diff --git a/services/track-changes/app.coffee b/services/track-changes/app.coffee
index 846c7e8db1..972b38b7a7 100644
--- a/services/track-changes/app.coffee
+++ b/services/track-changes/app.coffee
@@ -80,15 +80,6 @@ app.get "/check_lock", HttpController.checkLock
 
 app.get "/health_check",  HttpController.healthCheck
 
-profiler = require "v8-profiler"
-app.get "/profile", (req, res) ->
-	time = parseInt(req.query.time || "1000")
-	profiler.startProfiling("test")
-	setTimeout () ->
-		profile = profiler.stopProfiling("test")
-		res.json(profile)
-	, time
-
 app.use (error, req, res, next) ->
 	logger.error err: error, req: req, "an internal error occured"
 	res.send 500
diff --git a/services/track-changes/npm-shrinkwrap.json b/services/track-changes/npm-shrinkwrap.json
index 348128696c..fcfd97e71f 100644
--- a/services/track-changes/npm-shrinkwrap.json
+++ b/services/track-changes/npm-shrinkwrap.json
@@ -224,11 +224,6 @@
       "from": "@types/tough-cookie@*",
       "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-2.3.5.tgz"
     },
-    "abbrev": {
-      "version": "1.1.1",
-      "from": "abbrev@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz"
-    },
     "abort-controller": {
       "version": "3.0.0",
       "from": "abort-controller@>=3.0.0 <4.0.0",
@@ -249,16 +244,6 @@
       "from": "ajv@>=6.5.5 <7.0.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.6.2.tgz"
     },
-    "aproba": {
-      "version": "1.2.0",
-      "from": "aproba@>=1.0.3 <2.0.0",
-      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz"
-    },
-    "are-we-there-yet": {
-      "version": "1.1.5",
-      "from": "are-we-there-yet@>=1.1.2 <1.2.0",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz"
-    },
     "array-from": {
       "version": "2.1.1",
       "from": "array-from@>=2.1.1 <3.0.0",
@@ -354,11 +339,6 @@
       "from": "bintrees@1.0.1",
       "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.1.tgz"
     },
-    "block-stream": {
-      "version": "0.0.9",
-      "from": "block-stream@*",
-      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz"
-    },
     "boom": {
       "version": "0.4.2",
       "from": "boom@>=0.4.0 <0.5.0",
@@ -448,16 +428,6 @@
       "from": "cluster-key-slot@>=1.0.6 <2.0.0",
       "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.0.12.tgz"
     },
-    "co": {
-      "version": "4.6.0",
-      "from": "co@>=4.6.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz"
-    },
-    "code-point-at": {
-      "version": "1.1.0",
-      "from": "code-point-at@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz"
-    },
     "coffee-script": {
       "version": "1.12.4",
       "from": "coffee-script@1.12.4",
@@ -485,11 +455,6 @@
       "from": "connect@2.8.5",
       "resolved": "https://registry.npmjs.org/connect/-/connect-2.8.5.tgz"
     },
-    "console-control-strings": {
-      "version": "1.1.0",
-      "from": "console-control-strings@>=1.1.0 <1.2.0",
-      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz"
-    },
     "console-log-level": {
       "version": "1.4.1",
       "from": "console-log-level@>=1.4.0 <2.0.0",
@@ -550,11 +515,6 @@
       "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
       "dev": true
     },
-    "deep-extend": {
-      "version": "0.6.0",
-      "from": "deep-extend@>=0.6.0 <0.7.0",
-      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz"
-    },
     "delay": {
       "version": "4.3.0",
       "from": "delay@>=4.0.1 <5.0.0",
@@ -566,21 +526,11 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-0.0.5.tgz",
       "optional": true
     },
-    "delegates": {
-      "version": "1.0.0",
-      "from": "delegates@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz"
-    },
     "denque": {
       "version": "1.4.1",
       "from": "denque@>=1.1.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz"
     },
-    "detect-libc": {
-      "version": "1.0.3",
-      "from": "detect-libc@>=1.0.2 <2.0.0",
-      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz"
-    },
     "diff": {
       "version": "3.3.1",
       "from": "diff@3.3.1",
@@ -760,53 +710,8 @@
     "fs.realpath": {
       "version": "1.0.0",
       "from": "fs.realpath@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz"
-    },
-    "fstream": {
-      "version": "1.0.11",
-      "from": "fstream@>=1.0.2 <2.0.0",
-      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
-      "dependencies": {
-        "graceful-fs": {
-          "version": "4.1.15",
-          "from": "graceful-fs@>=4.1.2 <5.0.0",
-          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz"
-        },
-        "mkdirp": {
-          "version": "0.5.1",
