diff --git a/package.json b/package.json
index dbaf8c2b66cc1f6b1495b5932e3a36638134b1c6..40785a352fd72f53df58d956e43151b26fa42a92 100644
--- a/package.json
+++ b/package.json
@@ -101,14 +101,12 @@
     "child-process-promise": "2.2.1",
     "clean-git-ref": "2.0.1",
     "commander": "2.20.0",
-    "compare-versions": "3.4.0",
     "conventional-commits-detector": "1.0.2",
     "convert-hrtime": "3.0.0",
     "deepmerge": "3.2.0",
     "delay": "4.2.0",
     "detect-indent": "6.0.0",
     "email-addresses": "3.0.3",
-    "form-data": "2.3.3",
     "fs-extra": "8.0.1",
     "get-installed-path": "4.0.8",
     "github-url-from-git": "1.5.0",
@@ -131,14 +129,12 @@
     "moment-timezone": "0.5.25",
     "node-html-parser": "1.1.15",
     "npm": "6.9.0",
-    "openpgp": "2.6.2",
     "p-all": "2.1.0",
     "parse-diff": "0.5.1",
     "parse-link-header": "1.0.1",
     "pnpm": "3.5.0",
     "proxy-agent": "3.0.3",
     "registry-auth-token": "3.4.0",
-    "root-require": "0.3.1",
     "safe-regex": "2.0.2",
     "semver": "6.1.1",
     "semver-stable": "2.0.4",
@@ -146,7 +142,6 @@
     "simple-git": "1.113.0",
     "slugify": "1.3.4",
     "toml": "3.0.0",
-    "tomlify-j0.4": "3.0.0",
     "traverse": "0.6.6",
     "upath": "1.1.2",
     "validate-npm-package-name": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index b4ba2df0d42ba7162e945bcc78c4b2f302296384..b91d0dbfb230ede85d180ad2e55591e7ba66a69e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2302,11 +2302,6 @@ compare-func@^1.3.1:
     array-ify "^1.0.0"
     dot-prop "^3.0.0"
 
-compare-versions@3.4.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.4.0.tgz#e0747df5c9cb7f054d6d3dc3e1dbc444f9e92b26"
-  integrity sha512-tK69D7oNXXqUW3ZNo/z7NXTEz22TCF0pTE+YF9cxvaAM9XnkLo1fV621xCLrRR6aevJlKxExkss0vWqUCUpqdg==
-
 component-emitter@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
@@ -3495,7 +3490,7 @@ forever-agent@~0.6.1:
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
   integrity sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=
 
-form-data@2.3.3, form-data@~2.3.2:
+form-data@~2.3.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
   integrity sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==
@@ -4517,7 +4512,7 @@ is-retry-allowed@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
   integrity sha1-EaBgVotnM5REAz0BJaYaINVk+zQ=
 
-is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
+is-stream@^1.0.0, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
@@ -6239,14 +6234,6 @@ node-fetch-npm@^2.0.2:
     json-parse-better-errors "^1.0.0"
     safe-buffer "^5.1.1"
 
-node-fetch@^1.3.3:
-  version "1.7.3"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
-  integrity sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==
-  dependencies:
-    encoding "^0.1.11"
-    is-stream "^1.0.1"
-
 node-fetch@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.3.0.tgz#1a1d940bbfb916a1d3e0219f037e89e71f8c5fa5"
@@ -6282,13 +6269,6 @@ node-int64@^0.4.0:
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
   integrity sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=
 
-node-localstorage@~1.3.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/node-localstorage/-/node-localstorage-1.3.1.tgz#3177ef42837f398aee5dd75e319b281e40704243"
-  integrity sha512-NMWCSWWc6JbHT5PyWlNT2i8r7PgGYXVntmKawY83k/M0UJScZ5jirb61TLnqKwd815DfBQu+lR3sRw08SPzIaQ==
-  dependencies:
-    write-file-atomic "^1.1.4"
-
 node-modules-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz#8d9dbe28964a4ac5712e9131642107c71e90ec40"
@@ -6895,14 +6875,6 @@ opener@^1.5.1:
   resolved "https://registry.yarnpkg.com/opener/-/opener-1.5.1.tgz#6d2f0e77f1a0af0032aca716c2c1fbb8e7e8abed"
   integrity sha512-goYSy5c2UXE4Ra1xixabeVh1guIX/ZV/YokJksb6q2lubWu6UbvPQ20p542/sFIll1nl8JnCyK9oBaOcCWXwvA==
 
