diff --git a/usbserial/src/main/java/com/felhr/usbserial/CDCSerialDevice.java b/usbserial/src/main/java/com/felhr/usbserial/CDCSerialDevice.java
index 95ee03d..20651e5 100644
--- a/usbserial/src/main/java/com/felhr/usbserial/CDCSerialDevice.java
+++ b/usbserial/src/main/java/com/felhr/usbserial/CDCSerialDevice.java
@@ -336,10 +336,6 @@ public class CDCSerialDevice extends UsbSerialDevice
             return false;
         }
 
-        // Default Setup
-        setControlCommand(CDC_SET_LINE_CODING, 0, getInitialLineCoding());
-        setControlCommand(CDC_SET_CONTROL_LINE_STATE, CDC_CONTROL_LINE_ON, null);
-
         return true;
     }
 
diff --git a/usbserial/src/main/java/com/felhr/usbserial/CP2102SerialDevice.java b/usbserial/src/main/java/com/felhr/usbserial/CP2102SerialDevice.java
index f4e8be8..6f2d967 100644
--- a/usbserial/src/main/java/com/felhr/usbserial/CP2102SerialDevice.java
+++ b/usbserial/src/main/java/com/felhr/usbserial/CP2102SerialDevice.java
@@ -556,12 +556,6 @@ public class CP2102SerialDevice extends UsbSerialDevice
         // Default Setup
         if(setControlCommand(CP210x_IFC_ENABLE, CP210x_UART_ENABLE, null) < 0)
             return false;
-        setBaudRate(DEFAULT_BAUDRATE);
-        if(setControlCommand(CP210x_SET_LINE_CTL, CP210x_LINE_CTL_DEFAULT,null) < 0)
-            return false;
-        setFlowControl(UsbSerialInterface.FLOW_CONTROL_OFF);
-        if(setControlCommand(CP210x_SET_MHS, CP210x_MHS_DEFAULT, null) < 0)
-            return false;
 
         return true;
     }
diff --git a/usbserial/src/main/java/com/felhr/usbserial/FTDISerialDevice.java b/usbserial/src/main/java/com/felhr/usbserial/FTDISerialDevice.java
index b100c28..324767d 100644
--- a/usbserial/src/main/java/com/felhr/usbserial/FTDISerialDevice.java
+++ b/usbserial/src/main/java/com/felhr/usbserial/FTDISerialDevice.java
@@ -464,17 +464,8 @@ public class FTDISerialDevice extends UsbSerialDevice
         firstTime = true;
         if(setControlCommand(FTDI_SIO_RESET, 0x00, 0, null) < 0)
             return false;
-        if(setControlCommand(FTDI_SIO_SET_DATA, FTDI_SET_DATA_DEFAULT, 0, null) < 0)
-            return false;
+
         currentSioSetData = FTDI_SET_DATA_DEFAULT;
-        if(setControlCommand(FTDI_SIO_MODEM_CTRL, FTDI_SET_MODEM_CTRL_DEFAULT1, 0, null) < 0)
-            return false;
-        if(setControlCommand(FTDI_SIO_MODEM_CTRL, FTDI_SET_MODEM_CTRL_DEFAULT2, 0, null) < 0)
-            return false;
-        if(setControlCommand(FTDI_SIO_SET_FLOW_CTRL, FTDI_SET_FLOW_CTRL_DEFAULT, 0, null) < 0)
-            return false;
-        if(setControlCommand(FTDI_SIO_SET_BAUD_RATE, FTDI_BAUDRATE_9600, 0, null) < 0)
-            return false;
 
         // Flow control disabled by default
         rtsCtsEnabled = false;
diff --git a/usbserial/src/main/java/com/felhr/usbserial/PL2303SerialDevice.java b/usbserial/src/main/java/com/felhr/usbserial/PL2303SerialDevice.java
index 2680f52..bb1e57b 100644
--- a/usbserial/src/main/java/com/felhr/usbserial/PL2303SerialDevice.java
+++ b/usbserial/src/main/java/com/felhr/usbserial/PL2303SerialDevice.java
@@ -365,8 +365,7 @@ public class PL2303SerialDevice extends UsbSerialDevice
         // End of specific vendor stuff
         if(setControlCommand(PL2303_REQTYPE_HOST2DEVICE, PL2303_SET_CONTROL_REQUEST, 0x0003, 0,null) < 0)
             return false;
-        if(setControlCommand(PL2303_REQTYPE_HOST2DEVICE, PL2303_SET_LINE_CODING, 0x0000, 0, defaultSetLine) < 0)
-            return false;
+
         if(setControlCommand(PL2303_REQTYPE_HOST2DEVICE_VENDOR, PL2303_VENDOR_WRITE_REQUEST, 0x0505, 0x1311, null) < 0)
             return false;