如何在img标签下删除auto p标签

<img src="image.jpg" style="display: block;">

img {
  display: block;
}

<div id="image-container">
  <img src="image.jpg">
  <p>自动添加的p标签</p>
</div>

<script>
  var imageContainer = document.getElementById("image-container");
  var pTag = imageContainer.querySelector("p");
  imageContainer.removeChild(pTag);
</script>

<div contenteditable="true">
  <img src="image.jpg">
  <p>自动添加的p标签</p>
</div>