如果jquery中的前一个元素为空，如何删除当前元素?

I want to delete element with class "tehnicneinfo" but only if the element I'm checking ( with class "h2size") has no child. I have a bunch of those elements, generated by a plugin and I want to delete only the ones that have the next element without child. I wrote jquery code, but it delets all of my elements, not only the ones that have the next element without child. Here is my jquery code:I want to delete element with class "tehnicnein