diff --git a/src/report/report-system/html-piechart.scm b/src/report/report-system/html-piechart.scm
index d7b00c8b58..5c5a251ef3 100644
--- a/src/report/report-system/html-piechart.scm
+++ b/src/report/report-system/html-piechart.scm
@@ -200,10 +200,6 @@
            (gnc:html-piechart-button-3-legend-urls piechart)))
          (data 
           (ensure-positive-numbers (gnc:html-piechart-data piechart)))
-         (labels 
-          (catenate-escaped-strings (gnc:html-piechart-labels piechart)))
-         (colors 
-          (catenate-escaped-strings (gnc:html-piechart-colors piechart)))
          ; Use a unique chart-id for each chart. This prevents chart
          ; clashed on multi-column reports
          (chart-id (string-append "chart-" (number->string (random 999999)))))