diff --git a/extra/benchmark/sha1/sha1.factor b/extra/benchmark/sha1/sha1.factor
index 614077c673..897d83ea0e 100644
--- a/extra/benchmark/sha1/sha1.factor
+++ b/extra/benchmark/sha1/sha1.factor
@@ -1,7 +1,7 @@
 USING: crypto.sha1 io.files kernel ;
 IN: benchmark.sha1
 
-: sha1-primes-list ( -- seq )
-    "extra/math/primes/list/list.factor" resource-path file>sha1 ;
+: sha1-primes-list ( -- )
+    "extra/math/primes/list/list.factor" resource-path file>sha1 drop ;
 
 MAIN: sha1-primes-list