diff --git a/packages/backend/trpc/routers/user.ts b/packages/backend/trpc/routers/user.ts
index 240faf208..88070b51c 100644
--- a/packages/backend/trpc/routers/user.ts
+++ b/packages/backend/trpc/routers/user.ts
@@ -63,6 +63,9 @@ export const user = router({
       await tx.event.deleteMany({
         where: { userId: ctx.user.id },
       });
+      await tx.comment.deleteMany({
+        where: { userId: ctx.user.id },
+      });
       await tx.poll.deleteMany({
         where: { userId: ctx.user.id },
       });