diff --git a/package.json b/package.json
index 090761a75..0399427a8 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,6 @@
     "cloneable-readable": "2.0.0",
     "colors": "1.3.2",
     "commander": "2.18.0",
-    "compression-webpack-plugin": "2.0.0",
     "css-loader": "1.0.0",
     "date-and-time": "0.6.2",
     "decompress": "4.2.0",
diff --git a/yarn.lock b/yarn.lock
index 1790a1edd..9fd6405c0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2752,26 +2752,6 @@ cacache@^10.0.4:
     unique-filename "^1.1.0"
     y18n "^4.0.0"
 
-cacache@^11.2.0:
-  version "11.3.1"
-  resolved "https://registry.yarnpkg.com/cacache/-/cacache-11.3.1.tgz#d09d25f6c4aca7a6d305d141ae332613aa1d515f"
-  integrity sha512-2PEw4cRRDu+iQvBTTuttQifacYjLPhET+SYO/gEFMy8uhi+jlJREDAjSF5FWSdV/Aw5h18caHA7vMTw2c+wDzA==
-  dependencies:
-    bluebird "^3.5.1"
-    chownr "^1.0.1"
-    figgy-pudding "^3.1.0"
-    glob "^7.1.2"
-    graceful-fs "^4.1.11"
-    lru-cache "^4.1.3"
-    mississippi "^3.0.0"
-    mkdirp "^0.5.1"
-    move-concurrently "^1.0.1"
-    promise-inflight "^1.0.1"
-    rimraf "^2.6.2"
-    ssri "^6.0.0"
-    unique-filename "^1.1.0"
-    y18n "^4.0.0"
-
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -3295,18 +3275,6 @@ component-emitter@^1.2.1:
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
   integrity sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
 
-compression-webpack-plugin@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/compression-webpack-plugin/-/compression-webpack-plugin-2.0.0.tgz#46476350c1eb27f783dccc79ac2f709baa2cffbc"
-  integrity sha512-bDgd7oTUZC8EkRx8j0sjyCfeiO+e5sFcfgaFcjVhfQf5lLya7oY2BczxcJ7IUuVjz5m6fy8IECFmVFew3xLk8Q==
-  dependencies:
-    cacache "^11.2.0"
-    find-cache-dir "^2.0.0"
-    neo-async "^2.5.0"
-    schema-utils "^1.0.0"
-    serialize-javascript "^1.4.0"
-    webpack-sources "^1.0.1"
-
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -5212,11 +5180,6 @@ fecha@^2.3.3:
   resolved "https://registry.yarnpkg.com/fecha/-/fecha-2.3.3.tgz#948e74157df1a32fd1b12c3a3c3cdcb6ec9d96cd"
   integrity sha512-lUGBnIamTAwk4znq5BcqsDaxSmZ9nDVJaij6NvRt/Tg4R69gERA+otPKbS86ROw9nxVMw2/mp1fnaiWqbs6Sdg==
 
-figgy-pudding@^3.1.0, figgy-pudding@^3.5.1:
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
-  integrity sha512-vNKxJHTEKNThjfrdJwHc7brvM6eVevuO5nTj6ez8ZQ1qbXTvGthucRF7S4vf2cr71QVnT70V34v0S1DyQsti0w==
-
 figures@^1.3.5, figures@^1.5.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
@@ -7862,22 +7825,6 @@ mississippi@^2.0.0:
     stream-each "^1.1.0"
     through2 "^2.0.0"
 
-mississippi@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
-  integrity sha512-x471SsVjUtBRtcvd4BzKE9kFC+/2TeWgKCgw0bZcw1b9l2X3QX5vCWgF+KaZaYm87Ss//rHnWryupDrgLvmSkA==
-  dependencies:
-    concat-stream "^1.5.0"
-    duplexify "^3.4.2"
-    end-of-stream "^1.1.0"
-    flush-write-stream "^1.0.0"
-    from2 "^2.1.0"
-    parallel-transform "^1.1.0"
-    pump "^3.0.0"
-    pumpify "^1.3.3"
-    stream-each "^1.1.0"
-    through2 "^2.0.0"
-
 mixin-deep@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
@@ -10699,13 +10646,6 @@ ssri@^5.2.4:
   dependencies:
     safe-buffer "^5.1.1"
 
-ssri@^6.0.0:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-6.0.1.tgz#2a3c41b28dd45b62b63676ecb74001265ae9edd8"
-  integrity sha512-3Wge10hNcT1Kur4PDFwEieXSCMCJs/7WvSACcrMYrNp+b8kDL1/0wJch5Ni2WrtwEa2IO8OsVfeKIciKCDx/QA==
-  dependencies:
-    figgy-pudding "^3.5.1"
-
 stable@^0.1.6:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/stable/-/stable-0.1.8.tgz#836eb3c8382fe2936feaf544631017ce7d47a3cf"