diff --git a/frontend/app/components/CommentSection.vue b/frontend/app/components/CommentSection.vue
index 7c483a4..17e81c2 100644
--- a/frontend/app/components/CommentSection.vue
+++ b/frontend/app/components/CommentSection.vue
@@ -255,7 +255,16 @@ const handleResolve = async (commentId: string) => {
   }
 }
 
+const { confirm } = useConfirm()
+
 const handleDelete = async (commentId: string) => {
+  const ok = await confirm({
+    title: 'Supprimer ce commentaire ?',
+    message: 'Cette action est irréversible.',
+    confirmText: 'Supprimer',
+    dangerous: true,
+  })
+  if (!ok) return
   const result = await deleteComment(commentId)
   if (result.success) {
     comments.value = comments.value.filter(c => c.id !== commentId)
diff --git a/frontend/app/pages/machine/[id].vue b/frontend/app/pages/machine/[id].vue
index b92c4d5..306c98e 100644
--- a/frontend/app/pages/machine/[id].vue
+++ b/frontend/app/pages/machine/[id].vue
@@ -90,7 +90,7 @@
         @files-added="d.handleMachineFilesAdded"
         @preview="d.openPreview"
         @download="d.downloadDocument"
-        @remove="d.removeMachineDocument"
+        @remove="confirmRemoveDocument"
       />
 
       <!-- Produits associés -->
@@ -99,7 +99,7 @@
         :products="d.machineDirectProducts.value"
         :is-edit-mode="d.isEditMode.value"
         @add-product="openAddModal('product')"
-        @remove-product="async (id) => { await d.removeProductLink(id); refreshVersions() }"
+        @remove-product="confirmRemoveProduct"
         @fill-entity="(linkId, typeId) => handleFillEntity(linkId, 'product', typeId)"
       />
 
@@ -115,7 +115,7 @@
         @edit-piece="d.updatePieceFromComponent"
         @custom-field-update="d.handleCustomFieldUpdate"
         @add-component="openAddModal('component')"
-        @remove-component="async (id) => { await d.removeComponentLink(id); refreshVersions() }"
+        @remove-component="confirmRemoveComponent"
         @fill-entity="(linkId, typeId) => handleFillEntity(linkId, 'component', typeId)"
       />
 
@@ -130,7 +130,7 @@
         @edit-piece="d.editPiece"
         @custom-field-update="d.handleCustomFieldUpdate"
         @add-piece="openAddModal('piece')"
-        @remove-piece="async (id) => { await d.removePieceLink(id); refreshVersions() }"
+        @remove-piece="confirmRemovePiece"
         @fill-entity="(linkId, typeId) => handleFillEntity(linkId, 'piece', typeId)"
         @toggle-collapse="d.toggleAllPieces"
       />
@@ -254,6 +254,7 @@ const d = useMachineDetailData(machineId)
 const machineInfoCardRef = ref(null)
 const versionRefreshKey = ref(0)
 const refreshVersions = () => { versionRefreshKey.value++ }
+const { confirm: confirmDialog } = useConfirm()
 
 const {
   history,
@@ -340,6 +341,29 @@ const submitMachineEdition = async () => {
   refreshVersions()
 }
 
+const confirmRemoveProduct = async (id) => {
+  if (!await confirmDialog({ title: 'Retirer ce produit ?', message: 'Le produit sera dissocié de la machine.', confirmText: 'Retirer', dangerous: true })) return
+  await d.removeProductLink(id)
+  refreshVersions()
+}
+
+const confirmRemoveComponent = async (id) => {
+  if (!await confirmDialog({ title: 'Retirer ce composant ?', message: 'Le composant sera dissocié de la machine.', confirmText: 'Retirer', dangerous: true })) return
+  await d.removeComponentLink(id)
+  refreshVersions()
+}
+
+const confirmRemovePiece = async (id) => {
+  if (!await confirmDialog({ title: 'Retirer cette pièce ?', message: 'La pièce sera dissociée de la machine.', confirmText: 'Retirer', dangerous: true })) return
+  await d.removePieceLink(id)
+  refreshVersions()
+}
+
+const confirmRemoveDocument = async (id) => {
+  if (!await confirmDialog({ title: 'Supprimer ce document ?', message: 'Le fichier sera supprimé définitivement.', confirmText: 'Supprimer', dangerous: true })) return
+  d.removeMachineDocument(id)
+}
+
 onMounted(() => {
   d.loadMachineData()
   d.loadInitialData()