diff --git a/package.json b/package.json
index 9055468..f3ba3b5 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,6 @@
     "dropperx": "0.2.1",
     "graphql": "^0.13.2",
     "highlight.js": "^9.12.0",
-    "history": "^4.7.2",
     "lodash.debounce": "^4.0.8",
     "match-sorter": "^2.2.0",
     "morphmorph": "^0.1.0",
diff --git a/yarn.lock b/yarn.lock
index c3f7805..4c25d2b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2892,16 +2892,6 @@ highlight.js@^9.12.0:
   version "9.12.0"
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
 
-history@^4.7.2:
-  version "4.7.2"
-  resolved "https://registry.yarnpkg.com/history/-/history-4.7.2.tgz#22b5c7f31633c5b8021c7f4a8a954ac139ee8d5b"
-  dependencies:
-    invariant "^2.2.1"
-    loose-envify "^1.2.0"
-    resolve-pathname "^2.2.0"
-    value-equal "^0.4.0"
-    warning "^3.0.0"
-
 hmac-drbg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -3078,7 +3068,7 @@ interpret@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
-invariant@^2.1.0, invariant@^2.2.0, invariant@^2.2.1, invariant@^2.2.2, invariant@^2.2.4:
+invariant@^2.1.0, invariant@^2.2.0, invariant@^2.2.2, invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   dependencies:
@@ -3724,7 +3714,7 @@ longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
 
-loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.2.0, loose-envify@^1.3.1:
+loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
   dependencies:
@@ -5028,10 +5018,6 @@ resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
-resolve-pathname@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/resolve-pathname/-/resolve-pathname-2.2.0.tgz#7e9ae21ed815fd63ab189adeee64dc831eefa879"
-
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
@@ -5880,10 +5866,6 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
-value-equal@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/value-equal/-/value-equal-0.4.0.tgz#c5bdd2f54ee093c04839d71ce2e4758a6890abc7"
-
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
@@ -5904,12 +5886,6 @@ walk@2.3.9:
   dependencies:
     foreachasync "^3.0.0"
 
-warning@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/warning/-/warning-3.0.0.tgz#32e5377cb572de4ab04753bdf8821c01ed605b7c"
-  dependencies:
-    loose-envify "^1.0.0"
-
 watchpack@^1.4.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"