diff --git a/src/librustc_lint/builtin.rs b/src/librustc_lint/builtin.rs
index 7f331418d424..06bc716f024b 100644
--- a/src/librustc_lint/builtin.rs
+++ b/src/librustc_lint/builtin.rs
@@ -894,7 +894,6 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnconditionalRecursion {
             let mut db = cx.struct_span_lint(UNCONDITIONAL_RECURSION,
                                              sp,
                                              "function cannot return without recurring");
-            // FIXME #19668: these could be span_lint_note's instead of this manual guard.
             // offer some help to the programmer.
             for call in &self_call_spans {
                 db.span_note(*call, "recursive call site");