Material components not removed from Components - ComponentBundles MaterialBundle when removed from project

Steps to reproduce:

• Create a 3D project
• Open Material Browser
• Add Concrete and Ceramic Materials to project from Material Library
• Remove Ceramic material from the project by right clicking it in Material Library -> Remove from project
• Open Components view
• -> Ceramic material is still found in ComponentBundles MaterialBundle
• Drag and drop it to cubeModel in Navigator
• Try running the project
• -> qml app won't open, error "...CeramicMaterial is not a type" seen in Application output