diff --git a/ui/angular.json b/ui/angular.json
index 1d980b5dc..bf416b4bd 100644
--- a/ui/angular.json
+++ b/ui/angular.json
@@ -52,7 +52,6 @@
               "optimization": true,
               "outputHashing": "all",
               "sourceMap": false,
-              "extractCss": true,
               "namedChunks": false,
               "aot": true,
               "extractLicenses": true,