diff --git a/basis/checksums/metrohash/metrohash.factor b/basis/checksums/metrohash/metrohash.factor
index 04f3e0ee31..ad9b6dcaac 100644
--- a/basis/checksums/metrohash/metrohash.factor
+++ b/basis/checksums/metrohash/metrohash.factor
@@ -6,7 +6,6 @@ sequences specialized-arrays ;
 SPECIALIZED-ARRAY: uint64_t
 SPECIALIZED-ARRAY: uint32_t
 SPECIALIZED-ARRAY: uint16_t
-SPECIALIZED-ARRAY: uint8_t
 
 IN: checksums.metrohash