diff --git a/src/cairo-truetype-subset.c b/src/cairo-truetype-subset.c
index 645a89abf..3aa637d6f 100644
--- a/src/cairo-truetype-subset.c
+++ b/src/cairo-truetype-subset.c
@@ -107,7 +107,6 @@ check (tt_hhea_t,	36);
 check (tt_maxp_t,	32);
 check (tt_name_record_t, 12);
 check (tt_name_t,	18);
-check (tt_name_t,	18);
 check (tt_composite_glyph_t, 16);
 check (tt_glyph_data_t,	26);
 #undef check