diff --git a/services/web/app/src/Features/Project/ProjectDeleter.js b/services/web/app/src/Features/Project/ProjectDeleter.js
index 4718081ee1..a2064d81e6 100644
--- a/services/web/app/src/Features/Project/ProjectDeleter.js
+++ b/services/web/app/src/Features/Project/ProjectDeleter.js
@@ -15,6 +15,7 @@ const DocstoreManager = require('../Docstore/DocstoreManager')
 const EditorRealTimeController = require('../Editor/EditorRealTimeController')
 const HistoryManager = require('../History/HistoryManager')
 const FilestoreHandler = require('../FileStore/FileStoreHandler')
+const TpdsUpdateSender = require('../ThirdPartyDataStore/TpdsUpdateSender')
 const moment = require('moment')
 const { promiseMapWithLimit } = require('../../util/promises')
 
@@ -369,6 +370,9 @@ async function expireDeletedProject(projectId) {
         historyId
       ),
       FilestoreHandler.promises.deleteProject(deletedProject.project._id),
+      TpdsUpdateSender.promises.deleteProject({
+        project_id: deletedProject.project._id,
+      }),
       hardDeleteDeletedFiles(deletedProject.project._id),
     ])
 
diff --git a/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js b/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js
index c65c15f726..a4ba078d93 100644
--- a/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js
+++ b/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js
@@ -99,6 +99,33 @@ async function deleteEntity(options) {
   }
 }
 
+async function deleteProject(options) {
+  // deletion only applies to project archiver
+  const projectArchiverUrl = _.get(settings, [
+    'apis',
+    'project_archiver',
+    'url',
+  ])
+  // silently do nothing if project archiver url is not in settings
+  if (!projectArchiverUrl) {
+    return
+  }
+  metrics.inc('tpds.delete-project')
+  // send the request directly to project archiver, bypassing third-party-datastore
+  try {
+    const response = await request({
+      uri: `${settings.apis.project_archiver.url}/project/${options.project_id}`,
+      method: 'delete',
+    })
+    return response
+  } catch (err) {
+    logger.error(
+      { err, project_id: options.project_id },
+      'error deleting project in third party datastore (project_archiver)'
+    )
+  }
+}
+
 async function enqueue(group, method, job) {
   const tpdsWorkerUrl = _.get(settings, ['apis', 'tpdsworker', 'url'])
   // silently do nothing if worker url is not in settings
@@ -191,6 +218,7 @@ const TpdsUpdateSender = {
   addEntity: callbackify(addEntity),
   addFile: callbackify(addFile),
   deleteEntity: callbackify(deleteEntity),
+  deleteProject: callbackify(deleteProject),
   enqueue: callbackify(enqueue),
   moveEntity: callbackify(moveEntity),
   pollDropboxForUser: callbackify(pollDropboxForUser),
@@ -199,6 +227,7 @@ const TpdsUpdateSender = {
     addEntity,
     addFile,
     deleteEntity,
+    deleteProject,
     enqueue,
     moveEntity,
     pollDropboxForUser,
diff --git a/services/web/test/unit/src/Project/ProjectDeleterTests.js b/services/web/test/unit/src/Project/ProjectDeleterTests.js
index 9c2cbf7373..167e2e9238 100644
--- a/services/web/test/unit/src/Project/ProjectDeleterTests.js
+++ b/services/web/test/unit/src/Project/ProjectDeleterTests.js
@@ -127,6 +127,11 @@ describe('ProjectDeleter', function () {
         deleteProject: sinon.stub().resolves(),
       },
     }
+    this.TpdsUpdateSender = {
+      promises: {
+        deleteProject: sinon.stub().resolves(),
+      },
+    }
 
     this.ProjectDeleter = SandboxedModule.require(modulePath, {
       requires: {
@@ -138,6 +143,7 @@ describe('ProjectDeleter', function () {
           .DocumentUpdaterHandler,
         '../Tags/TagsHandler': this.TagsHandler,
         '../FileStore/FileStoreHandler': this.FileStoreHandler,
+        '../ThirdPartyDataStore/TpdsUpdateSender': this.TpdsUpdateSender,
         '../Collaborators/CollaboratorsHandler': this.CollaboratorsHandler,
         '../Collaborators/CollaboratorsGetter': this.CollaboratorsGetter,
         '../Docstore/DocstoreManager': this.DocstoreManager,
@@ -459,6 +465,14 @@ describe('ProjectDeleter', function () {
         this.FileStoreHandler.promises.deleteProject
       ).to.have.been.calledWith(this.deletedProjects[0].project._id)
     })
+
+    it('should destroy the files in project-archiver', function () {
+      expect(
+        this.TpdsUpdateSender.promises.deleteProject
+      ).to.have.been.calledWith({
+        project_id: this.deletedProjects[0].project._id,
+      })
+    })
   })
 
   describe('archiveProject', function () {
diff --git a/services/web/test/unit/src/ThirdPartyDataStore/TpdsUpdateSenderTests.js b/services/web/test/unit/src/ThirdPartyDataStore/TpdsUpdateSenderTests.js
index ca3672b462..76bffd9dbe 100644
--- a/services/web/test/unit/src/ThirdPartyDataStore/TpdsUpdateSenderTests.js
+++ b/services/web/test/unit/src/ThirdPartyDataStore/TpdsUpdateSenderTests.js
@@ -20,6 +20,7 @@ const httpPass = 'pass'
 const siteUrl = 'http://www.localhost:3000'
 const httpAuthSiteUrl = `http://${httpUsername}:${httpPass}@www.localhost:3000`
 const filestoreUrl = 'filestore.sharelatex.com'
+const projectArchiverUrl = 'project-archiver.overleaf.com'
 
 describe('TpdsUpdateSender', function () {
   beforeEach(function () {
@@ -358,4 +359,17 @@ describe('TpdsUpdateSender', function () {
       job0.json.user_ids[0].should.equal(userId)
     })
   })
+  describe('deleteProject', function () {
+    it('should not call request if there is no project archiver url', async function () {
+      await this.updateSender.promises.deleteProject({ project_id: projectId })
+      this.request.should.not.have.been.called
+    })
+    it('should make a delete request to project archiver', async function () {
+      this.settings.apis.project_archiver = { url: projectArchiverUrl }
+      await this.updateSender.promises.deleteProject({ project_id: projectId })
+      const { uri, method } = this.request.firstCall.args[0]
+      method.should.equal('delete')
+      uri.should.equal(`${projectArchiverUrl}/project/${projectId}`)
+    })
+  })
 })