diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
deleted file mode 100644
index e7fbb714f3..0000000000
--- a/npm-shrinkwrap.json
+++ /dev/null
@@ -1,221 +0,0 @@
-{
-  "name": "node-js-sample",
-  "version": "0.2.0",
-  "dependencies": {
-    "express": {
-      "version": "4.12.3",
-      "from": "express@>=4.0.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.12.3.tgz",
-      "dependencies": {
-        "accepts": {
-          "version": "1.2.5",
-          "from": "accepts@>=1.2.5 <1.3.0",
-          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.2.5.tgz",
-          "dependencies": {
-            "mime-types": {
-              "version": "2.0.10",
-              "from": "mime-types@>=2.0.10 <2.1.0",
-              "resolved": "http://174.129.255.150:4873/mime-types/-/mime-types-2.0.10.tgz",
-              "dependencies": {
-                "mime-db": {
-                  "version": "1.8.0",
-                  "from": "mime-db@>=1.8.0 <1.9.0",
-                  "resolved": "http://174.129.255.150:4873/mime-db/-/mime-db-1.8.0.tgz"
-                }
-              }
-            },
-            "negotiator": {
-              "version": "0.5.1",
-              "from": "negotiator@0.5.1",
-              "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.5.1.tgz"
-            }
-          }
-        },
-        "content-disposition": {
-          "version": "0.5.0",
-          "from": "content-disposition@0.5.0",
-          "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.0.tgz"
-        },
-        "content-type": {
-          "version": "1.0.1",
-          "from": "content-type@>=1.0.1 <1.1.0",
-          "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.1.tgz"
-        },
-        "cookie": {
-          "version": "0.1.2",
-          "from": "cookie@0.1.2",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.1.2.tgz"
-        },
-        "cookie-signature": {
-          "version": "1.0.6",
-          "from": "cookie-signature@1.0.6",
-          "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz"
-        },
-        "debug": {
-          "version": "2.1.3",
-          "from": "debug@>=2.1.3 <2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.1.3.tgz",
-          "dependencies": {
-            "ms": {
-              "version": "0.7.0",
-              "from": "ms@0.7.0",
-              "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.0.tgz"
-            }
-          }
-        },
-        "depd": {
-          "version": "1.0.1",
-          "from": "depd@>=1.0.0 <1.1.0",
-          "resolved": "https://registry.npmjs.org/depd/-/depd-1.0.1.tgz"
-        },
-        "escape-html": {
-          "version": "1.0.1",
-          "from": "escape-html@1.0.1",
-          "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.1.tgz"
-        },
-        "etag": {
-          "version": "1.5.1",
-          "from": "etag@>=1.5.1 <1.6.0",
-          "resolved": "https://registry.npmjs.org/etag/-/etag-1.5.1.tgz",
-          "dependencies": {
-            "crc": {
-              "version": "3.2.1",
-              "from": "crc@3.2.1",
-              "resolved": "https://registry.npmjs.org/crc/-/crc-3.2.1.tgz"
-            }
-          }
-        },
-        "finalhandler": {
-          "version": "0.3.4",
-          "from": "finalhandler@0.3.4",
-          "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-0.3.4.tgz"
-        },
-        "fresh": {
-          "version": "0.2.4",
-          "from": "fresh@0.2.4",
-          "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.2.4.tgz"
-        },
-        "merge-descriptors": {
-          "version": "1.0.0",
-          "from": "merge-descriptors@1.0.0",
-          "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.0.tgz"
-        },
-        "methods": {
-          "version": "1.1.1",
-          "from": "methods@>=1.1.1 <1.2.0",
-          "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.1.tgz"
-        },
-        "on-finished": {
-          "version": "2.2.0",
-          "from": "on-finished@>=2.2.0 <2.3.0",
-          "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.2.0.tgz",
-          "dependencies": {
-            "ee-first": {
-              "version": "1.1.0",
-              "from": "ee-first@1.1.0",
-              "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.0.tgz"
-            }
-          }
-        },
-        "parseurl": {
-          "version": "1.3.0",
-          "from": "parseurl@>=1.3.0 <1.4.0",
-          "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.0.tgz"
-        },
-        "path-to-regexp": {
-          "version": "0.1.3",
-          "from": "path-to-regexp@0.1.3",
-          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.3.tgz"
-        },
-        "proxy-addr": {
-          "version": "1.0.7",
-          "from": "proxy-addr@>=1.0.7 <1.1.0",
-          "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-1.0.7.tgz",
-          "dependencies": {
-            "forwarded": {
-              "version": "0.1.0",
-              "from": "forwarded@>=0.1.0 <0.2.0",
-              "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.0.tgz"
-            },
-            "ipaddr.js": {
-              "version": "0.1.9",
-              "from": "ipaddr.js@0.1.9",
-              "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-0.1.9.tgz"
-            }
-          }
-        },
-        "qs": {
-          "version": "2.4.1",
-          "from": "qs@2.4.1",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-2.4.1.tgz"
-        },
-        "range-parser": {
-          "version": "1.0.2",
-          "from": "range-parser@>=1.0.2 <1.1.0",
-          "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.0.2.tgz"
-        },
-        "send": {
-          "version": "0.12.2",
-          "from": "send@0.12.2",
-          "resolved": "https://registry.npmjs.org/send/-/send-0.12.2.tgz",
-          "dependencies": {
-            "destroy": {
-              "version": "1.0.3",
-              "from": "destroy@1.0.3",
-              "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.3.tgz"
-            },
-            "mime": {
-              "version": "1.3.4",
-              "from": "mime@1.3.4",
-              "resolved": "https://registry.npmjs.org/mime/-/mime-1.3.4.tgz"
-            },
-            "ms": {
-              "version": "0.7.0",
-              "from": "ms@0.7.0",
-              "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.0.tgz"
-            }
-          }
-        },
-        "serve-static": {
-          "version": "1.9.2",
-          "from": "serve-static@>=1.9.2 <1.10.0",
-          "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.9.2.tgz"
-        },
-        "type-is": {
-          "version": "1.6.1",
-          "from": "type-is@>=1.6.1 <1.7.0",
-          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.1.tgz",
-          "dependencies": {
-            "media-typer": {
-              "version": "0.3.0",
-              "from": "media-typer@0.3.0",
-              "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz"
-            },
-            "mime-types": {
-              "version": "2.0.10",
-              "from": "mime-types@>=2.0.10 <2.1.0",
-              "resolved": "http://174.129.255.150:4873/mime-types/-/mime-types-2.0.10.tgz",
-              "dependencies": {
-                "mime-db": {
-                  "version": "1.8.0",
-                  "from": "mime-db@>=1.8.0 <1.9.0",
-                  "resolved": "http://174.129.255.150:4873/mime-db/-/mime-db-1.8.0.tgz"
-                }
-              }
-            }
-          }
-        },
-        "vary": {
-          "version": "1.0.0",
-          "from": "vary@>=1.0.0 <1.1.0",
-          "resolved": "https://registry.npmjs.org/vary/-/vary-1.0.0.tgz"
-        },
-        "utils-merge": {
-          "version": "1.0.0",
-          "from": "utils-merge@1.0.0",
-          "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.0.tgz"
-        }
-      }
-    }
-  }
-}