How can I clear MT4 Terminal Cache?

[tec.nacks]

I noticed that wherever I backtest, my PC storage gets filled up - like backtesting takes lots of my storage.

How can I clear this  and hope it doesn't negatively affect my trading backtest?

[Alain Verleyen]

tec.nacks:
I noticed that wherever I backtest, my PC storage gets filled up - like backtesting takes lots of my storage.

How can I clear this  and hope it doesn't negatively affect my trading backtest?

Isn't rather your log which fills your storage ?

A cache can hardly fills your storage.

[tec.nacks]

Alain Verleyen #:

Isn't rather your log which fills your storage ?

A cache can hardly fills your storage.

I dont know...wherever it is.

How can I free the storage?