There are mechanisms to add or change, but not disable/remove system-wide contracts per-user. Some people (e.g. me) will never use e.g. Facebook and Twitter contracts and prefer to disable them.
This bug causes ugly workarounds in webcontracts.
Launchpad Details: #LP1026280 Sergey "Shnatsel" Davidoff - 2012-07-18 18:43:06 +0000