diff --git a/package.json b/package.json
index 317583080..c5ae0eb02 100644
--- a/package.json
+++ b/package.json
@@ -101,8 +101,6 @@
     "lodash.unionwith": "4.6.0",
     "node-polyglot": "2.3.0",
     "piwik-react-router": "0.12.1",
-    "preact": "8.3.1",
-    "preact-compat": "3.18.4",
     "react-autosuggest": "9.4.2",
     "react-redux": "5.1.1",
     "redux": "3.7.2",
diff --git a/yarn.lock b/yarn.lock
index b9da46422..8fb22ab09 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6702,13 +6702,6 @@ immediate@3.0.6, immediate@~3.0.5:
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
   integrity sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=
 
-immutability-helper@^2.7.1:
-  version "2.8.1"
-  resolved "https://registry.yarnpkg.com/immutability-helper/-/immutability-helper-2.8.1.tgz#3c5ec05fcd83676bfae7146f319595243ad904f4"
-  integrity sha512-8AVB5EUpRBUdXqfe4cFsFECsOIZ9hX/Arl8B8S9/tmwpYv3UWvOsXUPOjkuZIMaVxfSWkxCzkng1rjmEoSWrxQ==
-  dependencies:
-    invariant "^2.2.0"
-
 import-cwd@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/import-cwd/-/import-cwd-2.1.0.tgz#aa6cf36e722761285cb371ec6519f53e2435b0a9"
@@ -10625,30 +10618,7 @@ pouchdb@6.4.3:
     uuid "3.2.1"
     vuvuzela "1.0.3"
 
-preact-compat@3.18.4:
-  version "3.18.4"
-  resolved "https://registry.yarnpkg.com/preact-compat/-/preact-compat-3.18.4.tgz#fbe76ddd30356c68e3ccde608107104946f2cf8d"
-  integrity sha512-aR5CvCIDerE2Y201ERVkWQdTAQKhKGNYujEk4tbyfQDInFTrnCCa3KCeGtULZrwy0PNRBjdQa2/Za7qv7ALNFg==
-  dependencies:
-    immutability-helper "^2.7.1"
-    preact-render-to-string "^3.8.2"
-    preact-transition-group "^1.1.1"
-    prop-types "^15.6.2"
-    standalone-react-addons-pure-render-mixin "^0.1.1"
-
-preact-render-to-string@^3.8.2:
-  version "3.8.2"
-  resolved "https://registry.yarnpkg.com/preact-render-to-string/-/preact-render-to-string-3.8.2.tgz#bd72964d705a57da3a9e72098acaa073dd3ceff9"
-  integrity sha512-przuZPajiurStGgxMoJP0EJeC4xj5CgHv+M7GfF3YxAdhGgEWAkhOSE0xympAFN20uMayntBZpttIZqqLl77fw==
-  dependencies:
-    pretty-format "^3.5.1"
-
-preact-transition-group@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/preact-transition-group/-/preact-transition-group-1.1.1.tgz#f0a49327ea515ece34ea2be864c4a7d29e5d6e10"
-  integrity sha1-8KSTJ+pRXs406ivoZMSn0p5dbhA=
-
-preact@8.3.1, preact@^8.3.1:
+preact@^8.3.1:
   version "8.3.1"
   resolved "https://registry.yarnpkg.com/preact/-/preact-8.3.1.tgz#ed34f79d09edc5efd32a378a3416ef5dc531e3ac"
   integrity sha512-s8H1Y8O9e+mOBo3UP1jvWqArPmjCba2lrrGLlq/0kN1XuIINUbYtf97iiXKxCuG3eYwmppPKnyW2DBrNj/TuTg==
@@ -10722,11 +10692,6 @@ pretty-format@^23.6.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-pretty-format@^3.5.1:
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-3.8.0.tgz#bfbed56d5e9a776645f4b1ff7aa1a3ac4fa3c385"
-  integrity sha1-v77VbV6ad2ZF9LH/eqGjrE+jw4U=
-
 pretty@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/pretty/-/pretty-2.0.0.tgz#adbc7960b7bbfe289a557dc5f737619a220d06a5"
@@ -12541,11 +12506,6 @@ stack-utils@^1.0.1:
   resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
   integrity sha1-1PM6tU6OOHeLDKXP07OvsS22hiA=
 
-standalone-react-addons-pure-render-mixin@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/standalone-react-addons-pure-render-mixin/-/standalone-react-addons-pure-render-mixin-0.1.1.tgz#3c7409f4c79c40de9ac72c616cf679a994f37551"
-  integrity sha1-PHQJ9MecQN6axyxhbPZ5qZTzdVE=
-
 static-extend@^0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"