diff --git a/api.saladeaula.digital/app/routes/courses/__init__.py b/api.saladeaula.digital/app/routes/courses/__init__.py
index a626c0c..eb53708 100644
--- a/api.saladeaula.digital/app/routes/courses/__init__.py
+++ b/api.saladeaula.digital/app/routes/courses/__init__.py
@@ -64,7 +64,8 @@ def put_course(course_id: str):
     event = router.current_event
 
     if not event.decoded_body:
-        raise BadRequestError('Invalid request body') now_ = now()
+        raise BadRequestError('Invalid request body')
+
     body = parse(
         event.headers,
         BytesIO(event.decoded_body.encode()),
@@ -98,7 +99,7 @@ def put_course(course_id: str):
                 ':cert': course.cert.model_dump(),
                 ':access_period': course.access_period,
                 ':draft': course.draft,
-                ':updated_at': now_,
+                ':updated_at': now(),
             },
             cond_expr='attribute_exists(sk)',
             exc_cls=BadRequestError,
diff --git a/api.saladeaula.digital/app/routes/enrollments/__init__.py b/api.saladeaula.digital/app/routes/enrollments/__init__.py
index bf00236..da20000 100644
--- a/api.saladeaula.digital/app/routes/enrollments/__init__.py
+++ b/api.saladeaula.digital/app/routes/enrollments/__init__.py
@@ -21,5 +21,9 @@ dyn = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
 @router.get('/<enrollment_id>')
 def get_enrollment(enrollment_id: str):
     return dyn.collection.get_items(
-        TransactKey(enrollment_id) + SortKey('0') + SortKey('ORG') + SortKey('LOCK')
+        TransactKey(enrollment_id)
+        + SortKey('0')
+        + SortKey('ORG', rename_key='org')
+        + SortKey('CANCEL_POLICY', rename_key='cancel_policy')
+        + SortKey('LOCK', rename_key='lock')
     )
diff --git a/apps/admin.saladeaula.digital/app/routes/_.$orgid.enrollments._index/columns.tsx b/apps/admin.saladeaula.digital/app/routes/_.$orgid.enrollments._index/columns.tsx
index 0770ad9..2175fca 100644
--- a/apps/admin.saladeaula.digital/app/routes/_.$orgid.enrollments._index/columns.tsx
+++ b/apps/admin.saladeaula.digital/app/routes/_.$orgid.enrollments._index/columns.tsx
@@ -1,7 +1,7 @@
 'use client'
 
 import type { CellContext, ColumnDef } from '@tanstack/react-table'
-import { useToggle } from 'ahooks'
+import { useRequest, useToggle } from 'ahooks'
 import {
   CircleXIcon,
   EllipsisVerticalIcon,
@@ -9,7 +9,7 @@ import {
   HelpCircleIcon,
   LockOpenIcon
 } from 'lucide-react'
-import { NavLink, useParams } from 'react-router'
+import type { ComponentProps, MouseEvent } from 'react'
 import { toast } from 'sonner'
 
 import {
@@ -40,7 +40,6 @@ import { cn, initials } from '@repo/ui/lib/utils'
 
 import { Abbr } from '@/components/abbr'
 import { DataTableColumnHeader } from '@/components/data-table/column-header'
-import { useDataTable } from '@/components/data-table/data-table'
 import { labels, statuses } from './data'
 
 // This type is used to define the shape of our data.
@@ -218,13 +217,40 @@ function cellDate<TData>({
   return <></>
 }
 
+async function getEnrollment(id: string) {
+  const r = await fetch(`/~/api/enrollments/${id}`, {
+    method: 'GET'
+  })
+
+  return (await r.json()) as {
+    cancel_policy?: any
+    lock?: { hash: string }
+  }
+}
+
 function ActionMenu({ row }: { row: any }) {
+  const [open, { set: setOpen }] = useToggle(false)
   const cert = row.original?.cert
-  const progress = row.getValue('progress')
+  const { data, loading, run, refresh } = useRequest(getEnrollment, {
+    manual: true
+  })
+
+  const onSuccess = () => {
+    refresh()
+    setOpen(false)
+  }
 
   return (
     <div className="flex justify-end items-center">
-      <DropdownMenu>
+      <DropdownMenu
+        modal={false}
+        open={open}
+        onOpenChange={(open) => {
+          setOpen(open)
+          if (data) return
+          run(row.id)
+        }}
+      >
         <DropdownMenuTrigger asChild>
           <Button
             variant="ghost"
@@ -236,20 +262,45 @@ function ActionMenu({ row }: { row: any }) {
           </Button>
         </DropdownMenuTrigger>
         <DropdownMenuContent align="end" className="w-46 *:cursor-pointer">
-          <DownloadItem id={row.id} disabled={!cert} />
+          <DownloadItem
+            id={row.id}
+            disabled={!cert}
+            onSuccess={() => setOpen(false)}
+          />
           <DropdownMenuSeparator />
-          <RemoveDedupItem id={row.id} disabled={progress > 0} />
-          <CancelItem id={row.id} disabled={progress > 0} />
+          {loading ? (
+            <DropdownMenuItem disabled>
+              <Spinner />
+            </DropdownMenuItem>
+          ) : (
+            <>
+              <RemoveDedupItem
+                id={row.id}
+                lock={data?.lock}
+                onSuccess={onSuccess}
+              />
+              <CancelItem
+                id={row.id}
+                cancelPolicy={data?.cancel_policy}
+                onSuccess={onSuccess}
+              />
+            </>
+          )}
         </DropdownMenuContent>
       </DropdownMenu>
     </div>
   )
 }
 
