diff --git a/src/js/assets.js b/src/js/assets.js
index b8fd7cb5c..576dc1ded 100644
--- a/src/js/assets.js
+++ b/src/js/assets.js
@@ -376,11 +376,6 @@ const getAssetSourceRegistry = function() {
 
 const registerAssetSource = function(assetKey, dict) {
     const entry = assetSourceRegistry[assetKey] || {};
-    // https://github.com/uBlockOrigin/uBlock-issues/issues/2056
-    //   An existing list may become enabled by default
-    if ( dict.off === undefined && entry.off === true ) {
-        delete entry.off;
-    }
     for ( const prop in dict ) {
         if ( dict.hasOwnProperty(prop) === false ) { continue; }
         if ( dict[prop] === undefined ) {