diff --git a/stylesheets/components/_charts.less b/stylesheets/components/_charts.less
index bf8b23a..41bb630 100644
--- a/stylesheets/components/_charts.less
+++ b/stylesheets/components/_charts.less
@@ -4,7 +4,7 @@ canvas.jqplot-piwik-ticks-canvas {
 
 // Graph series 1
 
-@graph-colors-data-series0: #323036; // light blue 50 series (800)
-@graph-series0-shade1-color: #828089; // (A200)
-@graph-series0-shade2-color: #ceccd2; // (A400)
-@graph-series0-shade3-color: #e6e6e6; // (A700)
+@graph-colors-data-series0: #323036;
+@graph-series0-shade1-color: #828089;
+@graph-series0-shade2-color: #ceccd2;
+@graph-series0-shade3-color: #e6e6e6;