Disable Jetpack modules by Robert Neu, http://wpbacon.com/tutorials/disable-jetpack-modules/

gistfile1.php

<?php
/**
* Disable all non-whitelisted jetpack modules.
*
* This will allow all of the currently available Jetpack modules to work
* normally. If there's a module you'd like to disable, simply comment it out
* or remove it from the whitelist and it will no longer load.
*
* @author FAT Media, LLC
* @link   http://wpbacon.com/tutorials/disable-jetpack-modules/
*/
add_filter( 'jetpack_get_available_modules', 'prefix_kill_all_the_jetpacks' );
function prefix_kill_all_the_jetpacks( $modules ) {
	// A list of Jetpack modules which are allowed to activate.
	$whitelist = array(
		'after-the-deadline',
		'carousel',
		'comments',
		'contact-form',
		'custom-css',
		'enhanced-distribution',
		'gplus-authorship',
		'gravatar-hovercards',
		'infinite-scroll',
		'json-api',
		'latex',
		'likes',
		'minileven',
		'mobile-push',
		'monitor',
		'notes',
		'omnisearch',
		'photon',
		'post-by-email',
		'publicize',
		'sharedaddy',
		'shortcodes',
		'shortlinks',
		'sso',
		'stats',
		'subscriptions',
		'tiled-gallery',
		'vaultpress',
		'videopress',
		'widget-visibility',
		'widgets',
	);
	// Deactivate all non-whitelisted modules.
	$modules = array_intersect_key( $modules, array_flip( $whitelist ) );
 
	return $modules;
}