diff --git a/Marechai/Areas/Admin/Views/InstructionSetExtensions/Delete.cshtml b/Marechai/Areas/Admin/Views/InstructionSetExtensions/Delete.cshtml
deleted file mode 100644
index ee2ef16c..00000000
--- a/Marechai/Areas/Admin/Views/InstructionSetExtensions/Delete.cshtml
+++ /dev/null
@@ -1,57 +0,0 @@
-@{
-    /******************************************************************************
-// MARECHAI: Master repository of computing history artifacts information
-// ----------------------------------------------------------------------------
-//
-// Filename       : Delete.cshtml
-// Author(s)      : Natalia Portillo <claunia@claunia.com>
-//
-// --[ Description ] ----------------------------------------------------------
-//
-//     Admin view delete
-//
-// --[ License ] --------------------------------------------------------------
-//
-//     This program is free software: you can redistribute it and/or modify
-//     it under the terms of the GNU General Public License as
-//     published by the Free Software Foundation, either version 3 of the
-//     License, or (at your option) any later version.
-//
-//     This program is distributed in the hope that it will be useful,
-//     but WITHOUT ANY WARRANTY; without even the implied warranty of
-//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//     GNU General Public License for more details.
-//
-//     You should have received a copy of the GNU General Public License
-//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-//
-// ----------------------------------------------------------------------------
-// Copyright © 2003-2020 Natalia Portillo
-*******************************************************************************/
-}
-@model Marechai.Database.Models.InstructionSetExtension
-
-@{
-    ViewData["Title"] = "Delete";
-}
-<h2>Delete</h2>
-<h3>Are you sure you want to delete this?</h3>
-<div>
-    <h4>Instruction set extension</h4>
-    <hr />
-    <dl class="dl-horizontal">
-        <dt>
-            @Html.DisplayNameFor(model => model.Extension)
-        </dt>
-        <dd>
-            @Html.DisplayFor(model => model.Extension)
-        </dd>
-    </dl>
-    <form asp-action="Delete">
-        <input type="hidden" asp-for="Id" />
-        <input class="btn btn-danger" type="submit" value="Delete" />
-        <a asp-action="Index" class="btn btn-secondary">
-            Back to List
-        </a>
-    </form>
-</div>
\ No newline at end of file
diff --git a/Marechai/Pages/Admin/InstructionSetExtensions.razor b/Marechai/Pages/Admin/InstructionSetExtensions.razor
index dd6f4386..714a26a3 100644
--- a/Marechai/Pages/Admin/InstructionSetExtensions.razor
+++ b/Marechai/Pages/Admin/InstructionSetExtensions.razor
@@ -31,7 +31,6 @@
 }
 
 @page "/admin/instruction_set_extensions"
-@using Marechai.Database.Models
 @inherits OwningComponentBase<InstructionSetExtensionsService>
 @inject IStringLocalizer<InstructionSetExtensionsService> L
 @attribute [Authorize(Roles = "UberAdmin, Admin")]
@@ -70,21 +69,26 @@
                 <span class="btn btn-secondary">
                     @L["Edit"]
                 </span>
-                <span class="btn btn-danger">
-                    @L["Delete"]
-                </span>
+                <Button Color="Color.Danger" Clicked="() => {ShowModal(item.Id);}">@L["Delete"]</Button>
             </td>
         </tr>
     }
     </tbody>
 </table>
 
