Unity Issue Tracker - 2D Rect Mask permanently applied even if component is removed

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Issue ID

Regression

2D Rect Mask permanently applied even if component is removed

-

Apr 22, 2016

Reproduction steps
1. Open repro project (3.rar)
2. Open scene "3"
3. Add component "Rect Mask 2D" to the Canvas
4. Remove Rect Mask 2D

Notice that mask still remains even if component is removed. Only restarting unity reverts canvas.

Reproduced on 5.2.4f1, 5.3.4f1, 5.3.4p4, 5.4.0b16