OneIQ workspaces allow IT professionals and technology advisors to collaboratively analyze IT environments and design cost-optimized hybrid IT infrastructure solutions to support the required application workloads.
Note: learn more about the OneIQ workspace in the OneIQ Workspaces Overview article.
Currently, removing the workspace is unsupported.
OneIQ team is working on an option to archive workspaces.
Workaround
Rename the existing workspace (e.g. add the "_archived" suffix to its name) and proceed with creating a new workspace.
Note: to see only joined workspaces, filter out workspaces using the "Joined" option on the portal