18 “I will remove from you all who mourn over the loss of your appointed festivals, which is a burden and reproach for you.

Read Zephaniah 3:18 Using Other Translations

I will gather them that are sorrowful for the solemn assembly, who are of thee, to whom the reproach of it was a burden.
I will gather those of you who mourn for the festival, so that you will no longer suffer reproach.
“I will gather you who mourn for the appointed festivals; you will be disgraced no more.