KB005436: To delete the CEL files that were already used for creation of experiments GeneSpring GX 

Samples can only be deleted by deleting the experiments associated with them. Experiments can be deleted using the path below:

GeneSpring GX10 menu bar -> Search -> Experiments -> In the search wizard select the experiments to be deleted -> Select the ‘Delete’ icon
Note: Once the sample is deleted from all the associated experiments, those experiments cannot be accessed.