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• Instances tab > Managed view - The Remove option is located on the gear icon next to the instance you want to remove, or under More Actions on the action items bar. Note that you must select at least one instance to have this option enabled.
• Instances tab > SQL Licensing view - The Remove option is located on the gear icon next to the instance you want to remove, or under More Actions on the action items bar. Note that you must select at least one instance to have this option enabled.
• Overview tab - Gear The Remove option is located on the gear icon next to the respective instance you want to remove. 
• Instance details view - Action items bar.

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