diff --git a/extensions/custis/lib/BugWorkTime.pm b/extensions/custis/lib/BugWorkTime.pm
index bd8a6fac7..47573b6bd 100644
--- a/extensions/custis/lib/BugWorkTime.pm
+++ b/extensions/custis/lib/BugWorkTime.pm
@@ -67,7 +67,7 @@ sub DistributeWorktime
     {
         $nt = $sum ? $t*$propo->{$_}/$sum : $t/$n;
         $nt = int($nt*100)/100;
-        if (abs($nt) < $min_inc || ($nt < 0) == ($sum > 0))
+        if (abs($nt) < $min_inc || $t*$nt < 0)
         {
             # не размазываем время совсем уж мелкими суммами
             # и размазываем только суммами того же знака, что и вся сумма
diff --git a/extensions/custis/lib/CustisBuglistHooks.pm b/extensions/custis/lib/CustisBuglistHooks.pm
index f808b969b..a82768071 100644
--- a/extensions/custis/lib/CustisBuglistHooks.pm
+++ b/extensions/custis/lib/CustisBuglistHooks.pm
@@ -13,16 +13,6 @@ sub buglist_static_columns
     my $columns = $args->{columns};
     my $dbh = Bugzilla->dbh;
 
-    $columns->{dependson} = {
-        name  => "(SELECT ".$dbh->sql_group_concat('bugblockers.dependson', "','")." FROM dependencies bugblockers WHERE bugblockers.blocked=bugs.bug_id)",
-        title => "Bug dependencies",
-    };
-
-    $columns->{blocked} = {
-        name  => "(SELECT ".$dbh->sql_group_concat('bugblocked.blocked', "','")." FROM dependencies bugblocked WHERE bugblocked.dependson=bugs.bug_id)",
-        title => "Bugs blocked",
-    };
-
     $columns->{flags} = {
         name  =>
 "(SELECT ".$dbh->sql_group_concat($dbh->sql_string_concat('col_ft.name', 'col_f.status'), "', '")."