-function DownloadItem({ id, ...props }: { id: string }) {
+type ItemProps = ComponentProps<typeof DropdownMenuItem> & {
+  id: string
+  onSuccess?: () => void
+}
+
+function DownloadItem({ id, onSuccess, ...props }: ItemProps) {
   const [loading, { set }] = useToggle(false)
 
-  const download = async (e) => {
+  const download = async (e: Event) => {
     e.preventDefault()
     set(true)
     const r = await fetch(`/~/api/enrollments/${id}/download`, {
@@ -259,8 +310,10 @@ function DownloadItem({ id, ...props }: { id: string }) {
     if (r.ok) {
       const { presigned_url } = (await r.json()) as { presigned_url: string }
       window.open(presigned_url, '_blank')
+
+      set(false)
+      onSuccess?.()
     }
-    set(false)
   }
 
   return (
@@ -270,32 +323,43 @@ function DownloadItem({ id, ...props }: { id: string }) {
   )
 }
 
-function RemoveDedupItem({ id, ...props }: { id: string }) {
+function RemoveDedupItem({
+  id,
+  lock,
+  onSuccess,
+  ...props
+}: ItemProps & {
+  lock?: { hash: string }
+}) {
   const [loading, { set }] = useToggle(false)
-  const { orgid } = useParams()
-  const { table } = useDataTable<Enrollment>()
+  const [open, { set: setOpen }] = useToggle(false)
 
-  const cancel = async (e) => {
+  const cancel = async (e: MouseEvent<HTMLButtonElement>) => {
     e.preventDefault()
     set(true)
 
-    const r = await fetch(`/~/api/enrollments/${orgid}/dedupwindow`, {
-      method: 'DELETE'
+    if (!lock) return
+
+    const r = await fetch(`/~/api/enrollments/${id}/dedupwindow`, {
+      method: 'DELETE',
+      body: JSON.stringify({ lock_hash: lock.hash }),
+      headers: new Headers({ 'Content-Type': 'application/json' })
     })
 
     if (r.ok) {
       toast.info('A proteção contra duplicação foi removida')
-      // @ts-ignore
-      table.options.meta?.removeRow?.(id)
+      setOpen(false)
+      onSuccess?.()
     }
   }
 
   return (
-    <AlertDialog>
+    <AlertDialog open={open} onOpenChange={setOpen}>
       <AlertDialogTrigger asChild>
         <DropdownMenuItem
           variant="destructive"
           onSelect={(e) => e.preventDefault()}
+          disabled={!lock}
           {...props}
         >
           <LockOpenIcon /> Remover proteção
@@ -322,32 +386,43 @@ function RemoveDedupItem({ id, ...props }: { id: string }) {
   )
 }
 
-function CancelItem({ id, ...props }: { id: string }) {
+function CancelItem({
+  id,
+  cancelPolicy,
+  lock,
+  ...props
+}: ItemProps & {
+  cancelPolicy?: object
+  lock?: {
+    hash: string
+  }
+}) {
   const [loading, { set }] = useToggle(false)
-  const { orgid } = useParams()
-  const { table } = useDataTable<Enrollment>()
+  const [open, { set: setOpen }] = useToggle(false)
 
-  const cancel = async (e) => {
+  const cancel = async (e: MouseEvent<HTMLButtonElement>) => {
     e.preventDefault()
     set(true)
 
-    const r = await fetch(`/~/api/enrollments/${orgid}/cancel`, {
-      method: 'PATCH'
+    const r = await fetch(`/~/api/enrollments/${id}/cancel`, {
+      method: 'POST',
+      headers: new Headers({ 'Content-Type': 'application/json' })
     })
 
     if (r.ok) {
       toast.info('A matrícula foi cancelada')
-      // @ts-ignore
-      table.options.meta?.removeRow?.(id)
     }
+
+    setOpen(false)
   }
 
   return (
-    <AlertDialog>
+    <AlertDialog open={open} onOpenChange={setOpen}>
       <AlertDialogTrigger asChild>
         <DropdownMenuItem
           variant="destructive"
           onSelect={(e) => e.preventDefault()}
+          disabled={!cancelPolicy}
           {...props}
         >
           <CircleXIcon /> Cancelar