diff --git a/component/api/src/main/java/org/exoplatform/social/attachment/AttachmentService.java b/component/api/src/main/java/org/exoplatform/social/attachment/AttachmentService.java
index 4d216a22965..a810580cacd 100644
--- a/component/api/src/main/java/org/exoplatform/social/attachment/AttachmentService.java
+++ b/component/api/src/main/java/org/exoplatform/social/attachment/AttachmentService.java
@@ -292,18 +292,6 @@ InputStream getAttachmentInputStream(String objectType,
    */
   Map<String, AttachmentPlugin> getAttachmentPlugins();
 
-  /**
-   * Copies attachments from a specified source object type to a specified destination object type.
-   *
-   * @param sourceObjectType          the type of the source object
-   * @param sourceObjectId            the ID of the source object
-   * @param destinationObjectType     the type of the destination object
-   * @param destinationObjectId       the ID of the destination object
-   * @param destinationParentObjectId the ID of the destination's parent object
-   * @param userIdentityId            the ID of the user performing the operation
-   */
-  void copyAttachments(String sourceObjectType, String sourceObjectId, String destinationObjectType, String destinationObjectId, String destinationParentObjectId, long userIdentityId);
-
   /**
    * Moves attachments from a specified source object type to a specified destination object type.
    *
diff --git a/component/core/src/main/java/org/exoplatform/social/core/attachment/AttachmentServiceImpl.java b/component/core/src/main/java/org/exoplatform/social/core/attachment/AttachmentServiceImpl.java
index b3c4ddaa6a2..b96fc8a169f 100644
--- a/component/core/src/main/java/org/exoplatform/social/core/attachment/AttachmentServiceImpl.java
+++ b/component/core/src/main/java/org/exoplatform/social/core/attachment/AttachmentServiceImpl.java
@@ -327,36 +327,6 @@ public boolean hasEditPermission(Identity userIdentity, String objectType, Strin
     return attachmentPlugin != null && attachmentPlugin.hasEditPermission(userIdentity, objectId);
   }
 
-  @Override
-  public void copyAttachments(String sourceObjectType,
-                              String sourceObjectId,
-                              String destinationObjectType,
-                              String destinationObjectId,
-                              String destinationParentObjectId,
-                              long userIdentityId) {
-    ObjectAttachmentList objectAttachmentList = getAttachments(sourceObjectType, sourceObjectId);
-    List<ObjectAttachmentDetail> attachments = objectAttachmentList.getAttachments();
-    if (CollectionUtils.isNotEmpty(attachments)) {
-      attachments.forEach(attachment -> {
-        String altText = attachment.getAltText();
-        String format = attachment.getFormat();
-        Map<String, String> properties = new HashMap<>();
-        properties.put(ATTACHMENT_ALT_TEXT, altText);
-        properties.put(ATTACHMENT_FORMAT, format);
-        try {
-          createAttachment(attachment.getId(),
-                           destinationObjectType,
-                           destinationObjectId,
-                           destinationParentObjectId,
-                           userIdentityId,
-                           properties);
-        } catch (Exception e) {
-          LOG.error("Error when creating attachment", e);
-        }
-      });
-    }
-  }
-
   @Override
   public void moveAttachments(String sourceObjectType,
                               String sourceObjectId,
diff --git a/component/core/src/test/java/org/exoplatform/social/attachment/AttachmentServiceTest.java b/component/core/src/test/java/org/exoplatform/social/attachment/AttachmentServiceTest.java
index 00972b5d62f..58d63dd388e 100644
--- a/component/core/src/test/java/org/exoplatform/social/attachment/AttachmentServiceTest.java
+++ b/component/core/src/test/java/org/exoplatform/social/attachment/AttachmentServiceTest.java
@@ -414,27 +414,4 @@ public void testMoveAttachments() throws Exception { // NOSONAR
     assertEquals(0, sourceObjectAttachmentList.getAttachments().size());
   }
 
-  public void testCopyAttachments() throws Exception { // NOSONAR
-    startSessionAndRegisterAs(USERNAME);
-    String identityId = identityManager.getOrCreateUserIdentity(USERNAME).getId();
-    String fileId = createAttachment(USERNAME);
-
-    String destinationObjectId = "destinationObjectId" + System.currentTimeMillis();
-    String destinationParentObjectId = null;
-
-    attachmentService.copyAttachments(OBJECT_TYPE, objectId, DEST_OBJECT_TYPE, destinationObjectId, destinationParentObjectId, Long.parseLong(identityId));
-
-    // Verify the attachments are copied to the destination object
-    ObjectAttachmentList destinationObjectAttachmentList = attachmentService.getAttachments(DEST_OBJECT_TYPE, destinationObjectId);
-    assertNotNull(destinationObjectAttachmentList);
-    assertEquals(1, destinationObjectAttachmentList.getAttachments().size());
-    assertEquals(fileId, destinationObjectAttachmentList.getAttachments().get(0).getId());
-
-    // Verify the attachments are still present in the source object
-    ObjectAttachmentList sourceObjectAttachmentList = attachmentService.getAttachments(OBJECT_TYPE, objectId);
-    assertNotNull(sourceObjectAttachmentList);
-    assertEquals(1, sourceObjectAttachmentList.getAttachments().size());
-    assertEquals(fileId, destinationObjectAttachmentList.getAttachments().get(0).getId());
-  }
-
 }