diff --git a/Install.ps1 b/Install.ps1
index 331b220..9ecbea1 100644
--- a/Install.ps1
+++ b/Install.ps1
@@ -45,6 +45,9 @@ param
     [Parameter(HelpMessage = 'Do not hide the icon of collaborations in playlists.')]
     [switch]$hide_col_icon_off,
     
+    [Parameter(HelpMessage = 'disable new right sidebar.')]
+    [switch]$rightsidebar_off,
+
     [Parameter(HelpMessage = 'Do not enable enhance playlist.')]
     [switch]$enhance_playlist_off,
     
@@ -985,8 +988,14 @@ function Helper($paramname) {
             }
             # New theme
             else {
-                if (!($rightsidebarcolor)) { $remEnable.remove('RightSidebarColors') }
-                if ($old_lyrics) { $remEnable.remove('RightSidebarLyrics') } 
+                if ($rightsidebar_off) { 
+                    $RightSidebar = $webjson.others.EnableExp.RightSidebar
+                    $webjson.others.DisableExp | Add-Member -MemberType NoteProperty -Name "RightSidebar" -Value $RightSidebar
+                }
+                else {
+                    if (!($rightsidebarcolor)) { $remEnable.remove('RightSidebarColors') }
+                    if ($old_lyrics) { $remEnable.remove('RightSidebarLyrics') } 
+                }
             }
             if (!$premium) { $remEnable.remove('RemoteDownloads') }
 
@@ -1430,21 +1439,6 @@ If ($test_spa) {
             $css += $webjson.others.veryhighstream.add
         }
 
-        # New UI fix
-        if ([version]$offline -ge [version]"1.1.94.864" -and $new_theme) {
-            if ([version]$offline -lt [version]"1.2.3.1107") {
-                $css += $webjson.others.navaltfix.add[0]
-            }
-            if ([version]$offline -ge [version]"1.2.3.1107") {
-                $css += $webjson.others.navaltfix.add[1]
-            }
-            if ([version]$offline -ge [version]"1.2.6.861" -and [version]$offline -le [version]"1.2.6.863") {
-                $css += $webjson.others.leftsidebarfix.add
-            }
-            $css += $webjson.others.navaltfix.add[2]
-            $css += $webjson.others.navaltfix.add[3]
-            $css += $webjson.others.navaltfix.add[4]
-        }
         if ($null -ne $css ) { extract -counts 'one' -method 'zip' -name 'xpui.css' -add $css }
     }
     
diff --git a/patches/patches.json b/patches/patches.json
index 0743c4e..81e51dd 100644
--- a/patches/patches.json
+++ b/patches/patches.json
@@ -894,26 +894,6 @@
                 "$1(--lyrics-color-maxmatch)!important"
             ]
         },
-        "navaltfix": {
-            "version": {
-                "fr": "1.1.94",
-                "to": ""
-            },
-            "add": [
-                " .nav-alt .Root__top-container {background: #00000085;gap: 6px;padding: 8px;}",
-                " .nav-ylx .Root__top-container, .nav-ylx .ZQftYELq0aOsg6tPbVbV {background: #090909;}",
-                " .Root__fixed-top-bar {background-color: #00000000}",
-                " .Root__nav-bar{background-color: #0000}",
-                " .nav-ylx .sqKERfoKl4KwrtHqcKOd { background: #090909;}"
-            ]
-        },
-        "leftsidebarfix": {
-            "version": {
-                "fr": "1.2.6",
-                "to": "1.2.6"
-            },
-            "add": " .yOKoknIYYzAE90pe7_SE.Yn2Ei5QZn19gria6LjZj {pointer-events: none;}"
-        },
         "collaboration": {
             "version": {
                 "fr": "1.1.73",