u/Any_Check_7301

just making sure on the electrical code compliance here for an indoor lighting situation. Am trying to replace an existing LED recessed light with a wafer light. The existing recessed light has a 4" junction/light-box inside which the wires are coupled with a wire-nut-connector.

am looking to replace it with a wafer light that comes with it's own driver box that can't fit into the existing junction box and has to be removed. the wafer light's driver box houses all the wire-coupling-set up including the wire-nuts making the light/junction box redundant. Want to check if this light/junction-box is still needed to stay code-compliant or can it be removed because the wafer light also doesn't need it any more ?

This is the light-box am referring to - https://www.homedepot.com/pep/Carlon-4-in-20-cu-in-Electrical-PVC-New-Work-Electrical-Ceiling-Box-B720R-SHK-B720R-SHK/100115858?g_store=&source=shoppingads&locale=en-US&fp=ggl&pla&mtc=SHOPPING-CM-CML-GGL-D29K-059_027_S_O_WIN_CVR-NA-NA-NA-PLA-7087500-NA-NA-NA-NBR-NA-NA-NEW-PRIO_FY26&cm_mmc=SHOPPING-CM-CML-GGL-D29K-059_027_S_O_WIN_CVR-NA-NA-NA-PLA-7087500-NA-NA-NA-NBR-NA-NA-NEW-PRIO_FY26-23586043094-191837963685-294682000766&gclsrc=aw.ds&gad_source=1&gad_campaignid=23586043094&gbraid=0AAAAADq61UfviefkZ2WA0oJ9yn5pgFJ0a&gclid=Cj0KCQjwkMjOBhC5ARIsADIdb3eLFFyRY5K8LuvA_ovrf9WiXrdRPshwt-vrQhW-QwdNqpbFkEzUbRUaAjFkEALw_wcB