY (char * outbuf) {
-	printf ("%s:%d %s send: '%s'\n", __FILE__, __LINE__, __FUNCTION__, outbuf);
+        //printf ("%s:%d %s send: '%s'\n", __FILE__, __LINE__, __FUNCTION__, outbuf);
 
 #ifdef BUILD_WINDOWS
 	DWORD len;
@@ -949,7 +949,7 @@ int PosCtl::ReadTTY (char * inbuf, int length) {
 	}
 	else {
 	  inbuf[len] = 0;
-	  printf ("%s:%d %s receive: '%s'\n", __FILE__, __LINE__, __FUNCTION__, inbuf);
+	  //printf ("%s:%d %s receive: '%s'\n", __FILE__, __LINE__, __FUNCTION__, inbuf);
 	}
 #else
 	ssize_t len;