diff --git a/services/document-updater/app.coffee b/services/document-updater/app.coffee
index 6ff06f2f2a..3ca7ef2b6f 100644
--- a/services/document-updater/app.coffee
+++ b/services/document-updater/app.coffee
@@ -28,7 +28,7 @@ Metrics.event_loop.monitor(logger, 100)
 
 app = express()
 app.use(Metrics.http.monitor(logger));
-app.use bodyParser({limit: (Settings.max_doc_length + 64 * 1024)})
+app.use bodyParser.json({limit: (Settings.max_doc_length + 64 * 1024)})
 Metrics.injectMetricsRoute(app)
 
 DispatchManager.createAndStartDispatchers(Settings.dispatcherCount || 10)
@@ -61,7 +61,7 @@ app.post   '/project/:project_id/history/resync',                       HttpCont
 app.post   '/project/:project_id/flush',                                HttpController.flushProject
 app.post   '/project/:project_id/doc/:doc_id/change/:change_id/accept', HttpController.acceptChanges
 app.post   '/project/:project_id/doc/:doc_id/change/accept',            HttpController.acceptChanges
-app.del    '/project/:project_id/doc/:doc_id/comment/:comment_id',      HttpController.deleteComment
+app.delete '/project/:project_id/doc/:doc_id/comment/:comment_id',      HttpController.deleteComment
 
 app.get    '/flush_all_projects',                                       HttpController.flushAllProjects
 app.get    '/flush_queued_projects', HttpController.flushQueuedProjects
@@ -74,7 +74,7 @@ app.get '/total', (req, res)->
 
 app.get '/status', (req, res)->
 	if Settings.shuttingDown
-		res.send 503 # Service unavailable
+		res.sendStatus 503 # Service unavailable
 	else
 		res.send('document updater is alive')
 
@@ -83,18 +83,18 @@ app.get "/health_check/redis", (req, res, next) ->
 	pubsubClient.healthCheck (error) ->
 		if error?
 			logger.err {err: error}, "failed redis health check"
-			res.send 500
+			res.sendStatus 500
 		else
-			res.send 200
+			res.sendStatus 200
 
 docUpdaterRedisClient = require("redis-sharelatex").createClient(Settings.redis.documentupdater)
 app.get "/health_check/redis_cluster", (req, res, next) ->
 	docUpdaterRedisClient.healthCheck (error) ->
 		if error?
 			logger.err {err: error}, "failed redis cluster health check"
-			res.send 500
+			res.sendStatus 500
 		else
-			res.send 200
+			res.sendStatus 200
 
 app.get "/health_check", (req, res, next) ->
 	async.series [
@@ -115,20 +115,20 @@ app.get "/health_check", (req, res, next) ->
 				cb(error)
 	] , (error) ->
 		if error?
-			res.send 500
+			res.sendStatus 500
 		else
-			res.send 200
+			res.sendStatus 200
 
 app.use (error, req, res, next) ->
 	if error instanceof Errors.NotFoundError
-		res.send 404
+		res.sendStatus 404
 	else if error instanceof Errors.OpRangeNotAvailableError
-		res.send 422 # Unprocessable Entity
+		res.sendStatus 422 # Unprocessable Entity
 	else if error.statusCode is 413
-		res.send(413, "request entity too large")
+		res.status(413).send("request entity too large")
 	else
 		logger.error err: error, req: req, "request errored"
-		res.send(500, "Oops, something went wrong")
+		res.status(500).send("Oops, something went wrong")
 
