deleting Outbound Queue in SMQ1

I've some weird issues where I can;t delete the queue in ECC DEV.

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                                                        Above was smq1 from ECC DEV300

I need to delete the Queue name MCEX02  / DEstination = None.

** Please note the ECC DEV not connected to any of BI instances.

I need to enhance the datasource but cannot do as per above issues.

When I login into client 888 ,

I can;t find the queue name MCEX02.

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Above pic showed ECCPRD 888.

any idea. ?

Thank you

Rgds

Edi.