diff --git a/src/libstd/rt/global_heap.rs b/src/libstd/rt/global_heap.rs
index c6e2724b0f202..08d111da35155 100644
--- a/src/libstd/rt/global_heap.rs
+++ b/src/libstd/rt/global_heap.rs
@@ -20,7 +20,6 @@ extern {
 #[inline]
 pub fn get_box_size(body_size: uint, body_align: uint) -> uint {
     let header_size = size_of::<raw::Box<()>>();
-    // FIXME (#2699): This alignment calculation is suspicious. Is it right?
     let total_size = align_to(header_size, body_align) + body_size;
     total_size
 }