Cannot delete Default route

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I'm using both wifi and wired connection simultaneously. currently my default destination is to wired connection. I need to delete that route. so I can use my WiFi as my default.

Please Help on this

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         gateway         0.0.0.0         UG    100    0        0 enp3s0
default         homerouter.cpe  0.0.0.0         UG    600    0        0 wlp2s0
172.19.44.0     gateway         255.255.255.0   UG    100    0        0 enp3s0
172.19.53.0     gateway         255.255.255.0   UG    100    0        0 enp3s0
172.19.55.0     gateway         255.255.255.0   UG    100    0        0 enp3s0
192.168.1.0     0.0.0.0         255.255.255.0   U     600    0        0 wlp2s0
192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0 virbr0
192.168.196.0   0.0.0.0         255.255.255.0   U     100    0        0 enp3s0

I have used following commands It will not work.

route delete -net default netmask 0.0.0.0 gw gateway dev enp3s0 sudo route del -net default gw gateway netmask 0.0.0.0 dev ip route del default route del -net default netmask 0.0.0.0 gw gateway enp3s0 route del default gw gateway enp3s0