 shutdownCleanly = (signal) ->
 	return () ->
diff --git a/services/document-updater/app/coffee/HttpController.coffee b/services/document-updater/app/coffee/HttpController.coffee
index b7d38343d4..67d247ab97 100644
--- a/services/document-updater/app/coffee/HttpController.coffee
+++ b/services/document-updater/app/coffee/HttpController.coffee
@@ -57,7 +57,7 @@ module.exports = HttpController =
 		ProjectManager.getProjectDocsAndFlushIfOld project_id, projectStateHash, excludeVersions, (error, result) ->
 			timer.done()
 			if error instanceof Errors.ProjectStateChangedError
-				res.send 409 # conflict
+				res.sendStatus 409 # conflict
 			else if error?
 				return next(error)
 			else
@@ -73,7 +73,7 @@ module.exports = HttpController =
 			if error?
 				return next(error)
 			else
-				res.send 200
+				res.sendStatus 200
 
 	setDoc: (req, res, next = (error) ->) ->
 		doc_id = req.params.doc_id
@@ -82,14 +82,14 @@ module.exports = HttpController =
 		lineSize = HttpController._getTotalSizeOfLines(lines)
 		if lineSize > TWO_MEGABYTES
 			logger.log {project_id, doc_id, source, lineSize, user_id}, "document too large, returning 406 response"
-			return res.send 406
+			return res.sendStatus 406
 		logger.log {project_id, doc_id, lines, source, user_id, undoing}, "setting doc via http"
 		timer = new Metrics.Timer("http.setDoc")
 		DocumentManager.setDocWithLock project_id, doc_id, lines, source, user_id, undoing, (error) ->
 			timer.done()
 			return next(error) if error?
 			logger.log project_id: project_id, doc_id: doc_id, "set doc via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 
 	flushDocIfLoaded: (req, res, next = (error) ->) ->
@@ -101,7 +101,7 @@ module.exports = HttpController =
 			timer.done()
 			return next(error) if error?
 			logger.log project_id: project_id, doc_id: doc_id, "flushed doc via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	deleteDoc: (req, res, next = (error) ->) ->
 		doc_id = req.params.doc_id
@@ -117,7 +117,7 @@ module.exports = HttpController =
 
 			return next(error) if error?
 			logger.log project_id: project_id, doc_id: doc_id, "deleted doc via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	flushProject: (req, res, next = (error) ->) ->
 		project_id = req.params.project_id
@@ -127,7 +127,7 @@ module.exports = HttpController =
 			timer.done()
 			return next(error) if error?
 			logger.log project_id: project_id, "flushed project via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	deleteProject: (req, res, next = (error) ->) ->
 		project_id = req.params.project_id
@@ -139,14 +139,14 @@ module.exports = HttpController =
 			ProjectManager.queueFlushAndDeleteProject project_id, (error) ->
 				return next(error) if error?
 				logger.log project_id: project_id, "queue delete of project via http"
-				res.send 204 # No Content
+				res.sendStatus 204 # No Content
 		else
 			timer = new Metrics.Timer("http.deleteProject")
 			ProjectManager.flushAndDeleteProjectWithLocks project_id, options, (error) ->
 				timer.done()
 				return next(error) if error?
 				logger.log project_id: project_id, "deleted project via http"
-				res.send 204 # No Content
+				res.sendStatus 204 # No Content
 
 	deleteMultipleProjects: (req, res, next = (error) ->) ->
 		project_ids = req.body?.project_ids || []
@@ -156,7 +156,7 @@ module.exports = HttpController =
 			ProjectManager.queueFlushAndDeleteProject project_id, cb
 		, (error) ->
 			return next(error) if error?
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	acceptChanges: (req, res, next = (error) ->) ->
 		{project_id, doc_id} = req.params
@@ -169,7 +169,7 @@ module.exports = HttpController =
 			timer.done()
 			return next(error) if error?
 			logger.log {project_id, doc_id}, "accepted #{ change_ids.length } changes via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	deleteComment: (req, res, next = (error) ->) ->
 		{project_id, doc_id, comment_id} = req.params
@@ -179,7 +179,7 @@ module.exports = HttpController =
 			timer.done()
 			return next(error) if error?
 			logger.log {project_id, doc_id, comment_id}, "deleted comment via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	updateProject: (req, res, next = (error) ->) ->
 		timer = new Metrics.Timer("http.updateProject")
@@ -191,7 +191,7 @@ module.exports = HttpController =
 			timer.done()
 			return next(error) if error?
 			logger.log project_id: project_id, "updated project via http"
-			res.send 204 # No Content
+			res.sendStatus 204 # No Content
 
