diff --git a/bootstrap.pl b/bootstrap.pl
index fe769bd..0d004e9 100644
--- a/bootstrap.pl
+++ b/bootstrap.pl
@@ -16,7 +16,6 @@
     .close;
 }
 
-my $oldenv  = %*ENV<PERL6LIB> // '';
 my $env_sep = $*VM<config><osname> eq 'MSWin32' ?? ';' !! ':';
 my $destdir = %*ENV<DESTDIR> || "$home/.perl6";
    $destdir = "{cwd}/$destdir" unless $destdir ~~ /^ '/' /;