diff --git a/lib/util/jsx.js b/lib/util/jsx.js
index e3bcc23e3a..e8aff1ea0f 100644
--- a/lib/util/jsx.js
+++ b/lib/util/jsx.js
@@ -14,15 +14,7 @@ const COMPAT_TAG_REGEX = /^[a-z]|-/;
  * @returns {boolean} Whether or not the node corresponds to a DOM element.
  */
 function isDOMComponent(node) {
-  let name = elementType(node);
-
-  // Get namespace if the type is JSXNamespacedName or JSXMemberExpression
-  if (name.indexOf(':') > -1) {
-    name = name.slice(0, name.indexOf(':'));
-  } else if (name.indexOf('.') > -1) {
-    name = name.slice(0, name.indexOf('.'));
-  }
-
+  const name = elementType(node);
   return COMPAT_TAG_REGEX.test(name);
 }