diff --git a/drivers/docs/serial/serial.md b/drivers/docs/serial/serial.md
index 8d4e9c2..ccce684 100644
--- a/drivers/docs/serial/serial.md
+++ b/drivers/docs/serial/serial.md
@@ -232,7 +232,7 @@
 puts("Hello");
 ```
 ```C
-BufferedSerial pc(USBTX, USBRX);
+BufferedSerial pc(CONSOLE_TX, CONSOLE_RX);
 pc.write("Hello", 6);
 ```
 
diff --git a/features/frameworks/greentea-client/source/greentea_test_env.cpp b/features/frameworks/greentea-client/source/greentea_test_env.cpp
index cda381f..3d70610 100644
--- a/features/frameworks/greentea-client/source/greentea_test_env.cpp
+++ b/features/frameworks/greentea-client/source/greentea_test_env.cpp
@@ -284,7 +284,7 @@
  * \brief Encapsulate and send key-value message from DUT to host
  *
  *        This function uses underlying functions to write directly
- *        to the serial port, (USBTX). This allows KVs to be used
+ *        to the serial port, (CONSOLE_TX). This allows KVs to be used
  *        from within interrupt context.
  *
  * \param key Message key (message/event name)
@@ -305,7 +305,7 @@
  * \brief Encapsulate and send key-value message from DUT to host
  *
  *        This function uses underlying functions to write directly
- *        to the serial port, (USBTX). This allows KVs to be used
+ *        to the serial port, (CONSOLE_TX). This allows KVs to be used
  *        from within interrupt context.
  *        Last value is an integer to avoid integer to string conversion
  *        made by the user.
@@ -328,7 +328,7 @@
  * \brief Encapsulate and send key-value-value message from DUT to host
  *
  *        This function uses underlying functions to write directly
- *        to the serial port, (USBTX). This allows KVs to be used
+ *        to the serial port, (CONSOLE_TX). This allows KVs to be used
  *        from within interrupt context.
  *        Last value is an integer to avoid integer to string conversion
  *        made by the user.
@@ -355,7 +355,7 @@
  * \brief Encapsulate and send key-value-value-value message from DUT to host
  *
  *        This function uses underlying functions to write directly
- *        to the serial port, (USBTX). This allows KVs to be used
+ *        to the serial port, (CONSOLE_TX). This allows KVs to be used
  *        from within interrupt context.
  *        Last 2 values are integers to avoid integer to string conversion
  *        made by the user.
@@ -389,7 +389,7 @@
  * \brief Encapsulate and send key-value-value message from DUT to host
  *
  *        This function uses underlying functions to write directly
- *        to the serial port, (USBTX). This allows key-value-value to be used
+ *        to the serial port, (CONSOLE_TX). This allows key-value-value to be used
  *        from within interrupt context.
  *        Both values are integers to avoid integer to string conversion
  *        made by the user.