-          "from": "mkdirp@>=0.5.0 >=0.0.0 <1.0.0",
-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz"
-        }
-      }
-    },
-    "fstream-ignore": {
-      "version": "1.0.5",
-      "from": "fstream-ignore@>=1.0.5 <2.0.0",
-      "resolved": "https://registry.npmjs.org/fstream-ignore/-/fstream-ignore-1.0.5.tgz",
-      "dependencies": {
-        "minimatch": {
-          "version": "3.0.4",
-          "from": "minimatch@>=3.0.0 <4.0.0",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz"
-        }
-      }
-    },
-    "gauge": {
-      "version": "2.7.4",
-      "from": "gauge@>=2.7.3 <2.8.0",
-      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
-      "dependencies": {
-        "ansi-regex": {
-          "version": "2.1.1",
-          "from": "ansi-regex@>=2.0.0 <3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz"
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "from": "strip-ansi@>=3.0.1 <4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz"
-        }
-      }
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "dev": true
     },
     "gaxios": {
       "version": "1.8.4",
@@ -892,11 +797,6 @@
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
       "dev": true
     },
-    "has-unicode": {
-      "version": "2.0.1",
-      "from": "has-unicode@>=2.0.0 <3.0.0",
-      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz"
-    },
     "hawk": {
       "version": "1.0.0",
       "from": "hawk@>=1.0.0 <1.1.0",
@@ -957,11 +857,6 @@
       "from": "inherits@>=2.0.0 <3.0.0",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz"
     },
-    "ini": {
-      "version": "1.3.5",
-      "from": "ini@>=1.3.0 <1.4.0",
-      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz"
-    },
     "ioredis": {
       "version": "4.9.5",
       "from": "ioredis@>=4.9.1 <4.10.0",
@@ -984,11 +879,6 @@
       "from": "is-buffer@>=2.0.2 <3.0.0",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz"
     },
-    "is-fullwidth-code-point": {
-      "version": "1.0.0",
-      "from": "is-fullwidth-code-point@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz"
-    },
     "is-typedarray": {
       "version": "1.0.0",
       "from": "is-typedarray@>=1.0.0 <1.1.0",
@@ -1029,21 +919,11 @@
       "from": "json-schema-traverse@>=0.4.1 <0.5.0",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz"
     },
-    "json-stable-stringify": {
-      "version": "1.0.1",
-      "from": "json-stable-stringify@>=1.0.1 <2.0.0",
-      "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz"
-    },
     "json-stringify-safe": {
       "version": "5.0.1",
       "from": "json-stringify-safe@5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz"
     },
-    "jsonify": {
-      "version": "0.0.0",
-      "from": "jsonify@>=0.0.0 <0.1.0",
-      "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.0.tgz"
-    },
     "jsonparse": {
       "version": "1.3.1",
       "from": "jsonparse@>=1.2.0 <2.0.0",
@@ -1447,189 +1327,17 @@
       "from": "node-forge@>=0.8.0 <0.9.0",
       "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.8.4.tgz"
     },
-    "node-pre-gyp": {
-      "version": "0.6.39",
-      "from": "node-pre-gyp@>=0.6.34 <0.7.0",
-      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.6.39.tgz",
-      "dependencies": {
-        "ajv": {
-          "version": "4.11.8",
-          "from": "ajv@>=4.9.1 <5.0.0",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz"
-        },
-        "assert-plus": {
-          "version": "0.2.0",
-          "from": "assert-plus@>=0.2.0 <0.3.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz"
-        },
-        "aws-sign2": {
-          "version": "0.6.0",
-          "from": "aws-sign2@>=0.6.0 <0.7.0",
-          "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz"
-        },
-        "boom": {
-          "version": "2.10.1",
-          "from": "boom@>=2.0.0 <3.0.0",
-          "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz"
-        },
-        "combined-stream": {
-          "version": "1.0.7",
-          "from": "combined-stream@>=1.0.5 <1.1.0",
-          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz"
-        },
-        "cryptiles": {
-          "version": "2.0.5",
-          "from": "cryptiles@>=2.0.0 <3.0.0",
-          "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz"
-        },
-        "delayed-stream": {
-          "version": "1.0.0",
-          "from": "delayed-stream@>=1.0.0 <1.1.0",
-          "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz"
-        },
-        "forever-agent": {
-          "version": "0.6.1",
-          "from": "forever-agent@>=0.6.1 <0.7.0",
-          "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz"
