diff --git a/static/js/compose_fade.js b/static/js/compose_fade.js
index 4ea10c6e6b..9bc73b52bd 100644
--- a/static/js/compose_fade.js
+++ b/static/js/compose_fade.js
@@ -5,8 +5,7 @@ var exports = {};
 var focused_recipient;
 var normal_display = false;
 
-var fade_heuristic = feature_flags.fade_at_stream_granularity ?
-                         util.same_major_recipient : util.same_recipient;
+var fade_heuristic = util.same_recipient;
 
 exports.set_focused_recipient = function (msg_type) {
     if (msg_type === undefined) {
diff --git a/static/js/feature_flags.js b/static/js/feature_flags.js
index 2c253d9823..29ab0ae2fa 100644
--- a/static/js/feature_flags.js
+++ b/static/js/feature_flags.js
@@ -13,10 +13,6 @@ exports.full_width = false;
 // Beta rewrite of the Bot UI; probably worth finishing and deploying
 exports.new_bot_ui = false;
 
-// Experimental feature to not fade messages that differ only in
-// topic; was not a successful experiment so can be deleted.
-exports.fade_at_stream_granularity = false;
-
 // The features below have all settled into their final states and can
 // be removed when we get a chance
 exports.cleanup_before_reload = true;