[TYPO3-mvc] How to disable multilanguage domain objects

[g4-lisz at tonarchiv.ch]

hi there,

is there a simple way to disable the multilanguage functionality for the DB backend, without having to erase all the TCA 
language field directives (so that we later on can switch on multilanguage functionality again if need)?

the aim is to get rid of the JOINs in the SQL-statements for speed-up reasons.

thanks in advance..!

till