TP-Link RE350 v1[18.06.04 imagebuilder] Image is too big

Hi, i own a TP-Link RE350 v1 and currently i'm using a custom 18.06.02 build made with the following command:

make image PROFILE=re-350-v1 PACKAGES="uhttpd uhttpd-mod-ubus libiwinfo-lua luci-base luci-app-firewall luci-mod-admin-full luci-theme-bootstrap wget stubby luci-app-travelmate openssh-sftp-server -opkg"

I use this device mainly as an ap client to a network which i login to with a custom script which requires wget. In the 18.06.02 version i found out that if i connect to the 5Ghz as ap client and then i make another SSID for my network hostapd complains with "failed to set beacon parameters".
I thought that might be an issue with the m76 driver, so, after reading that 18.06.04 has updated wireless drivers for mt76 i wanted to build the same image for the newer version.
To my surprise 18.06.04 won't build either the default profile nor an ultra stripped version without luci, opkg, ppp and ipv6. It complains that the image is too big.

P.S. I have read this and wanted to know if i can make full use of the 8MB flash if i never wanted to go back to stock.