diff --git a/src/app/core/models/basket/basket.model.ts b/src/app/core/models/basket/basket.model.ts
index 68ad50c864..8fa6225523 100644
--- a/src/app/core/models/basket/basket.model.ts
+++ b/src/app/core/models/basket/basket.model.ts
@@ -29,9 +29,9 @@ export interface AbstractBasket<T> {
   attributes?: Attribute[];
 }
 
-export interface Basket extends AbstractBasket<LineItem> {}
+export type Basket = AbstractBasket<LineItem>;
 
-export interface BasketView extends AbstractBasket<LineItemView> {}
+export type BasketView = AbstractBasket<LineItemView>;
 
 export const createBasketView = (
   basket: Basket,
diff --git a/src/app/core/store/content/includes/includes.reducer.ts b/src/app/core/store/content/includes/includes.reducer.ts
index 25c756cfb0..db26bace25 100644
--- a/src/app/core/store/content/includes/includes.reducer.ts
+++ b/src/app/core/store/content/includes/includes.reducer.ts
@@ -9,7 +9,7 @@ export const includesAdapter = createEntityAdapter<ContentPageletEntryPoint>({
   selectId: contentInclude => contentInclude.id,
 });
 
-export interface IncludesState extends EntityState<ContentPageletEntryPoint> {}
+export type IncludesState = EntityState<ContentPageletEntryPoint>;
 
 const initialState: IncludesState = includesAdapter.getInitialState({});
 
diff --git a/src/app/core/store/content/pagelets/pagelets.reducer.ts b/src/app/core/store/content/pagelets/pagelets.reducer.ts
index 7bae9a8b74..3427a73a9b 100644
--- a/src/app/core/store/content/pagelets/pagelets.reducer.ts
+++ b/src/app/core/store/content/pagelets/pagelets.reducer.ts
@@ -6,7 +6,7 @@ import { loadContentIncludeSuccess } from 'ish-core/store/content/includes/inclu
 import { loadContentPageSuccess } from 'ish-core/store/content/pages/pages.actions';
 import { loadViewContextEntrypointSuccess } from 'ish-core/store/content/viewcontexts/viewcontexts.actions';
 
-export interface PageletsState extends EntityState<ContentPagelet> {}
+export type PageletsState = EntityState<ContentPagelet>;
 
 export const pageletsAdapter = createEntityAdapter<ContentPagelet>();
 
diff --git a/src/app/core/store/content/viewcontexts/viewcontexts.reducer.ts b/src/app/core/store/content/viewcontexts/viewcontexts.reducer.ts
index 5564398edd..cc1be353a9 100644
--- a/src/app/core/store/content/viewcontexts/viewcontexts.reducer.ts
+++ b/src/app/core/store/content/viewcontexts/viewcontexts.reducer.ts
@@ -25,7 +25,7 @@ export const viewcontextsAdapter = createEntityAdapter<ContentPageletEntryPointW
   selectId: viewcontext => serializeContextSpecificViewContextId(viewcontext.viewContextId, viewcontext.callParameters),
 });
 
-export interface ViewcontextsState extends EntityState<ContentPageletEntryPointWithContext> {}
+export type ViewcontextsState = EntityState<ContentPageletEntryPointWithContext>;
 
 const initialState: ViewcontextsState = viewcontextsAdapter.getInitialState({});
 
diff --git a/src/app/core/store/general/countries/countries.reducer.ts b/src/app/core/store/general/countries/countries.reducer.ts
index 06e196c9d8..81c1b735d3 100644
--- a/src/app/core/store/general/countries/countries.reducer.ts
+++ b/src/app/core/store/general/countries/countries.reducer.ts
@@ -9,7 +9,7 @@ export const countryAdapter = createEntityAdapter<Country>({
   selectId: country => country.countryCode,
 });
 
-export interface CountriesState extends EntityState<Country> {}
+export type CountriesState = EntityState<Country>;
 
 const initialState: CountriesState = countryAdapter.getInitialState({});
 
diff --git a/src/app/core/store/shopping/promotions/promotions.reducer.ts b/src/app/core/store/shopping/promotions/promotions.reducer.ts
index 1ed0f3c12a..f3b46f8bd0 100644
--- a/src/app/core/store/shopping/promotions/promotions.reducer.ts
+++ b/src/app/core/store/shopping/promotions/promotions.reducer.ts
@@ -9,7 +9,7 @@ export const promotionAdapter = createEntityAdapter<Promotion>({
   selectId: promotion => promotion.id,
 });
 
-export interface PromotionsState extends EntityState<Promotion> {}
+export type PromotionsState = EntityState<Promotion>;
 
 const initialState: PromotionsState = promotionAdapter.getInitialState({});
 
diff --git a/src/app/core/store/shopping/search/search.reducer.ts b/src/app/core/store/shopping/search/search.reducer.ts
index 2db952d92c..a8842b8ca0 100644
--- a/src/app/core/store/shopping/search/search.reducer.ts
+++ b/src/app/core/store/shopping/search/search.reducer.ts
@@ -14,7 +14,7 @@ export const searchAdapter = createEntityAdapter<SuggestSearch>({
   selectId: search => search.searchTerm,
 });
 
-export interface SearchState extends EntityState<SuggestSearch> {}
+export type SearchState = EntityState<SuggestSearch>;
 
 const initialState: SearchState = searchAdapter.getInitialState({});
 
diff --git a/src/app/extensions/tacton/store/saved-tacton-configuration/saved-tacton-configuration.reducer.ts b/src/app/extensions/tacton/store/saved-tacton-configuration/saved-tacton-configuration.reducer.ts
index 2593908f75..518d64922c 100644
--- a/src/app/extensions/tacton/store/saved-tacton-configuration/saved-tacton-configuration.reducer.ts
+++ b/src/app/extensions/tacton/store/saved-tacton-configuration/saved-tacton-configuration.reducer.ts
@@ -8,7 +8,7 @@ import { submitTactonConfigurationFail, submitTactonConfigurationSuccess } from
 
 import { saveTactonConfigurationReference } from './saved-tacton-configuration.actions';
 
-export interface SavedTactonConfigurationState extends EntityState<TactonSavedConfiguration> {}
+export type SavedTactonConfigurationState = EntityState<TactonSavedConfiguration>;
 
 export function makeTactonSavedConfigurationReference(user: string, productId: string): string {
   return `${user || 'anonymous'}:${productId}`;