Removing the OS X Notification centre
To remove the Notification centre on your Mac follow these steps below
Open the Terminal ( in utilities/applications )
Copy and paste the code below and hit enter
launchctl unload -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
The Notification centre will stop but will leave a small gap, hover/click the mouse over the area and the icons will close the gap.
Restarting the OS X Notification Centre
To turn it back on if you change your mind reopen Terminal and enter the code below and hit enter
launchctl load -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
You may need to restart the Notification app depending on your system, if it does not start after hitting enter go to “/System/Library/CoreServices”
Find the Notification Centre.app and double click
Let me know how you get on or if you need any more help.