diff --git a/docs/data/charts/lines/LineDataset.js b/docs/data/charts/lines/LineDataset.js
index d25aa69a493c..936c9cd946a7 100644
--- a/docs/data/charts/lines/LineDataset.js
+++ b/docs/data/charts/lines/LineDataset.js
@@ -16,7 +16,6 @@ const customize = {
   height: 300,
   legend: { hidden: true },
   margin: { top: 5 },
-  stackingOrder: 'descending',
 };
 
 export default function LineDataset() {
diff --git a/docs/data/charts/lines/LineDataset.tsx b/docs/data/charts/lines/LineDataset.tsx
index e83449b420c3..fb00e63ac534 100644
--- a/docs/data/charts/lines/LineDataset.tsx
+++ b/docs/data/charts/lines/LineDataset.tsx
@@ -16,7 +16,6 @@ const customize = {
   height: 300,
   legend: { hidden: true },
   margin: { top: 5 },
-  stackingOrder: 'descending',
 };
 
 export default function LineDataset() {
diff --git a/docs/data/charts/scatter/ColorScale.js b/docs/data/charts/scatter/ColorScale.js
index 5c046a3de76d..627ffffda607 100644
--- a/docs/data/charts/scatter/ColorScale.js
+++ b/docs/data/charts/scatter/ColorScale.js
@@ -262,6 +262,6 @@ function getGaussianSeriesData(mean, stdev = [0.5, 0.5], N = 50) {
         Math.cos(2.0 * Math.PI * chance.floating({ min: 0, max: 0.99 })) *
         stdev[1] +
       mean[1];
-    return { x, y, z: x + y, id: i };
+    return { x, y, z: x + y, id: `${mean.join(',')}${i}` };
   });
 }
diff --git a/docs/data/charts/scatter/ColorScale.tsx b/docs/data/charts/scatter/ColorScale.tsx
index 2a2a81061e84..41a56a843b06 100644
--- a/docs/data/charts/scatter/ColorScale.tsx
+++ b/docs/data/charts/scatter/ColorScale.tsx
@@ -283,6 +283,6 @@ function getGaussianSeriesData(
         Math.cos(2.0 * Math.PI * chance.floating({ min: 0, max: 0.99 })) *
         stdev[1] +
       mean[1];
-    return { x, y, z: x + y, id: i };
+    return { x, y, z: x + y, id: `${mean.join(',')}${i}` };
   });
 }
diff --git a/docs/data/charts/styling/CustomOverlay.js b/docs/data/charts/styling/CustomOverlay.js
index 502ce26a93e2..d9a8a09a3275 100644
--- a/docs/data/charts/styling/CustomOverlay.js
+++ b/docs/data/charts/styling/CustomOverlay.js
@@ -36,6 +36,7 @@ function LoadingOverlay() {
 
         return (
           <LoadingReact
+            key={index}
             x={xScale(item)}
             width={bandWidth}
             y={bottom - barHeight}
diff --git a/docs/data/charts/styling/CustomOverlay.tsx b/docs/data/charts/styling/CustomOverlay.tsx
index 99af073ed8d5..57c64823df34 100644
--- a/docs/data/charts/styling/CustomOverlay.tsx
+++ b/docs/data/charts/styling/CustomOverlay.tsx
@@ -36,6 +36,7 @@ function LoadingOverlay() {
 
         return (
           <LoadingReact
+            key={index}
             x={xScale(item)}
             width={bandWidth}
             y={bottom - barHeight}