diff --git a/package.json b/package.json
index d3d60057d56881d9383ac4c9c3264df2c4f0a7e4..aa92123a75476562ef0114d41ec4ee16049272a6 100644
--- a/package.json
+++ b/package.json
@@ -167,8 +167,7 @@
     "upath": "1.2.0",
     "validate-npm-package-name": "3.0.0",
     "www-authenticate": "0.6.2",
-    "xmldoc": "1.1.2",
-    "yawn-yaml": "1.5.0"
+    "xmldoc": "1.1.2"
   },
   "optionalDependencies": {
     "re2": "1.14.0"
diff --git a/yarn.lock b/yarn.lock
index f8df4372ba02b796ee0986c18fe4f50ae7c10ff2..088842b88125988c174e086c903295f94ac2da62 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5853,7 +5853,7 @@ jmespath@0.15.0:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-yaml@3.14.0, js-yaml@^3.13.1, js-yaml@^3.4.2:
+js-yaml@3.14.0, js-yaml@^3.13.1:
   version "3.14.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.0.tgz#a7a34170f26a21bb162424d8adacb4113a69e482"
   integrity sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==
@@ -6376,7 +6376,7 @@ lodash.without@~4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.without/-/lodash.without-4.4.0.tgz#3cd4574a00b67bae373a94b748772640507b7aac"
   integrity sha1-PNRXSgC2e643OpS3SHcmQFB7eqw=
 
-lodash@4.17.15, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4:
+lodash@4.17.15, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -10554,11 +10554,6 @@ yallist@^4.0.0:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
   integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
 
-yaml-js@^0.1.3:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/yaml-js/-/yaml-js-0.1.5.tgz#a01369010b3558d8aaed2394615dfd0780fd8fac"
-  integrity sha1-oBNpAQs1WNiq7SOUYV39B4D9j6w=
-
 yaml@^1.7.2:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/yaml/-/yaml-1.10.0.tgz#3b593add944876077d4d683fee01081bd9fff31e"
@@ -10646,12 +10641,3 @@ yargs@^8.0.2:
     which-module "^2.0.0"
     y18n "^3.2.1"
     yargs-parser "^7.0.0"
-
-yawn-yaml@1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/yawn-yaml/-/yawn-yaml-1.5.0.tgz#95fba7544d5375fce3dc84514f12218ed0d2ebcb"
-  integrity sha512-sH2zX9K1QiWhWh9U19pye660qlzrEAd5c4ebw/6lqz17LZw7xYi7nqXlBoVLVtc2FZFXDKiJIsvVcKGYbLVyFQ==
-  dependencies:
-    js-yaml "^3.4.2"
-    lodash "^4.17.11"
-    yaml-js "^0.1.3"