diff --git a/package.json b/package.json
index b673c9d0..5c8fe22d 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,6 @@
     "butterchurn": "^2.5.4",
     "butterchurn-presets": "^2.4.7",
     "canvas-mock": "0.0.0",
-    "cardinal-spline-js": "^2.3.9",
     "classnames": "^2.2.5",
     "copy-webpack-plugin": "^4.5.1",
     "css-loader": "^0.28.4",
diff --git a/yarn.lock b/yarn.lock
index f8fe0c59..a7a085d0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1730,10 +1730,6 @@ capture-exit@^1.2.0:
   dependencies:
     rsvp "^3.3.3"
 
-cardinal-spline-js@^2.3.9:
-  version "2.3.9"
-  resolved "https://registry.yarnpkg.com/cardinal-spline-js/-/cardinal-spline-js-2.3.9.tgz#7e7cbbb4aad69a3ba1787cde82f63318e8b95d05"
-
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"