diff --git a/src/features/activity/view/drag_into_blanks_exercise/index.tsx b/src/features/activity/view/drag_into_blanks_exercise/index.tsx
index 2223763..04ab2d8 100644
--- a/src/features/activity/view/drag_into_blanks_exercise/index.tsx
+++ b/src/features/activity/view/drag_into_blanks_exercise/index.tsx
@@ -23,7 +23,6 @@ export function DragIntoBlanksExercise() {
       <div className={activityStyles["exercise-body"]}>
         <WrapperDndContext
           disabled={isSolved}
-          blanks={replies}
           board={dndBoard}
           startDragging={handleStartDragging}
           stopDragging={handleStopDragging}
diff --git a/src/features/activity/view/pair_texts_with_images_exercise/index.tsx b/src/features/activity/view/pair_texts_with_images_exercise/index.tsx
index 4357c34..59f02ef 100644
--- a/src/features/activity/view/pair_texts_with_images_exercise/index.tsx
+++ b/src/features/activity/view/pair_texts_with_images_exercise/index.tsx
@@ -24,7 +24,6 @@ export function PairTextsWithImagesExercise() {
       <div className={activityStyles["exercise-body"]}>
         <WrapperDndContext
           disabled={isSolved}
-          blanks={replies}
           board={dndBoard}
           startDragging={handleStartDragging}
           stopDragging={handleStopDragging}
diff --git a/src/features/activity/view_model/use_view_model.ts b/src/features/activity/view_model/use_view_model.ts
index c4a584b..76c0fff 100644
--- a/src/features/activity/view_model/use_view_model.ts
+++ b/src/features/activity/view_model/use_view_model.ts
@@ -4,7 +4,7 @@ import IDraggable from "@/lib/utils/dnd_setting/draggable";
 import IActivity from "@/lib/activity/activity";
 import IReply from "@/lib/exercise/reply";
 import * as ExerciseServices from "@/lib/exercise/exercise_services";
-import * as DndService from "@/lib/utils/dnd_setting/dnd_service";
+import * as DndService from "@/lib/utils/dnd_setting/dnd_services";
 
 export function useViewModel(
   activityData: IActivity,
diff --git a/src/lib/utils/dnd_setting/dnd_service.test.ts b/src/lib/utils/dnd_setting/dnd_services.test.ts
similarity index 99%
rename from src/lib/utils/dnd_setting/dnd_service.test.ts
rename to src/lib/utils/dnd_setting/dnd_services.test.ts
index ec9ec6b..5c16a78 100644
--- a/src/lib/utils/dnd_setting/dnd_service.test.ts
+++ b/src/lib/utils/dnd_setting/dnd_services.test.ts
@@ -1,5 +1,5 @@
 import IFillInBlanksExercise from "@/lib/exercise/fill_in_blanks_exercise/fill_in_blanks_exercise";
-import * as DndService from "./dnd_service";
+import * as DndService from "./dnd_services";
 
 describe("dnd_service module", () => {
   describe("stopDragging()", () => {
diff --git a/src/lib/utils/dnd_setting/dnd_service.ts b/src/lib/utils/dnd_setting/dnd_services.ts
similarity index 100%
rename from src/lib/utils/dnd_setting/dnd_service.ts
rename to src/lib/utils/dnd_setting/dnd_services.ts