Create an unlisted product.

To unlist your course from other products, go to Contents > Courses > Select the Desired Course.
Then click the Settings button.
Now, you will arrive at the settings page. Select the "Permissions" option under the Pricing & Permissions by scrolling down.
Now you can see the Unlisted course option under the Course Access Type. Now enable it.
Once you enable this option, click on the Save button.
In the same way, you can create unlisted products, including bundles, test series, and mock tests.

You can create an unlisted products. This option allows you to remove this course from all of your products, including bundles.