-        },
-        "form-data": {
-          "version": "2.1.4",
-          "from": "form-data@>=2.1.1 <2.2.0",
-          "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.1.4.tgz"
-        },
-        "glob": {
-          "version": "7.1.3",
-          "from": "glob@>=7.1.3 <8.0.0",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz"
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-          "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.1.1.tgz"
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-          "version": "2.3.4",
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-          "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz"
-        }
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-    },
-    "npmlog": {
-      "version": "4.1.2",
-      "from": "npmlog@>=4.0.2 <5.0.0",
-      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz"
-    },
-    "number-is-nan": {
-      "version": "1.0.1",
-      "from": "number-is-nan@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz"
-    },
     "oauth-sign": {
       "version": "0.3.0",
       "from": "oauth-sign@>=0.3.0 <0.4.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.3.0.tgz",
       "optional": true
     },
-    "object-assign": {
-      "version": "4.1.1",
-      "from": "object-assign@>=4.1.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz"
-    },
     "once": {
       "version": "1.4.0",
       "from": "once@>=1.3.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz"
     },
-    "os-homedir": {
-      "version": "1.0.2",
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-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz"
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-    "os-tmpdir": {
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-      "from": "os-tmpdir@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz"
-    },
-    "osenv": {
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-      "from": "osenv@>=0.1.4 <0.2.0",
-      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz"
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@@ -1774,18 +1482,6 @@
         }
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-      "from": "rc@>=1.1.7 <2.0.0",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz"
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@@ -1974,16 +1670,19 @@
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       "from": "rimraf@>=2.4.0 <2.5.0",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.4.5.tgz",
+      "optional": true,
       "dependencies": {
         "glob": {
           "version": "6.0.4",
           "from": "glob@>=6.0.1 <7.0.0",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-6.0.4.tgz"
+          "resolved": "https://registry.npmjs.org/glob/-/glob-6.0.4.tgz",
+          "optional": true
         },
         "minimatch": {
           "version": "3.0.4",
           "from": "minimatch@>=2.0.0 <3.0.0||>=3.0.0 <4.0.0",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz"
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+          "optional": true
         }
       }
     },
@@ -2055,11 +1754,6 @@
       "from": "send@0.1.4",
       "resolved": "https://registry.npmjs.org/send/-/send-0.1.4.tgz"
     },
-    "set-blocking": {
-      "version": "2.0.0",
-      "from": "set-blocking@>=2.0.0 <2.1.0",
-      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz"
-    },
     "settings-sharelatex": {
       "version": "1.1.0",
       "from": "settings-sharelatex@latest",
@@ -2082,11 +1776,6 @@
       "from": "sigmund@>=1.0.0 <1.1.0",
       "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz"
     },
-    "signal-exit": {
-      "version": "3.0.2",
-      "from": "signal-exit@>=3.0.0 <4.0.0",
-      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz"
-    },
     "sinon": {
       "version": "3.2.1",
       "from": "sinon@>=3.2.1 <3.3.0",
@@ -2151,76 +1840,12 @@
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@@ -2301,11 +1926,6 @@
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-      "resolved": "https://registry.npmjs.org/uid-number/-/uid-number-0.0.6.tgz"
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@@ -2343,11 +1963,6 @@
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@@ -2365,11 +1980,6 @@
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diff --git a/services/track-changes/package.json b/services/track-changes/package.json
index 8c632c7be4..b5320f4f5d 100644
--- a/services/track-changes/package.json
+++ b/services/track-changes/package.json
@@ -39,8 +39,7 @@
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+    "underscore": "~1.7.0"
   },
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