diff --git a/package.json b/package.json
index 3a33f26..366e20b 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "license": "MPL 2.0",
   "private": true,
   "scripts": {
-    "build": "sass src/userChrome.scss ./userChrome.css && sass src/userContent.scss ./userContent.css && prettier --write userChrome.css userContent.css",
+    "build": "sass --no-source-map src/userChrome.scss ./userChrome.css && sass --no-source-map src/userContent.scss ./userContent.css && prettier --write userChrome.css userContent.css",
     "format": "prettier --write .",
     "test": "jest"
   },
diff --git a/userChrome.css b/userChrome.css
index a8e5745..9e25bc0 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -7073,5 +7073,3 @@
     --menuitem-image: url("chrome://browser/skin/onion.svg");
   }
 }
-
-/*# sourceMappingURL=userChrome.css.map */
diff --git a/userContent.css b/userContent.css
index 7bc3f33..20f2482 100644
--- a/userContent.css
+++ b/userContent.css
@@ -2650,5 +2650,3 @@
     }
   }
 }
-
-/*# sourceMappingURL=userContent.css.map */