benchmark.pidigits: no need to USE sets.

diff --git a/extra/benchmark/pidigits/pidigits.factor b/extra/benchmark/pidigits/pidigits.factor
index d001d81a8ce6b839c50036893776da4b2706e957..2d343e8deda12458c6b7318358f9d18fb8743f6e 100644 (file)
--- a/extra/benchmark/pidigits/pidigits.factor
+++ b/extra/benchmark/pidigits/pidigits.factor
@@ -3,7 +3,7 @@
 ! A copy of the license is available at http://factorcode.org/license.txt
 USING: arrays formatting fry grouping io kernel locals math math.functions
     math.matrices math.parser math.primes.factors math.vectors prettyprint
-    sequences sequences.deep sets ;
+    sequences sequences.deep ;
 IN: benchmark.pidigits
 
 : extract ( z x -- n )