-openpgp@2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/openpgp/-/openpgp-2.6.2.tgz#1039d5070dc01c04e51fab58273fdf29a1ee098b"
-  integrity sha512-Bpgf4Dx5BKJMI0z47j4Bga4opC+oUU935MlFyNS/KZfh4gVGUGCR+P1y/22EtlgtfP9Rw6EHnpVJZ9xC+iOURg==
-  dependencies:
-    node-fetch "^1.3.3"
-    node-localstorage "~1.3.0"
-
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
@@ -7124,11 +7096,6 @@ package-json@^4.0.0:
     registry-url "^3.0.3"
     semver "^5.1.0"
 
-packpath@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/packpath/-/packpath-0.1.0.tgz#a521534222dfeaa9c612ef0c640ec399149ecdd8"
-  integrity sha1-pSFTQiLf6qnGEu8MZA7DmRSezdg=
-
 pacote@^8.1.6:
   version "8.1.6"
   resolved "https://registry.yarnpkg.com/pacote/-/pacote-8.1.6.tgz#8e647564d38156367e7a9dc47a79ca1ab278d46e"
@@ -8210,13 +8177,6 @@ rimraf@~2.4.0:
   dependencies:
     glob "^6.0.1"
 
-root-require@0.3.1:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/root-require/-/root-require-0.3.1.tgz#95e1554d63cc869a2abde3e3bfc9bbaaa1edacd3"
-  integrity sha1-leFVTWPMhpoqvePjv8m7qqHtrNM=
-  dependencies:
-    packpath "~0.1.0"
-
 rsvp@^3.3.3:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-3.6.2.tgz#2e96491599a96cde1b515d5674a8f7a91452926a"
@@ -8515,7 +8475,7 @@ slice-ansi@^2.1.0:
     astral-regex "^1.0.0"
     is-fullwidth-code-point "^2.0.0"
 
-slide@^1.1.3, slide@^1.1.5, slide@^1.1.6, slide@~1.1.3, slide@~1.1.6:
+slide@^1.1.3, slide@^1.1.6, slide@~1.1.3, slide@~1.1.6:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/slide/-/slide-1.1.6.tgz#56eb027d65b4d2dce6cb2e2d32c4d4afc9e1d707"
   integrity sha1-VusCfWW00tzmyy4tMsTUr8nh1wc=
@@ -9128,11 +9088,6 @@ toml@3.0.0:
   resolved "https://registry.yarnpkg.com/toml/-/toml-3.0.0.tgz#342160f1af1904ec9d204d03a5d61222d762c5ee"
   integrity sha512-y/mWCZinnvxjTKYhJ+pYxwD0mRLVvOtdS2Awbgxln6iEnt4rk0yBxeSBHkGJcPucRiG0e55mwWp+g/05rsrd6w==
 
-tomlify-j0.4@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/tomlify-j0.4/-/tomlify-j0.4-3.0.0.tgz#99414d45268c3a3b8bf38be82145b7bba34b7473"
-  integrity sha512-2Ulkc8T7mXJ2l0W476YC/A209PR38Nw8PuaCNtk9uI3t1zzFdGQeWYGQvmj2PZkVvRC/Yoi4xQKMRnWc/N29tQ==
-
 tough-cookie@^2.3.3, tough-cookie@^2.3.4, tough-cookie@^2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
@@ -9708,15 +9663,6 @@ write-file-atomic@2.4.1:
     imurmurhash "^0.1.4"
     signal-exit "^3.0.2"
 
-write-file-atomic@^1.1.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-1.3.4.tgz#f807a4f0b1d9e913ae7a48112e6cc3af1991b45f"
-  integrity sha1-+Aek8LHZ6ROuekgRLmzDrxmRtF8=
-  dependencies:
-    graceful-fs "^4.1.11"
-    imurmurhash "^0.1.4"
-    slide "^1.1.5"
-
 write-file-atomic@^2.0.0, write-file-atomic@^2.3.0, write-file-atomic@^2.4.2:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-2.4.2.tgz#a7181706dfba17855d221140a9c06e15fcdd87b9"