diff --git a/x-pack/plugins/observability/public/pages/alerts/alerts_table_t_grid.tsx b/x-pack/plugins/observability/public/pages/alerts/alerts_table_t_grid.tsx
index bbbd81b4e49eae..9d023a290d8792 100644
--- a/x-pack/plugins/observability/public/pages/alerts/alerts_table_t_grid.tsx
+++ b/x-pack/plugins/observability/public/pages/alerts/alerts_table_t_grid.tsx
@@ -33,7 +33,7 @@ import {
   EuiDataGridColumn,
   EuiFlexGroup,
   EuiFlexItem,
-  EuiContextMenu,
+  EuiContextMenuPanel,
   EuiPopover,
 } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
@@ -219,26 +219,21 @@ function ObservabilityActions({
     onUpdateFailure: onAlertStatusUpdated,
   });
 
-  const actionsPanels = useMemo(() => {
+  const actionsMenuItems = useMemo(() => {
     return [
-      {
-        id: 0,
-        content: [
-          timelines.getAddToExistingCaseButton({
-            event,
-            casePermissions,
-            appId: observabilityFeatureId,
-            onClose: afterCaseSelection,
-          }),
-          timelines.getAddToNewCaseButton({
-            event,
-            casePermissions,
-            appId: observabilityFeatureId,
-            onClose: afterCaseSelection,
-          }),
-          ...(alertPermissions.crud ? statusActionItems : []),
-        ],
-      },
+      timelines.getAddToExistingCaseButton({
+        event,
+        casePermissions,
+        appId: observabilityFeatureId,
+        onClose: afterCaseSelection,
+      }),
+      timelines.getAddToNewCaseButton({
+        event,
+        casePermissions,
+        appId: observabilityFeatureId,
+        onClose: afterCaseSelection,
+      }),
+      ...(alertPermissions.crud ? statusActionItems : []),
     ];
   }, [afterCaseSelection, casePermissions, timelines, event, statusActionItems, alertPermissions]);
 
@@ -279,7 +274,7 @@ function ObservabilityActions({
             panelPaddingSize="none"
             anchorPosition="downLeft"
           >
-            <EuiContextMenu panels={actionsPanels} initialPanelId={0} />
+            <EuiContextMenuPanel size="s" items={actionsMenuItems} />
           </EuiPopover>
         </EuiFlexItem>
       </EuiFlexGroup>
diff --git a/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_existing_case_button.tsx b/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_existing_case_button.tsx
index 1a3c8267f946ce..37aeb04fdbfa2f 100644
--- a/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_existing_case_button.tsx
+++ b/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_existing_case_button.tsx
@@ -33,7 +33,6 @@ const AddToCaseActionComponent: React.FC<AddToCaseActionProps> = ({
         <EuiContextMenuItem
           aria-label={ariaLabel}
           data-test-subj="attach-alert-to-case-button"
-          size="s"
           onClick={addExistingCaseClick}
           disabled={isDisabled}
         >
diff --git a/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_new_case_button.tsx b/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_new_case_button.tsx
index 7585382b148204..16324ba3bae684 100644
--- a/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_new_case_button.tsx
+++ b/x-pack/plugins/timelines/public/components/actions/timeline/cases/add_to_new_case_button.tsx
@@ -34,7 +34,6 @@ const AddToCaseActionComponent: React.FC<AddToCaseActionProps> = ({
         <EuiContextMenuItem
           aria-label={ariaLabel}
           data-test-subj="attach-alert-to-case-button"
-          size="s"
           onClick={addNewCaseClick}
           disabled={isDisabled}
         >
diff --git a/x-pack/plugins/timelines/public/components/t_grid/toolbar/bulk_actions/index.tsx b/x-pack/plugins/timelines/public/components/t_grid/toolbar/bulk_actions/index.tsx
index bda2f24bc7dd23..680da584b382ea 100644
--- a/x-pack/plugins/timelines/public/components/t_grid/toolbar/bulk_actions/index.tsx
+++ b/x-pack/plugins/timelines/public/components/t_grid/toolbar/bulk_actions/index.tsx
@@ -96,7 +96,7 @@ const BulkActionsComponent: React.FC<BulkActionsProps> = ({
       <EuiPopover
         isOpen={isActionsPopoverOpen}
         anchorPosition="upCenter"
-        panelPaddingSize="s"
+        panelPaddingSize="none"
         button={
           <EuiButtonEmpty
             aria-label="selectedShowBulkActions"
diff --git a/x-pack/plugins/timelines/public/hooks/use_status_bulk_action_items.tsx b/x-pack/plugins/timelines/public/hooks/use_status_bulk_action_items.tsx
index bab9f641d97240..8fd637767a387c 100644
--- a/x-pack/plugins/timelines/public/hooks/use_status_bulk_action_items.tsx
+++ b/x-pack/plugins/timelines/public/hooks/use_status_bulk_action_items.tsx
@@ -127,7 +127,6 @@ export const useStatusBulkActionItems = ({
           key="open"
           data-test-subj="open-alert-status"
           onClick={() => onClickUpdate(FILTER_OPEN)}
-          size="s"
         >
           {i18n.BULK_ACTION_OPEN_SELECTED}
         </EuiContextMenuItem>
@@ -139,7 +138,6 @@ export const useStatusBulkActionItems = ({
           key="acknowledge"
           data-test-subj="acknowledged-alert-status"
           onClick={() => onClickUpdate(FILTER_ACKNOWLEDGED)}
-          size="s"
         >
           {i18n.BULK_ACTION_ACKNOWLEDGED_SELECTED}
         </EuiContextMenuItem>
@@ -151,7 +149,6 @@ export const useStatusBulkActionItems = ({
           key="close"
           data-test-subj="close-alert-status"
           onClick={() => onClickUpdate(FILTER_CLOSED)}
-          size="s"
         >
           {i18n.BULK_ACTION_CLOSE_SELECTED}
         </EuiContextMenuItem>