Stair Problem: Landing is not perfect rectangle.

[jaza008]

Not really a problem since Revit is working as it should be but I really want a way around this.

the image should be clear of what I encountered.

to summarised 

I created the stair with nosing.

I close the distance between stair's run [last image]

The Revit still creates little separation line on landing.[2nd image]

landing model sketch boundary

[barthbradley]

It's pretty. Can you post the file? 

[jaza008]

Here here, sorry for a long time. completely forgot about this.

[barthbradley · Accepted solution]

This is all I got for you...

[ToanDN]

Here goes.

[jaza008]

Wait how???

[ToanDN]

The revit file was attached in the previous reply. Edit the run type you shall see. Then the landing sketch boundary is a simple rectangle.