J'Kla wrote:I also have loads of textures and materials that show as unattached that persist version upon version. There was a thread that told me you just close and reopen and they go but this appears not to be the case.
You have your files packed. Thats the reason they don't go away generally. Under the file menu in blender there's an option called "external data" it will give you several unpacking options. Choose the first one. This will unpack all the files in your blender file. Afterwhich if you save and reopen the materials will be gone.
NOTE: Packing your files in blender is a good way to ensure that you don't lose data by moving your textures to another area of your hard drive, and should also be used if you're sending your file to someone else. It saves all materials, textures, and images in your blend file. The downside is that it greatly increases your blend file size, and continues to save even unused materials/textures.