diff --git a/types/chart.js/chart.js-tests.ts b/types/chart.js/chart.js-tests.ts
index b7fd322bfc..0a462fcb7f 100644
--- a/types/chart.js/chart.js-tests.ts
+++ b/types/chart.js/chart.js-tests.ts
@@ -295,3 +295,13 @@ const customTooltipsPieChart = new Chart(ctx, {
         },
     },
 });
+
+// platform global values
+Chart.platform.disableCSSInjection = true;
+
+// default global static values
+Chart.defaults.global.defaultFontColor = '#544615';
+Chart.defaults.global.defaultFontFamily = 'Arial';
+Chart.defaults.global.tooltips.backgroundColor = '#0a2c54';
+Chart.defaults.global.tooltips.cornerRadius = 2;
+Chart.defaults.global.tooltips.displayColors = false;
diff --git a/types/chart.js/index.d.ts b/types/chart.js/index.d.ts
index 60ceb9f6ea..ab164dab80 100644
--- a/types/chart.js/index.d.ts
+++ b/types/chart.js/index.d.ts
@@ -55,7 +55,9 @@ declare class Chart {
     static plugins: PluginServiceStatic;
 
     static defaults: {
-        global: Chart.ChartOptions & Chart.ChartFontOptions;
+        global: Chart.ChartOptions & Chart.ChartFontOptions & {
+            tooltips: Chart.ChartTooltipOptions
+        };
         [key: string]: any;
     };
 
@@ -67,6 +69,10 @@ declare class Chart {
         [key: string]: any;
     };
 
+    static platform: {
+        disableCSSInjection: boolean
+    };
+
     // Tooltip Static Options
     static Tooltip: Chart.ChartTooltipsStaticConfiguration;
 }