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Hi again, in Prefect Cloud, once you have registered a new block, how does one remove it? So far I can't find anything in the documentation.

Hi David, you should be able to delete the block by selecting the menu button to the right of the block record.

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<@U03FYEHGY57> I think you're misunderstanding my question. I registered a new block type in the Cloud, but now I want remove that type. Specificially, I created this Azure Key Vault Credentials block and now I want that removed.

There is nothing in the UI I can see that can remove that type

perhaps there is a command line option to remove it?

does uninstalling the collection remove the block type?

<@U02HA1S5KCG> how do I do that? Also this a block that I created, not part of the known collections Prefect provides

You can delete a block through a command line by typing the following on the CLI
```prefect block type delete block-type```

<@U03GUVCV8DS> I get a `Block Type 'AzureKeyVaultCredentials' not found!` error. I used this command: `prefect block type delete AzureKeyVaultCredentials`

<@U030EFFNZUY> I believe you will need to pass the slug, you can see it in `prefect block type ls`

<@U01CEUST9B5> using the slug yields a cannot delete block type error

`Cannot delete Block Type 'azure-key-vault-credentials'!`

that is in fact the slug provided by the ls operation

Let me get a blocks expert in the thread :slightly_smiling_face: cc <@U02GE39K551>

Let’s get some actual information about the error.. here’s a patch to add a log: <https://github.com/PrefectHQ/prefect/compare/block-type-delete-status>

Hmmm, that’s very interesting that you’re getting an error when trying to delete a block type. Have you used that block type to create any blocks?

You can install with `pip install git+<https://github.com/PrefectHQ/prefect@block-type-delete-status>`

<@U02GE39K551> I did create a block but I have since deleted that block

<@U01CEUST9B5>
```Received error from the the API: {'exception_message': 'Internal Server Error'}
Cannot delete block type 'azure-key-vault-credentials'! Status code 500.```

that's the error revealed after doing that install

Thanks! I’ll track down that internal error with our Cloud team.

Thanks for the ping, <@U01CEUST9B5>!  I talked to <@U030EFFNZUY> offline and we got it squared away, and I’ve got an exciting query plan to read!  Win-win!