diff --git a/resources/Content/tweetdeck/tweetdeck.css b/resources/Content/tweetdeck/tweetdeck.css
index def1e39e..9cdba839 100644
--- a/resources/Content/tweetdeck/tweetdeck.css
+++ b/resources/Content/tweetdeck/tweetdeck.css
@@ -133,6 +133,14 @@ button {
   bottom: 192px !important;
 }
 
+/***********************/
+/* Hide Preview button */
+/***********************/
+
+.js-gryphon-beta-btn {
+  display: none !important;
+}
+
 /*************************************/
 /* Tweak collapsed left panel layout */
 /*************************************/