You can allow customers to filter a collection using either the Smart Search or the Collection Filters add-on, or both. The Collection Filters add-on only works on the Collections page and it can be removed if not needed.
STEP 1
In your Shopify Admin, select Online Store.
STEP 2
Select your Debutify theme and click on Customize.
STEP 3
On the top menu, select Collection pages from the drop-down list.
STEP 4
On the left panel of the page, under Collection pages, tap Collection pages.
STEP 5
Untick the following actions under SORTING & FILTERING section to remove filter by in Collection pages.
STEP 6. Click on Save to apply changes.