diff --git a/src/modules/feeds/domain/FeedActivity.ts b/src/modules/feeds/domain/FeedActivity.ts
index ebe4d9d2..f709a285 100644
--- a/src/modules/feeds/domain/FeedActivity.ts
+++ b/src/modules/feeds/domain/FeedActivity.ts
@@ -51,10 +51,7 @@ export class FeedActivity extends Entity<ActivityProps> {
 
   // Type guards for metadata
   get cardCollected(): boolean {
-    return (
-      this.props.type.value === ActivityTypeEnum.CARD_ADDED_TO_LIBRARY ||
-      this.props.type.value === ActivityTypeEnum.CARD_ADDED_TO_COLLECTION
-    );
+    return this.props.type.value === ActivityTypeEnum.CARD_COLLECTED;
   }
 
   private constructor(props: ActivityProps, id?: UniqueEntityID) {
diff --git a/src/modules/feeds/domain/services/FeedService.ts b/src/modules/feeds/domain/services/FeedService.ts
index 498df68c..54bf9688 100644
--- a/src/modules/feeds/domain/services/FeedService.ts
+++ b/src/modules/feeds/domain/services/FeedService.ts
@@ -16,42 +16,10 @@ export class FeedServiceError extends Error {
 export class FeedService implements DomainService {
   constructor(private feedRepository: IFeedRepository) {}
 
-  async addCardAddedToLibraryActivity(
+  async addCardCollectedActivity(
     actorId: CuratorId,
     cardId: CardId,
-  ): Promise<Result<FeedActivity, FeedServiceError>> {
-    try {
-      const activityResult = FeedActivity.createCardCollected(actorId, cardId);
-
-      if (activityResult.isErr()) {
-        return err(new FeedServiceError(activityResult.error.message));
-      }
-
-      const activity = activityResult.value;
-      const saveResult = await this.feedRepository.addActivity(activity);
-
-      if (saveResult.isErr()) {
-        return err(
-          new FeedServiceError(
-            `Failed to save activity: ${saveResult.error.message}`,
-          ),
-        );
-      }
-
-      return ok(activity);
-    } catch (error) {
-      return err(
-        new FeedServiceError(
-          `Unexpected error: ${error instanceof Error ? error.message : 'Unknown error'}`,
-        ),
-      );
-    }
-  }
-
-  async addCardAddedToCollectionActivity(
-    actorId: CuratorId,
-    cardId: CardId,
-    collectionIds: CollectionId[],
+    collectionIds?: CollectionId[],
   ): Promise<Result<FeedActivity, FeedServiceError>> {
     try {
       const activityResult = FeedActivity.createCardCollected(
diff --git a/src/modules/feeds/domain/value-objects/ActivityType.ts b/src/modules/feeds/domain/value-objects/ActivityType.ts
index ee30cd02..95fbac6c 100644
--- a/src/modules/feeds/domain/value-objects/ActivityType.ts
+++ b/src/modules/feeds/domain/value-objects/ActivityType.ts
@@ -2,8 +2,7 @@ import { ValueObject } from '../../../../shared/domain/ValueObject';
 import { Result, ok, err } from '../../../../shared/core/Result';
 
 export enum ActivityTypeEnum {
-  CARD_ADDED_TO_LIBRARY = 'CARD_ADDED_TO_LIBRARY',
-  CARD_ADDED_TO_COLLECTION = 'CARD_ADDED_TO_COLLECTION',
+  CARD_COLLECTED = 'CARD_COLLECTED',
 }
 
 interface ActivityTypeProps {
@@ -26,11 +25,7 @@ export class ActivityType extends ValueObject<ActivityTypeProps> {
     return ok(new ActivityType({ value: type }));
   }
 
-  public static cardAddedToLibrary(): Result<ActivityType> {
-    return this.create(ActivityTypeEnum.CARD_ADDED_TO_LIBRARY);
-  }
-
-  public static cardAddedToCollection(): Result<ActivityType> {
-    return this.create(ActivityTypeEnum.CARD_ADDED_TO_COLLECTION);
+  public static cardCollected(): Result<ActivityType> {
+    return this.create(ActivityTypeEnum.CARD_COLLECTED);
   }
 }