I can't delete rigid body cache from scene. When I delete old objects and add new ones they are acting like the old objects. I tried all options under rigid body cache panel in scene properties, Free bake, Bake All Dynamics and others but none of them is working. I wonder how can I delete old rigid body cache from scene?


Under the menu: Scene selection > Rigid Body World > Rigid Body Cache > Free All Bakes > Reset Start and End > Bake

This worked for me in 2.74. It took less than a minute to bake 325 frames.

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    $\begingroup$ This still does not work for me. Alt+A still produces old physics. So weird. But, 'Remove Rigid Body World' did $\endgroup$ Aug 21 '17 at 2:50
  • $\begingroup$ Remove Rigid Body World under Rigid Body World works great if you are trying to clean up a file as well. I think this is the right answer. $\endgroup$
    – VRM
    Oct 23 '18 at 13:47
  • $\begingroup$ In what panel do I find the menu: Scene selection? $\endgroup$ Jan 29 '19 at 23:58

Just click on the "x" on the right side of the rigid body options in the physics


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