diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index 2740c3be1..68de086f4 100644
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -256,8 +256,6 @@ int ft2232_speed(int speed)
 		return retval;
 	}
 
-	jtag_speed = speed;
-	
 	return ERROR_OK;
 }
 
diff --git a/src/jtag/parport.c b/src/jtag/parport.c
index 9a888db74..e56d65c6e 100644
--- a/src/jtag/parport.c
+++ b/src/jtag/parport.c
@@ -258,8 +258,6 @@ void parport_led(int on)
 
 int parport_speed(int speed)
 {
-	jtag_speed = speed;
-	
 	return ERROR_OK;
 }
 
diff --git a/src/jtag/presto.c b/src/jtag/presto.c
index aa82f4133..c031d94b1 100644
--- a/src/jtag/presto.c
+++ b/src/jtag/presto.c
@@ -714,7 +714,6 @@ int presto_jtag_speed(int speed)
 		return ERROR_INVALID_ARGUMENTS;
 	}
 
-	jtag_speed = speed;
 	LOG_INFO("setting speed to %d, max. TCK freq. is %s", speed, presto_speed_text[speed]);
 	return presto_sendbyte(0xA8 | speed);
 }