diff --git a/dotfiles/firefox.css b/dotfiles/firefox.css
index 8c8934c..9d0fba4 100644
--- a/dotfiles/firefox.css
+++ b/dotfiles/firefox.css
@@ -1,18 +1 @@
 /* To be symlinked in Firefox profile as chrome/userContent.css */
-
-@-moz-document domain(twitter.com) {
-    html {
-        scroll-snap-type: y proximity !important;
-    }
-
-    /* Tweets in the timeline are <article> elements */
-    article {
-        scroll-snap-align: start !important;
-    }
-
-    /* Un-stick the sticky header and make it “snappable” as well */
-    [aria-label="Home timeline"] > :first-child {
-        position: static !important;
-        scroll-snap-align: start !important;
-    }
-}
diff --git a/dotfiles/firefox.js b/dotfiles/firefox.js
index 216b296..33e34a0 100644
--- a/dotfiles/firefox.js
+++ b/dotfiles/firefox.js
@@ -81,5 +81,5 @@ user_pref("browser.safebrowsing.malware.enabled", false);
 // Don't trim URLs
 user_pref("browser.urlbar.trimURLs", false);
 
-// Enable userContent.css
-user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
+// Enable userContent.css (disabled)
+user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", false);