If you accidentally added an card inlay to your equipment or weapons and you want to remove it back, there is a way for it and it will only cost you 5,000 Zeny.
The NPC for removing card inlay is just in the Prontera, in the right corner of the map. The name of the NPC is Restore/Card D… it is besides the Armor Shop, Equipment Refine and Weapon Shop.
How to Remove Card Inlay
First, you need to unequip the equipment that you want to remove the card. In our example, we want our For Alice  equipment with Rideword Card inlay to be remove.
Then, now proceed to Restore/Card D… at the Prontera.
Select Restore Equipment.
Then add the Equipment with the Card Inlay you would like to remove.
Now, just check the Remove Rideword Card which cost 5,000 Zeny.
Your card is now remove from your equipment and you can now use it to other equipment or sell it in the exchange.
That’s it! Hope this simple guide helps you remove the Card inlay from your equipment.
You can also remove card inlay by going to Exchange and sell the equipment, it will automatically remove the card inlay and any upgrades when being prompt. No worries! It will not sell your equipment.