# Deleting data marts, schemas and dimensions

You can delete data marts, star schemas and dimensions that you no longer require.

## Deleting a data mart

1. Select the data mart and then click the upper Delete Data Mart toolbar button.
2. Click OK when prompted to confirm the deletion.

## Deleting a star schema

1. Select the star schema and then click the lower Delete toolbar button.

   OR

   Right-click the star schema and select Delete.

2. Optionally select the Drop unused dimensions check box.

3. Click OK when prompted to confirm the deletion.

## Deleting a dimension

1. Select the dimension and then click the lower Delete toolbar button.

   OR

   Right-click the dimension and select Delete.

2. Click OK when prompted to confirm the deletion.