Just disable the driver for touch input

To echo others here, you really need to kill the driver. There are a couple of different kernel modules that might be involved, depending on exactly how your touch panel is connected to the rest of the system. Software that has no specific touch support will likely treat your renegade hardware as a mouse, rather than ignoring it.

You may be able to unbind the driver from the device, see this discussion on stackexchange.

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What kind of touch. Hard? Soft? Totally different distros. Swipe? Distro. Pinch? Distro. TAP! Believe it or not, distro.