diff --git a/superset-frontend/packages/superset-ui-chart-controls/src/types.ts b/superset-frontend/packages/superset-ui-chart-controls/src/types.ts
index 73985bfc743b9..6434026d00cdd 100644
--- a/superset-frontend/packages/superset-ui-chart-controls/src/types.ts
+++ b/superset-frontend/packages/superset-ui-chart-controls/src/types.ts
@@ -341,7 +341,7 @@ export interface ControlPanelSectionConfig {
 }
 
 export interface ControlPanelConfig {
-  controlPanelSections: ControlPanelSectionConfig[];
+  controlPanelSections: (ControlPanelSectionConfig | null)[];
   controlOverrides?: ControlOverrides;
   sectionOverrides?: SectionOverrides;
   onInit?: (state: ControlStateMapping) => void;
diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx b/superset-frontend/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx
index 80920af06dabb..e39c023661696 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/MixedTimeseries/controlPanel.tsx
@@ -278,6 +278,13 @@ function createAdvancedAnalyticsSection(
 const config: ControlPanelConfig = {
   controlPanelSections: [
     sections.legacyTimeseriesTime,
+    isFeatureEnabled(FeatureFlag.GENERIC_CHART_AXES)
+      ? {
+          label: t('Shared query fields'),
+          expanded: true,
+          controlSetRows: [[xAxisControl]],
+        }
+      : null,
     createQuerySection(t('Query A'), ''),
     createAdvancedAnalyticsSection(t('Advanced analytics Query A'), ''),
     createQuerySection(t('Query B'), '_b'),
@@ -447,12 +454,4 @@ const config: ControlPanelConfig = {
   ],
 };
 
-if (isFeatureEnabled(FeatureFlag.GENERIC_CHART_AXES)) {
-  config.controlPanelSections.splice(1, 0, {
-    label: t('Shared query fields'),
-    expanded: true,
-    controlSetRows: [[xAxisControl]],
-  });
-}
-
 export default config;