 	resyncProjectHistory: (req, res, next = (error) ->) ->
 		project_id = req.params.project_id
@@ -201,7 +201,7 @@ module.exports = HttpController =
 		HistoryManager.resyncProjectHistory project_id, projectHistoryId, docs, files, (error) ->
 			return next(error) if error?
 			logger.log {project_id}, "queued project history resync via http"
-			res.send 204
+			res.sendStatus 204
 
 	flushAllProjects: (req, res, next = (error)-> )->
 		res.setTimeout(5 * 60 * 1000)
@@ -212,7 +212,7 @@ module.exports = HttpController =
 		ProjectFlusher.flushAllProjects options, (err, project_ids)->
 			if err?
 				logger.err err:err, "error bulk flushing projects"
-				res.send 500
+				res.sendStatus 500
 			else
 				res.send project_ids
 
@@ -225,7 +225,7 @@ module.exports = HttpController =
 		DeleteQueueManager.flushAndDeleteOldProjects options, (err, flushed)->
 			if err?
 				logger.err err:err, "error flushing old projects"
-				res.send 500
+				res.sendStatus 500
 			else
 				logger.log {flushed: flushed}, "flush of queued projects completed"
 				res.send {flushed: flushed}
diff --git a/services/document-updater/test/acceptance/coffee/helpers/MockProjectHistoryApi.coffee b/services/document-updater/test/acceptance/coffee/helpers/MockProjectHistoryApi.coffee
index 2a0c8603a4..eb635225da 100644
--- a/services/document-updater/test/acceptance/coffee/helpers/MockProjectHistoryApi.coffee
+++ b/services/document-updater/test/acceptance/coffee/helpers/MockProjectHistoryApi.coffee
@@ -9,9 +9,9 @@ module.exports = MockProjectHistoryApi =
 		app.post "/project/:project_id/flush", (req, res, next) =>
 			@flushProject req.params.project_id, (error) ->
 				if error?
-					res.send 500
+					res.sendStatus 500
 				else
-					res.send 204
+					res.sendStatus 204
 
 		app.listen 3054, (error) ->
 			throw error if error?
diff --git a/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee b/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee
index 95caead368..924937fe39 100644
--- a/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee
+++ b/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee
@@ -9,9 +9,9 @@ module.exports = MockTrackChangesApi =
 		app.post "/project/:project_id/doc/:doc_id/flush", (req, res, next) =>
 			@flushDoc req.params.doc_id, (error) ->
 				if error?
-					res.send 500
+					res.sendStatus 500
 				else
-					res.send 204
+					res.sendStatus 204
 
 		app.listen 3015, (error) ->
 			throw error if error?
diff --git a/services/document-updater/test/acceptance/coffee/helpers/MockWebApi.coffee b/services/document-updater/test/acceptance/coffee/helpers/MockWebApi.coffee
index daea1dcf40..19b518f7c6 100644
--- a/services/document-updater/test/acceptance/coffee/helpers/MockWebApi.coffee
+++ b/services/document-updater/test/acceptance/coffee/helpers/MockWebApi.coffee
@@ -31,18 +31,18 @@ module.exports = MockWebApi =
 		app.get "/project/:project_id/doc/:doc_id", (req, res, next) =>
 			@getDocument req.params.project_id, req.params.doc_id, (error, doc) ->
 				if error?
-					res.send 500
+					res.sendStatus 500
 				else if doc?
 					res.send JSON.stringify doc
 				else
-					res.send 404
+					res.sendStatus 404
 
