diff --git a/creator-node/package-lock.json b/creator-node/package-lock.json
index 7fa276f3d4e..46e85aae98e 100644
--- a/creator-node/package-lock.json
+++ b/creator-node/package-lock.json
@@ -3939,7 +3939,7 @@
     "bmp-js": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/bmp-js/-/bmp-js-0.1.0.tgz",
-      "integrity": "sha512-vHdS19CnY3hwiNdkaqk93DvjVLfbEcI8mys4UjuWrlX1haDmroo8o4xCzh4wD6DGV6HxRCyauwhHRqMTfERtjw=="
+      "integrity": "sha1-4Fpj95amwf8l9Hcex62twUjAcjM="
     },
     "bn.js": {
       "version": "4.12.0",
@@ -4197,7 +4197,7 @@
     "buffer-equal": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/buffer-equal/-/buffer-equal-0.0.1.tgz",
-      "integrity": "sha512-RgSV6InVQ9ODPdLWJ5UAqBqJBOg370Nz6ZQtRzpt6nUjc8v0St97uJ4PYC6NztqIScrAXafKM3mZPMygSe1ggA=="
+      "integrity": "sha1-kbx0sR6kBbyRa8aqkI+q+ltKrEs="
     },
     "buffer-layout": {
       "version": "1.2.2",
diff --git a/creator-node/src/components/healthCheck/healthCheckController.js b/creator-node/src/components/healthCheck/healthCheckController.js
index fd3c0b3ddc8..124b9492856 100644
--- a/creator-node/src/components/healthCheck/healthCheckController.js
+++ b/creator-node/src/components/healthCheck/healthCheckController.js
@@ -19,11 +19,7 @@ const { sequelize } = require('../../models')
 const { getMonitors } = require('../../monitors/monitors')
 const TranscodingQueue = require('../../TranscodingQueue')
 
-const { recoverWallet } = require('../../apiSigning')
-const {
-  handleTrackContentUpload,
-  removeTrackFolder
-} = require('../../fileManager')
+const { ensureValidSPMiddleware } = require('../../middlewares')
 
 const config = require('../../config')
 
@@ -42,53 +38,6 @@ const FIND_SYNC_REQUESTS_JOB_MAX_LAST_SUCCESSFUL_RUN_DELAY_MS = config.get(
 const FIND_REPLICA_SET_UPDATES_JOB_MAX_LAST_SUCCESSFUL_RUN_DELAY_MS =
   config.get('findReplicaSetUpdatesJobLastSuccessfulRunDelayMs')
 
-// Helper Functions
-/**
- * Verifies that the request is made by the delegate Owner
- */
-const healthCheckVerifySignature = (req, res, next) => {
-  const { timestamp, randomBytes, signature } = req.query
-  if (!timestamp || !randomBytes || !signature) {
-    return sendResponse(
-      req,
-      res,
-      errorResponseBadRequest('Missing required query parameters')
-    )
-  }
-
-  const recoveryObject = { randomBytesToSign: randomBytes, timestamp }
-  const recoveredPublicWallet = recoverWallet(
-    recoveryObject,
-    signature
-  ).toLowerCase()
-  const recoveredTimestampDate = new Date(timestamp)
-  const currentTimestampDate = new Date()
-  const requestAge = currentTimestampDate - recoveredTimestampDate
-  if (requestAge >= MAX_HEALTH_CHECK_TIMESTAMP_AGE_MS) {
-    return sendResponse(
-      req,
-      res,
-      errorResponseBadRequest(
-        `Submitted timestamp=${recoveredTimestampDate}, current timestamp=${currentTimestampDate}. Maximum age =${MAX_HEALTH_CHECK_TIMESTAMP_AGE_MS}`
-      )
-    )
-  }
-  const delegateOwnerWallet = config.get('delegateOwnerWallet').toLowerCase()
-  if (recoveredPublicWallet !== delegateOwnerWallet) {
-    return sendResponse(
-      req,
-      res,
-      errorResponseBadRequest(
-        "Requester's public key does does not match Creator Node's delegate owner wallet."
-      )
-    )
-  }
-
-  next()
-}
-
-// Controllers
-
 /**
  * Controller for `health_check` route, calls
  * `healthCheckComponentService`.
@@ -245,45 +194,22 @@ const healthCheckVerboseController = async (req) => {
   })
 }
 
-/**
- * Controller for `health_check/fileupload` route *
- * Perform a file upload health check limited to configured delegateOwnerWallet.
- * This prunes the disc artifacts created by the process after.
- */
-const healthCheckFileUploadController = async (req) => {
-  const err =
-    req.fileFilterError ||
-    req.fileSizeError ||
-    (await removeTrackFolder(req, req.fileDir))
-  if (err) {
-    return errorResponseServerError(err)
-  }
-  return successResponse({ success: true })
-}
-
 // Routes
 
 router.get('/health_check', handleResponse(healthCheckController))
 router.get('/health_check/sync', handleResponse(syncHealthCheckController))
 router.get(
   '/health_check/duration',
-  healthCheckVerifySignature,
+  ensureValidSPMiddleware,
   handleResponse(healthCheckDurationController)
 )
 router.get(
   '/health_check/duration/heartbeat',
-  healthCheckVerifySignature,
+  ensureValidSPMiddleware,
   handleResponseWithHeartbeat(healthCheckDurationController)
 )
 router.get(
   '/health_check/verbose',
   handleResponse(healthCheckVerboseController)
 )
-router.post(
-  '/health_check/fileupload',
-  healthCheckVerifySignature,
-  handleTrackContentUpload,
-  handleResponseWithHeartbeat(healthCheckFileUploadController)
-)
-
 module.exports = router
diff --git a/creator-node/src/routes/tracks.js b/creator-node/src/routes/tracks.js
index 128bd0ea763..3fda9b372cd 100644
--- a/creator-node/src/routes/tracks.js
+++ b/creator-node/src/routes/tracks.js
@@ -94,6 +94,27 @@ module.exports = function (app) {
     })
   )
 
+  /**
+   * Delete all temporary transcode artifacts from track transcode handoff flow.
+   * This is called on the node that was handed off the transcode to clear the state from disk
+   */
+  app.post(
+    '/clear_transcode_and_segment_artifacts',
+    ensureValidSPMiddleware,
+    handleResponse(async (req, res) => {
+      const fileDir = req.body.fileDir
+      req.logger.info('Clearing filesystem fileDir', fileDir)
+      if (!fileDir.includes('tmp_track_artifacts')) {
+        return errorResponseBadRequest(
+          'Cannot remove track folder outside temporary track artifacts'
+        )
+      }
+      await removeTrackFolder({ logContext: req.logContext }, fileDir)
+
+      return successResponse()
+    })
+  )
+
   /**
    * Given that the requester is a valid SP, the current Content Node has enough storage,
    * upload the track to the current node and add a transcode and segmenting job to the queue.
@@ -127,7 +148,7 @@ module.exports = function (app) {
    * Given that the request is coming from a valid SP, serve the corresponding file
    * from the transcode handoff
    *
-   * This route is used on an available SP when the primary requests the transcoded files after
+   * This route is called from the primary to request the transcoded files after
    * sending the first request for the transcode handoff. This route does not run on the primary.
    */
   app.get(