Remove unneeded check

1 files changed, 0 insertions, 1 deletions

diff --git a/challenge-147/wlmb/perl/ch-2b.pl b/challenge-147/wlmb/perl/ch-2b.pl
index c029154bc9..320dfedddc 100755
--- a/challenge-147/wlmb/perl/ch-2b.pl
+++ b/challenge-147/wlmb/perl/ch-2b.pl
@@ -14,7 +14,6 @@ my $N=shift;
 my $start=time();
 my $n=zeroes(long, $N)->xvals+1;
 my $p=$n*(3*$n-1)/2;
-my $check=pentagonal($p);
 my $pass=whichND(pentagonal($p+$p(*1)) & pentagonal($p-$p(*1)));
 die "No solution found. Try to increase the largest_index" unless $pass->dim(1)>0;
 my $ij=$pass(:,(0))+1;