[TxMt] Disabling all autcompletion macros

[Carpii UK]

Is there a way I can just disable all autocompletion in TM2?
I really prefer not to use it, but occasionally its getting in the way.
I've trawled various bundles but cant figure out where any of it is defined

Example:

do|case "$o" in

The caret is where the | pipe character is. If I press TAB here it
autocompletes to..

do
#statements|
donecase "$o" in

Likewise if I press ESC instead, it autocompletes to

done|case "$o" in

Id rather it just inserted a TAB character

Thanks
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