diff --git a/scripts/Windows/Software/Firefox/Install.ps1 b/scripts/Windows/Software/Firefox/Install.ps1
index dc9c72a7..174c299f 100644
--- a/scripts/Windows/Software/Firefox/Install.ps1
+++ b/scripts/Windows/Software/Firefox/Install.ps1
@@ -23,15 +23,12 @@ function Install-Firefox {
     $extensions = @(
         ".htm",
         ".html",
-        ".mht",
-        ".mhtml",
         ".svg",
         ".xht",
         ".xhtml"
     );
 
     $schemes = @(
-        "ftp",
         "http",
         "https"
     );