Revert "FB conversion for mobile"

This reverts commit 504c1d319b12afe6149d95054c9a94a5037c45b1.
Revert "Fb_conversion_1"

This reverts commit 48f20ab06fb7d7bf403392bad3e6fc966dc26ed5.
Revert "FB conversion"

This reverts commit cc1c60233fd63212c536b233f97e61468aafd975.