diff --git a/packages/kbn-field-utils/src/types.ts b/packages/kbn-field-utils/src/types.ts
index 4899ca6daad33..43b790ec9326b 100644
--- a/packages/kbn-field-utils/src/types.ts
+++ b/packages/kbn-field-utils/src/types.ts
@@ -21,7 +21,7 @@ export interface FieldBase {
   timeSeriesMetric?: DataViewField['timeSeriesMetric'];
   esTypes?: DataViewField['esTypes'];
   scripted?: DataViewField['scripted'];
-  empty?: DataViewField['empty'];
+  isNull?: DataViewField['isNull'];
   conflictDescriptions?: Record<string, string[]>;
 }
 
diff --git a/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.test.tsx b/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.test.tsx
index 69723b012409b..c2a2379a676e1 100644
--- a/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.test.tsx
+++ b/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.test.tsx
@@ -472,13 +472,13 @@ describe('UnifiedFieldList useGroupedFields()', () => {
     expect(fieldListGroupedProps.fieldsExistInIndex).toBe(true);
   });
 
-  it('should work correctly for text-based queries (no data view) with empty fields', async () => {
+  it('should work correctly for text-based queries (no data view) with isNull fields', async () => {
     const allFieldsEmpty = [...new Array(2)].flatMap((_, index) =>
       allFields.map((field) => {
         return new DataViewField({
           ...field.toSpec(),
           name: `${field.name}${index || ''}`,
-          empty: true,
+          isNull: true,
         });
       })
     );
diff --git a/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.ts b/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.ts
index ce574acc153f1..cb4beb0648327 100644
--- a/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.ts
+++ b/packages/kbn-unified-field-list/src/hooks/use_grouped_fields.ts
@@ -157,7 +157,7 @@ export function useGroupedFields<T extends FieldListItem = DataViewField>({
           return 'availableFields';
         }
 
-        if (field?.empty) {
+        if (field?.isNull) {
           return 'emptyFields';
         }
         if (dataView?.getFieldByName && !dataView.getFieldByName(field.name)) {
diff --git a/src/plugins/data_views/common/fields/data_view_field.ts b/src/plugins/data_views/common/fields/data_view_field.ts
index 213f9193455db..36cd78682aa97 100644
--- a/src/plugins/data_views/common/fields/data_view_field.ts
+++ b/src/plugins/data_views/common/fields/data_view_field.ts
@@ -309,8 +309,8 @@ export class DataViewField implements DataViewFieldBase {
    * Returns true if field is Empty
    */
 
-  public get empty() {
-    return Boolean(this.spec.empty);
+  public get isNull() {
+    return Boolean(this.spec.isNull);
   }
 
   /**
diff --git a/src/plugins/data_views/common/types.ts b/src/plugins/data_views/common/types.ts
index 726fdb62c2f48..5f599cbf31894 100644
--- a/src/plugins/data_views/common/types.ts
+++ b/src/plugins/data_views/common/types.ts
@@ -410,7 +410,7 @@ export type FieldSpec = DataViewFieldBase & {
   /**
    * True if field is empty
    */
-  empty?: boolean;
+  isNull?: boolean;
   /**
    * True if can be read from doc values
    */
diff --git a/src/plugins/discover/public/application/main/components/sidebar/lib/get_field_list.ts b/src/plugins/discover/public/application/main/components/sidebar/lib/get_field_list.ts
index e8ddc9b592d38..487f0faf7a046 100644
--- a/src/plugins/discover/public/application/main/components/sidebar/lib/get_field_list.ts
+++ b/src/plugins/discover/public/application/main/components/sidebar/lib/get_field_list.ts
@@ -74,7 +74,7 @@ export function getTextBasedQueryFieldList(
         type: column.meta?.type ?? 'unknown',
         searchable: false,
         aggregatable: false,
-        empty: Boolean(column?.isNull),
+        isNull: Boolean(column?.isNull),
       })
   );
 }