diff --git a/.changeset/cool-jeans-applaud.md b/.changeset/cool-jeans-applaud.md
new file mode 100644
index 00000000000..b7378bc18e5
--- /dev/null
+++ b/.changeset/cool-jeans-applaud.md
@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Remove shadow from `MarkdownEditor` `textarea`
diff --git a/src/drafts/MarkdownEditor/_MarkdownInput.tsx b/src/drafts/MarkdownEditor/_MarkdownInput.tsx
index e72964e7eb6..14a9554b385 100644
--- a/src/drafts/MarkdownEditor/_MarkdownInput.tsx
+++ b/src/drafts/MarkdownEditor/_MarkdownInput.tsx
@@ -117,6 +117,7 @@ export const MarkdownInput = forwardRef<HTMLTextAreaElement, MarkdownInputProps>
           sx={{
             width: '100%',
             borderStyle: 'none',
+            boxShadow: 'none',
             height: fullHeight ? '100%' : undefined,
             outline: theme => {
               return isDraggedOver ? `solid 2px ${theme.colors.accent.fg}` : undefined