diff --git a/webpack.config.js b/webpack.config.js
index 57b1e4d285..fd4c4e49de 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -243,7 +243,7 @@ module.exports = (env, argv) => {
                                     require("postcss-easings")(),
                                     require("postcss-strip-inline-comments")(),
                                     require("postcss-hexrgba")(),
-                                    require("postcss-calc")({warnWhenCannotResolve: true}),
+                                    require("postcss-calc")(),
 
                                     // It's important that this plugin is last otherwise we end
                                     // up with broken CSS.