Duplicate attribute errors - seem unreasonable

Suddenly Rider will underline and warn me of errors every time I "duplicate" attributes, even when those attributes are commonly duplicated. They don't cause build errors, only an annoying red underline that makes real problems difficult to find.

Here are a couple of examples of code that produce the errors:

[Theory]
[InlineData(1)] // "Duplicate 'InlineDataAttribute' attribute"
[InlineData(2)] // "Duplicate 'InlineDataAttribute' attribute"
public void Test(int input)
{
    // ...
}

[HttpGet]
[ProducesResponseType(StatusCodes.Status200OK)] // "Duplicate 'ProducesResponseTypeAttribute' attribute"
[ProducesResponseType(StatusCodes.Status401Unauthorized)] // "Duplicate 'ProducesResponseTypeAttribute' attribute"
public IActionResult MyAction()
{
 // ...
}

How can I stop rider from showing these as errors? I realize I can ignore them from the Errors In Solution menu, but that doesn't stop the underlining.