Step 1: Click on "Edit Land" button in bottom left corner of screen.
Step 2: Choose Landplot from your island
Step 4:
Click on "Apply" button to save your change
or
Click on "Reset" button to reverse your change.
You can modify your Blueprint without activating it by following these steps below:
Step 3: Click on Blueprint from Inventory that you want to modify.
Step 4: Click on Modify" button.
Step 5: Click on Landplot that you want to remove
Step 7:
Click on "Apply" button to save your change
or
Click on "Reset" button to reverse your change.
Now you know how to modify your blueprint.
You can remove a bulk of Landplot from your island by using Quick Remove Function
Step 2: Click on unwanted Landplot to remove them
Step 3:
or