diff --git a/internal_packages/ui-dark/package.json b/internal_packages/ui-dark/package.json
index 8b4668e34..43a79762c 100644
--- a/internal_packages/ui-dark/package.json
+++ b/internal_packages/ui-dark/package.json
@@ -8,6 +8,5 @@
   "engines": {
     "nylas": "*"
   },
-  "styleSheets": ["email-frame"],
   "private": true
 }
diff --git a/internal_packages/ui-dark/styles/email-frame.less b/internal_packages/ui-dark/styles/email-frame.less
deleted file mode 100644
index 4367a3d4b..000000000
--- a/internal_packages/ui-dark/styles/email-frame.less
+++ /dev/null
@@ -1,10 +0,0 @@
-
-.ignore-in-parent-frame {
-  body {
-    -webkit-filter: invert() hue-rotate(180deg);
-    color: #111;
-  }
-  img {
-    -webkit-filter: invert() hue-rotate(180deg);
-  }
-}