You can reset your customizer settings via Customizer Reset option.

Note: Please DO NOT use this option on LIVE SITE as this process is IRREVERSIBLE and will remove all customizations ever made.

Please follow the below steps to reset customizer

• Go to Appearance > Customize > Customizer Rest
• Click on Reset !!! 

• A pop-up menu appears once you press Reset!!!

• Press “Y” to reset
• Press ” N” or click “NO” to cancel