diff --git a/src/libcore/extfmt.rs b/src/libcore/extfmt.rs
index c184a5d4a28..e9b783a446b 100644
--- a/src/libcore/extfmt.rs
+++ b/src/libcore/extfmt.rs
@@ -53,7 +53,6 @@ mod ct {
         ty_octal,
         ty_float,
         ty_poly,
-        // FIXME: More types (Issue #1992)
     }
     enum flag {
         flag_left_justify,