diff --git a/post_bug.cgi b/post_bug.cgi
index ddc12fd6417cfc22bd047435f28977971a0347d5..759c9c250048b697118c52a817c6bdbd3405e52d 100755
--- a/post_bug.cgi
+++ b/post_bug.cgi
@@ -128,10 +128,6 @@ my @custom_bug_fields = grep {$_->type != FIELD_TYPE_MULTI_SELECT}
 my @bug_fields = grep { defined $cgi->param($_->name) } @custom_bug_fields;
 @bug_fields = map { $_->name } @bug_fields;
 
-# Custom tables must be locked (required when validating custom fields).
-my @custom_tables = grep { $_->type == FIELD_TYPE_SINGLE_SELECT } @custom_bug_fields;
-@custom_tables = map { $_->name . ' READ' } @custom_tables;
-
 push(@bug_fields, qw(
     product
     component