diff --git a/app-config.yaml b/app-config.yaml
index 4a7e1cf9b8..ef133491af 100644
--- a/app-config.yaml
+++ b/app-config.yaml
@@ -373,11 +373,6 @@ auth:
       development: {}
 costInsights:
   engineerCost: 200000
-  baseCurrency:
-    locale: en-US
-    options:
-      currency: USD
-      minimumFractionDigits: 3
   products:
     computeEngine:
       name: Compute Engine
diff --git a/plugins/cost-insights/README.md b/plugins/cost-insights/README.md
index 945274202a..f65194551a 100644
--- a/plugins/cost-insights/README.md
+++ b/plugins/cost-insights/README.md
@@ -187,7 +187,7 @@ In the case you would like to show your baseline costs on the graph on other cur
 costInsights:
   engineerCost: 200000
   baseCurrency:
-    locale: en-US
+    locale: nl-NL
     options:
       currency: EUR
       minimumFractionDigits: 3
diff --git a/plugins/cost-insights/src/hooks/useConfig.tsx b/plugins/cost-insights/src/hooks/useConfig.tsx
index b1cfaf2002..6095f97d49 100644
--- a/plugins/cost-insights/src/hooks/useConfig.tsx
+++ b/plugins/cost-insights/src/hooks/useConfig.tsx
@@ -49,7 +49,6 @@ import { configApiRef, useApi } from '@backstage/core-plugin-api';
  *   baseCurrency:
  *     locale: nl-NL
  *     options:
- *       style: currency
  *       currency: EUR
  *       minimumFractionDigits: 3
  *   currencies: