diff --git a/docs/projectconf.rst b/docs/projectconf.rst
index d63996e8..a9f275bd 100644
--- a/docs/projectconf.rst
+++ b/docs/projectconf.rst
@@ -246,10 +246,6 @@ Examples
     framework = arduino
     board = uno
 
-    upload_port = /dev/ttyUSB0
-    # for Windows OS
-    # upload_port = COM3
-
     # enable auto-uploading
     targets = upload
 
@@ -265,10 +261,6 @@ Examples
     framework = arduino
     board = 168pa8m
 
-    upload_port = /dev/ttyUSB0
-    # for Windows OS
-    # upload_port = COM3
-
     # enable auto-uploading
     targets = upload