# Managing reusable transformations

You can manage reusable transformation as described in the table below.

Reusable transformation management options

| To | Do This |
| --- | --- |
| Delete a transformation | Select the transformation and then click the Delete toolbar button. When prompted to confirm the action, click OK.<br><br>Information note<br><br>If the transformation is in use, you first need to delete the transformation instances. |
| Edit a transformation | Double-click the transformation or select the transformation and then click the Edit toolbar button. Continue as described in [Defining reusable transformations](https://help.qlik.com/en-US/compose/December2024/Content/ComposeDWDL/Main/DW/Model/define_reusable_transformations.htm).<br><br>Information note<br><br>Any changes you make to a transformation will be propagated to all instances of that transformation. |
| Edit a parameter | Open the Edit Transformation window as described in [Defining reusable transformations](https://help.qlik.com/en-US/compose/December2024/Content/ComposeDWDL/Main/DW/Model/define_reusable_transformations.htm). Then, select the parameter you want to delete and click the Delete button above the Parameters list. |