diff --git a/app/javascript/controllers/time_series_chart_controller.js b/app/javascript/controllers/time_series_chart_controller.js
index e4930db7..ca9dd6af 100644
--- a/app/javascript/controllers/time_series_chart_controller.js
+++ b/app/javascript/controllers/time_series_chart_controller.js
@@ -6,8 +6,7 @@ export default class extends Controller {
   static values = {
     data: Object,
     useLabels: Boolean,
-    useTooltip: Boolean,
-    strokeWidth: { type: Number, default: 2 }
+    useTooltip: Boolean
   }
 
   #d3SvgMemo = null
diff --git a/app/views/pages/dashboard/_net_worth_chart.html.erb b/app/views/pages/dashboard/_net_worth_chart.html.erb
index 21f908c6..d1ea01e7 100644
--- a/app/views/pages/dashboard/_net_worth_chart.html.erb
+++ b/app/views/pages/dashboard/_net_worth_chart.html.erb
@@ -6,8 +6,7 @@
     data-controller="time-series-chart"
     data-time-series-chart-data-value="<%= series.to_json %>"
     data-time-series-chart-use-labels-value="true"
-    data-time-series-chart-use-tooltip-value="true"
-    data-time-series-chart-stroke-width-value="1.5"></div>
+    data-time-series-chart-use-tooltip-value="true"></div>
 <% else %>
   <div class="w-full h-full flex items-center justify-center">
     <p class="text-gray-500">No data available for the selected period.</p>
diff --git a/app/views/shared/_line_chart.html.erb b/app/views/shared/_line_chart.html.erb
index 21f908c6..d1ea01e7 100644
--- a/app/views/shared/_line_chart.html.erb
+++ b/app/views/shared/_line_chart.html.erb
@@ -6,8 +6,7 @@
     data-controller="time-series-chart"
     data-time-series-chart-data-value="<%= series.to_json %>"
     data-time-series-chart-use-labels-value="true"
-    data-time-series-chart-use-tooltip-value="true"
-    data-time-series-chart-stroke-width-value="1.5"></div>
+    data-time-series-chart-use-tooltip-value="true"></div>
 <% else %>
   <div class="w-full h-full flex items-center justify-center">
     <p class="text-gray-500">No data available for the selected period.</p>