diff --git a/web/react/components/file_attachment.jsx b/web/react/components/file_attachment.jsx
index 87922a615f..3f7deed97b 100644
--- a/web/react/components/file_attachment.jsx
+++ b/web/react/components/file_attachment.jsx
@@ -78,11 +78,6 @@ module.exports = React.createClass({
             );
         }
 
-        var containerClassName = "post-image__column";
-        if (type !== "image") {
-            containerClassName += " custom-file";
-        }
-
         // TODO fix the race condition here where the file size may arrive before the rest of the page is rendered
         // asynchronously request the size of the file so that we can display it next to the thumbnail
         utils.getFileSize(fileInfo.path + "." + fileInfo.ext, function(self, _filename) {
@@ -94,7 +89,7 @@ module.exports = React.createClass({
         }(this, filename));
 
         return (
-            <div className={containerClassName} key={filename}>
+            <div className="post-image__column" key={filename}>
                 {thumbnail}
                 <div className="post-image__details">
                     <div className="post-image__name">{fileInfo.name}</div>
diff --git a/web/sass-files/sass/partials/_files.scss b/web/sass-files/sass/partials/_files.scss
index d61d48ae91..ab40309355 100644
--- a/web/sass-files/sass/partials/_files.scss
+++ b/web/sass-files/sass/partials/_files.scss
@@ -120,9 +120,6 @@
   margin: 5px 10px 5px 0;
   display: flex;
   border: 1px solid lightgrey;
-  &.custom-file {
-    // TODO remove this class if it doesn't end up getting used any more
-  }
   .post__load {
     height: 100%;
     width: 100%;