-		app.post "/project/:project_id/doc/:doc_id", bodyParser({limit: MAX_REQUEST_SIZE}), (req, res, next) =>
+		app.post "/project/:project_id/doc/:doc_id", bodyParser.json({limit: MAX_REQUEST_SIZE}), (req, res, next) =>
 			MockWebApi.setDocument req.params.project_id, req.params.doc_id, req.body.lines, req.body.version, req.body.ranges, req.body.lastUpdatedAt, req.body.lastUpdatedBy, (error) ->
 				if error?
-					res.send 500
+					res.sendStatus 500
 				else
-					res.send 204
+					res.sendStatus 204
 
 		app.listen 3000, (error) ->
 			throw error if error?
diff --git a/services/document-updater/test/unit/coffee/HttpController/HttpControllerTests.coffee b/services/document-updater/test/unit/coffee/HttpController/HttpControllerTests.coffee
index 00fd16c088..4f316a12ba 100644
--- a/services/document-updater/test/unit/coffee/HttpController/HttpControllerTests.coffee
+++ b/services/document-updater/test/unit/coffee/HttpController/HttpControllerTests.coffee
@@ -24,8 +24,9 @@ describe "HttpController", ->
 		@next = sinon.stub()
 		@res =
 			send: sinon.stub()
+			sendStatus: sinon.stub()
 			json: sinon.stub()
-	
+
 	describe "getDoc", ->
 		beforeEach ->
 			@lines = ["one", "two", "three"]
@@ -119,7 +120,7 @@ describe "HttpController", ->
 				@next
 					.calledWith(new Error("oops"))
 					.should.equal true
-	
+
 	describe "setDoc", ->
 		beforeEach ->
 			@lines = ["one", "two", "three"]
@@ -147,7 +148,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -179,7 +180,7 @@ describe "HttpController", ->
 				@HttpController.setDoc(@req, @res, @next)
 
 			it 'should send back a 406 response', ->
-				@res.send.calledWith(406).should.equal true
+				@res.sendStatus.calledWith(406).should.equal true
 
 			it 'should not call setDocWithLock', ->
 				@DocumentManager.setDocWithLock.callCount.should.equal 0
@@ -201,7 +202,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -222,7 +223,7 @@ describe "HttpController", ->
 				@next
 					.calledWith(new Error("oops"))
 					.should.equal true
-	
+
 	describe "flushDocIfLoaded", ->
 		beforeEach ->
 			@lines = ["one", "two", "three"]
@@ -243,7 +244,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -289,7 +290,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -313,7 +314,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send.calledWith(204).should.equal true
+				@res.sendStatus.calledWith(204).should.equal true
 
 		describe "when an errors occurs", ->
 			beforeEach ->
@@ -329,7 +330,7 @@ describe "HttpController", ->
 				@next
 					.calledWith(new Error("oops"))
 					.should.equal true
-	
+
 	describe "deleteProject", ->
 		beforeEach ->
 			@req =
@@ -347,7 +348,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -379,7 +380,7 @@ describe "HttpController", ->
 				@next
 					.calledWith(new Error("oops"))
 					.should.equal true
-	
+
 	describe "acceptChanges", ->
 		beforeEach ->
 			@req =
@@ -399,7 +400,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -438,7 +439,7 @@ describe "HttpController", ->
 				@next
 					.calledWith(new Error("oops"))
 					.should.equal true
-	
+
 	describe "deleteComment", ->
 		beforeEach ->
 			@req =
@@ -458,7 +459,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -524,7 +525,7 @@ describe "HttpController", ->
 				@HttpController.getProjectDocsAndFlushIfOld(@req, @res, @next)
 
 			it "should return an HTTP 409 Conflict response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(409)
 					.should.equal true
 
@@ -561,7 +562,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true
 
@@ -601,7 +602,7 @@ describe "HttpController", ->
 					.should.equal true
 
 			it "should return a successful No Content response", ->
-				@res.send
+				@res.sendStatus
 					.calledWith(204)
 					.should.equal true