diff --git a/include/nuttx/can.h b/include/nuttx/can.h
index 030cf91e9f..7a9562b053 100644
--- a/include/nuttx/can.h
+++ b/include/nuttx/can.h
@@ -101,7 +101,7 @@
 #define CANIOCTL_USER             2
 
 /************************************************************************************
- * Private Types
+ * Public Types
  ************************************************************************************/
 /* CAN-message Format
  *
diff --git a/include/nuttx/serial.h b/include/nuttx/serial.h
index 3d2bfb34d0..c2a7a875f8 100644
--- a/include/nuttx/serial.h
+++ b/include/nuttx/serial.h
@@ -64,7 +64,7 @@
 #define uart_receive(dev,s)      dev->ops->receive(dev,s)
 
 /************************************************************************************
- * Private Types
+ * Public Types
  ************************************************************************************/
 
 /* This structure defines one serial I/O buffer.  The serial infrastructure will
diff --git a/include/nuttx/usb.h b/include/nuttx/usb.h
index 66818c3e6f..69ae6c2cff 100644
--- a/include/nuttx/usb.h
+++ b/include/nuttx/usb.h
@@ -322,10 +322,6 @@ struct usb_qualdesc_s
 };
 #define USB_SIZEOF_QUALDESC 10
 
-/************************************************************************************
- * Private Data
- ************************************************************************************/
-
 /************************************************************************************
  * Public Data
  ************************************************************************************/
@@ -335,10 +331,6 @@ extern const ubyte UsbStandardConfigurationDescriptor[];
 extern const ubyte UsbLanguagesStr[];
 extern const ubyte *const *const UsbString[];
 
-/************************************************************************************
- * Private Functions
- ************************************************************************************/
-
 /************************************************************************************
  * Public Functions
  ************************************************************************************/