diff --git a/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor b/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor
index 1b33a17..364ef47 100644
--- a/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor
+++ b/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor
@@ -183,7 +183,7 @@
                 {
                     foreach (var file in ActivityFileList)
                     {
-                        <MudChip T="string" OnClick="() => OpenAttached(file.Id, file.FileName)" Color="Color.Default">
+                        <MudChip T="string" OnClick="() => OpenAttached(file.Id, file.FileName)" OnClose="() => DeleteAttach(file)" Color="Color.Default">
                             @file.FileName
                         </MudChip>
                     }
@@ -700,6 +700,33 @@
         }
     }
 
+    private async Task DeleteAttach(ActivityFileDto file)
+    {
+        Snackbar.Clear();
+
+        if (ActivityFileList == null) return;
+
+        try
+        {
+            ActivityFileList.Remove(file);
+            StateHasChanged();
+
+            await IntegryApiService.DeleteFile(ActivityModel.ActivityId!, file.FileName);
+        }
+        catch (Exception ex)
+        {
+            ActivityFileList.Add(file);
+            StateHasChanged();
+
+            Snackbar.Add("Impossibile eliminare il file", Severity.Error);
+            Console.WriteLine($"Impossibile eliminare il file: {ex.Message}");
+        }
+        finally
+        {
+            Snackbar.Add($"{file.FileName} eliminato con successo", Severity.Info);
+        }
+    }
+
     private async Task OpenAttached(AttachedDTO attached)
     {
         if (attached is { FileContent: not null, MimeType: not null })
diff --git a/salesbook.Shared/Core/Interface/IntegryApi/IIntegryApiService.cs b/salesbook.Shared/Core/Interface/IntegryApi/IIntegryApiService.cs
index 4ab03a5..ea44154 100644
--- a/salesbook.Shared/Core/Interface/IntegryApi/IIntegryApiService.cs
+++ b/salesbook.Shared/Core/Interface/IntegryApi/IIntegryApiService.cs
@@ -25,6 +25,7 @@ public interface IIntegryApiService
     Task<CRMTransferProspectResponseDTO> TransferProspect(CRMTransferProspectRequestDTO request);
 
     Task UploadFile(string id, byte[] file, string fileName);
+    Task DeleteFile(string activityId, string fileName);
     Task<List<ActivityFileDto>> GetActivityFile(string activityId);
     Task<Stream> DownloadFile(string activityId, string fileName);
     Task<Stream> DownloadFileFromRefUuid(string refUuid, string fileName);
diff --git a/salesbook.Shared/Core/Services/IntegryApiService.cs b/salesbook.Shared/Core/Services/IntegryApiService.cs
index 8519862..fe92db0 100644
--- a/salesbook.Shared/Core/Services/IntegryApiService.cs
+++ b/salesbook.Shared/Core/Services/IntegryApiService.cs
@@ -134,7 +134,18 @@ public class IntegryApiService(IIntegryApiRestClient integryApiRestClient, IUser
         fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse("multipart/form-data");
         content.Add(fileContent, "files", fileName);
 
-        return integryApiRestClient.Post<object>($"uploadStbActivityFileAttachment", content, queryParams);
+        return integryApiRestClient.Post<object>("uploadStbActivityFileAttachment", content, queryParams);
+    }
+
+    public Task DeleteFile(string activityId, string fileName)
+    {
+        var queryParams = new Dictionary<string, object>
+        {
+            { "activityId", activityId },
+            { "fileName", fileName }
+        };
+
+        return integryApiRestClient.Get<object>("activity/removeAttachment", queryParams);
     }
 
     public Task<List<ActivityFileDto>> GetActivityFile(string activityId)