diff --git a/superset-frontend/src/components/AlteredSliceTag/AlteredSliceTagMocks.ts b/superset-frontend/src/components/AlteredSliceTag/AlteredSliceTagMocks.ts
index 6428b503b85ad..30867bdb988ca 100644
--- a/superset-frontend/src/components/AlteredSliceTag/AlteredSliceTagMocks.ts
+++ b/superset-frontend/src/components/AlteredSliceTag/AlteredSliceTagMocks.ts
@@ -18,7 +18,7 @@
  */
 import { QueryFormData } from '@superset-ui/core';
 import { ControlPanelConfig } from '@superset-ui/chart-controls';
-import { DiffType, RowType } from './index';
+import { RowType } from './index';
 
 export const defaultProps: Record<string, Partial<QueryFormData>> = {
   origFormData: {
@@ -60,7 +60,7 @@ export const defaultProps: Record<string, Partial<QueryFormData>> = {
   },
 };
 
-export const expectedDiffs: Record<string, DiffType> = {
+export const expectedDiffs: Record<string, Partial<QueryFormData>> = {
   adhoc_filters: {
     before: [
       {