diff --git a/pivot-table.el b/pivot-table.el
index 08ae585..af66e58 100644
--- a/pivot-table.el
+++ b/pivot-table.el
@@ -25,13 +25,11 @@
 
 (defun pt-build (source &rest params)
   "Build a pivot table
-
 TODO: more documentation"
   (let* ((rows (plist-get params :rows))
          (cols (plist-get params :cols))
          (vals (plist-get params :vals))
          (col-index (pt-get-columns source))
-         (index (pt-column-names source))
          src-cols
          (src-body (pt-get-body source))
          (buckets (make-hash-table)))