-@code
-{
-    List<InstructionSetExtension> _extensions;
-
-    protected override async Task OnInitializedAsync()
-    {
-        _extensions = await Service.GetAsync();
-    }
-}
\ No newline at end of file
+<Modal @ref="_frmDelete" IsCentered="true" Closing="@ModalClosing"> 
+    <ModalBackdrop/>
+    <ModalContent Centered="true">
+        <ModalHeader>
+            <ModalTitle>@L["Delete extension"]</ModalTitle>
+            <CloseButton Clicked="@HideModal"/>
+        </ModalHeader>
+        <ModalBody>
+            <Text>@string.Format(@L["Are you sure you want to delete {0}?"], _extension?.Extension)</Text>
+        </ModalBody>
+        <ModalFooter>
+            <Button Color="Color.Primary" Clicked="@HideModal" Disabled="@_deleteInProgress">@L["Cancel"]</Button>
+            <Button Color="Color.Danger" Clicked="@ConfirmDelete" Disabled="@_deleteInProgress">@L["Delete"]</Button>
+        </ModalFooter>
+    </ModalContent>
+</Modal>
diff --git a/Marechai/Pages/Admin/InstructionSetExtensions.razor.cs b/Marechai/Pages/Admin/InstructionSetExtensions.razor.cs
new file mode 100644
index 00000000..f53a9c6d
--- /dev/null
+++ b/Marechai/Pages/Admin/InstructionSetExtensions.razor.cs
@@ -0,0 +1,52 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Blazorise;
+using Marechai.Database.Models;
+
+namespace Marechai.Pages.Admin
+{
+    public partial class InstructionSetExtensions
+    {
+        bool                          _deleteInProgress;
+        InstructionSetExtension       _extension;
+        List<InstructionSetExtension> _extensions;
+        Modal                         _frmDelete;
+
+        void ShowModal(int itemId)
+        {
+            _extension = _extensions.FirstOrDefault(n => n.Id == itemId);
+            _frmDelete.Show();
+        }
+
+        void HideModal() => _frmDelete.Hide();
+
+        async void ConfirmDelete()
+        {
+            if(_extension is null)
+                return;
+
+            _deleteInProgress = true;
+            _extensions       = null;
+
+            // Yield thread to let UI to update
+            await Task.Yield();
+
+            await Service.DeleteAsync(_extension.Id);
+            _extensions = await Service.GetAsync();
+
+            _deleteInProgress = false;
+            _frmDelete.Hide();
+
+            // Yield thread to let UI to update
+            await Task.Yield();
+
+            // Tell we finished loading
+            StateHasChanged();
+        }
+
+        void ModalClosing(ModalClosingEventArgs obj) => _extension = null;
+
+        protected override async Task OnInitializedAsync() => _extensions = await Service.GetAsync();
+    }
+}
\ No newline at end of file
diff --git a/Marechai/Resources/Services/InstructionSetExtensionsService.es.resx b/Marechai/Resources/Services/InstructionSetExtensionsService.es.resx
index 613927b0..e2cdf818 100644
--- a/Marechai/Resources/Services/InstructionSetExtensionsService.es.resx
+++ b/Marechai/Resources/Services/InstructionSetExtensionsService.es.resx
@@ -146,4 +146,16 @@
     <value>Eliminar</value>
     <comment>Delete</comment>
   </data>
+  <data name="Delete extension" xml:space="preserve">
+    <value>Eliminar extensión</value>
+    <comment>Delete extension</comment>
+  </data>
+  <data name="Are you sure you want to delete {0}?" xml:space="preserve">
+    <value>¿Está seguro de que desea borrar {0}?</value>
+    <comment>{0} instruction set extension name</comment>
+  </data>
+  <data name="Cancel" xml:space="preserve">
+    <value>Cancelar</value>
+    <comment>Cancel</comment>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Marechai/Services/InstructionSetExtensionsService.cs b/Marechai/Services/InstructionSetExtensionsService.cs
index 76402de6..2287919b 100644
--- a/Marechai/Services/InstructionSetExtensionsService.cs
+++ b/Marechai/Services/InstructionSetExtensionsService.cs
@@ -14,5 +14,17 @@ namespace Marechai.Services
 
         public async Task<List<InstructionSetExtension>> GetAsync() =>
             await _context.InstructionSetExtensions.OrderBy(e => e.Extension).ToListAsync();
+
+        public async Task DeleteAsync(int id)
+        {
+            InstructionSetExtension item = await _context.InstructionSetExtensions.FindAsync(id);
+
+            if(item is null)
+                return;
+
+            _context.InstructionSetExtensions.Remove(item);
+
+            await _context.SaveChangesAsync();
+        }
     }
 }
\ No newline at end of file