diff --git a/src/KeithleyDDCProtocol.cpp b/src/KeithleyDDCProtocol.cpp
index a31f583ea274b1cbf8640e96f419174008a1a2ea..5f47c999160d24cda4bb3e0b5d15f0dcac0a755b 100644
--- a/src/KeithleyDDCProtocol.cpp
+++ b/src/KeithleyDDCProtocol.cpp
@@ -398,9 +398,6 @@ std::stringstream cmd_to_send;
 std::string argout("no data");
 
 	//- send command : G0X -> show prefix ( = keithley type )
-	cmd_to_send << "G0X" << std::endl;
-	_communication_link->write(cmd_to_send.str());
-
 	cmd_to_send.str("");
 	//- get status word
 	cmd_to_send << "U1X" << std::endl;
@@ -420,9 +417,6 @@ std::stringstream cmd_to_send;
 std::string argout("no data");
 
 	//- send command : G0X -> show prefix ( = keithley type )
-	cmd_to_send << "G0X" << std::endl;
-	_communication_link->write(cmd_to_send.str());
-
 	cmd_to_send.str("");
 	//- get status word
 	cmd_to_send << "U0X" << std::endl;