diff --git a/.changeset/thin-houses-play.md b/.changeset/thin-houses-play.md
new file mode 100644
index 000000000000..86d6ef2adadd
--- /dev/null
+++ b/.changeset/thin-houses-play.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/mdx': minor
+---
+
+Remove `frontmatterOptions` from MDX config