deleting Salesforce Single Sign one setting

Under Administration Setup - Security Controls - Single Sign-On Settings, I need to turn off Federated Single Sign-On Using SAML. However, whenever I disable the SAML Enabled checkbox and click [Save], I get the following error: Error: Your organization or community is currently using SAML as an authentication method, so you can’t disable it. Solution: 1. go to "Single Sign-On Settings" 2. Click "Edit" 3. Uncheck "SAML Enabled" from "Federated Single Sign-On Using SAML" section 4. Now Click on the the Provider and delete If you logged in with the user you will get above error 1. on Search bar search for "My Domain" and go all the way down to "Authentication Configuration" 2. Edit the section 3. from "Authentication Service" remove the Provider you want to remove. 4. now go ""SAML Single Sign on Settings" and delete the provider