diff --git a/client/d3/bar/base.js b/client/d3/bar/base.js
index 94ee48e..1374492 100644
--- a/client/d3/bar/base.js
+++ b/client/d3/bar/base.js
@@ -1,51 +1,13 @@
 import extend from 'extend';
 
 // This class is inspired by // http://bl.ocks.org/mbostock/3885304.
-
-const DEFAULTS = {
-  outer_width: 500,
-  outer_height: 300,
-  margin: {top: 0, left: 70, bottom: 50, right: 20},
-  horizontal: true,
-  range_ticks: 10,
-  container: "container",
-  range_label: "range",
-  titleize: function(series, datum){
-    var s = datum ? datum.name : series.name,
-      words = s.split(' ');
-    var array = [];
-    for (var i=0; i<words.length; ++i) {
-      array.push(words[i].charAt(0).toUpperCase() + words[i].toLowerCase().slice(1));
-    }
-    return array.join(' ');
-  },
-  toClass: function(series, datum){
-    return datum ? datum.name.toLowerCase(): series.name.toLowerCase();
-  },
-  series_opacity_gradient: true
-}
-
 class BarChart {
 
-  constructor(options){
-    var bar_chart = this;
-    bar_chart =  extend(bar_chart, DEFAULTS, bar_chart.chart_options, options);
-
-    bar_chart.height = bar_chart.outer_height - bar_chart.margin.top - bar_chart.margin.bottom;
-    bar_chart.width = bar_chart.outer_width - bar_chart.margin.left - bar_chart.margin.right;
-
-    bar_chart.init();
-  }
-
-  init(){
-    var bar_chart = this;
-
-    bar_chart.svg = d3.select(bar_chart.container).append("svg")
-        .attr("width", bar_chart.outer_width)
-        .attr("height", bar_chart.outer_height)
-      .append("g")
-        .attr("transform", "translate(" + bar_chart.margin.left + "," + bar_chart.margin.top + ")");
-    bar_chart.defineAxes();
+  get chart_options(){
+    return {
+      series_opacity_gradient: true,
+      margin: {top: 0, left: 70, bottom: 50, right: 20}
+    };
   }
 
   serializeData(data){
diff --git a/client/d3/base.js b/client/d3/base.js
index 8730d89..e071906 100644
--- a/client/d3/base.js
+++ b/client/d3/base.js
@@ -11,16 +11,6 @@ const DEFAULTS = {
   range_label: undefined,
   domain_attr: undefined,
   range_attr: undefined,
-  titleize: function(series, datum){
-    var s = datum ? datum.title : series.title;
-    if (!s) return '';
-    var words = s.split(' '),
-      array = [];
-    for (var i=0; i<words.length; ++i) {
-      array.push(words[i].charAt(0).toUpperCase() + words[i].toLowerCase().slice(1));
-    }
-    return array.join(' ');
-  },
   toCssClass: function(series){
     return series ? series.title.toLowerCase().replace(/\s+/g, '-') : "";
   }
@@ -45,39 +35,6 @@ class Chart {
     if (chart.afterAxes) chart.afterAxes();
   }
 
-  defineAxes(){
-    var chart = this;
-
-    chart.y_scale = d3.scale.linear()
-      .range([chart.height, 0]);
-    chart.y_axis = d3.svg.axis()
-      .scale(chart.y_scale)
-      .orient("left")
-      .outerTickSize(1);
-
-    if (chart.time_series){
-      chart.x_scale = d3.time.scale()
-        .range([0, chart.width]);
-    } else {
-      chart.x_scale = d3.scale.linear()
-        .range([0, chart.width]);
-    }
-
-    chart.x_axis = d3.svg.axis()
-      .scale(chart.x_scale)
-      .orient("bottom")
-      .outerTickSize(0)
-    //chart.x_axis.tickFormat(d3.time.format('%b %d at %H'))
-    //chart.x_axis.ticks(d3.time.hour, 12);
-
-    // append axes
-    chart.svg.append("g")
-        .attr("class", "d3-chart-range d3-chart-axis");
-    chart.svg.append("g")
-        .attr("class", "d3-chart-domain d3-chart-axis")
-        .attr("transform", "translate(0, " + (chart.height) + ")");
-  }
-
   cssClass(series){
     var chart = this;
     if (!chart.toCssClass) return '';
@@ -99,7 +56,16 @@ class Chart {
         extent.max_range = Math.max(max_range, value[range_attr]);
       });
     });
-    returnextent
+    return extent;
+  }
+
+  titleize(s){
+    var words = s.split(' '),
+      array = [];
+    for (var i=0; i<words.length; ++i) {
+      array.push(words[i].charAt(0).toUpperCase() + words[i].toLowerCase().slice(1));
+    }
+    return array.join(' ');
   }
 
 }
diff --git a/gulpfile.babel.js b/gulpfile.babel.js
index eb80e24..46415ed 100644
--- a/gulpfile.babel.js
+++ b/gulpfile.babel.js
@@ -41,7 +41,7 @@ gulp.task('build', function(done) {
   } else if (yargs.argv.design){
     env = 'design';
   } else {
-    throw new gutil.PluginError("webpack", "Must add '--production' or '--design' option.");
+    throw new gutil.PluginError("webpack", "Must include '--production' or '--design' option.");
   }
   config = require(`${__dirname}/server/config/webpack/${env}`);
   // run webpack