diff --git a/install/ApplicationInstaller/Action/Base.php b/install/ApplicationInstaller/Action/Base.php
index a0ffea0..9bc8e30 100755
--- a/install/ApplicationInstaller/Action/Base.php
+++ b/install/ApplicationInstaller/Action/Base.php
@@ -10,17 +10,6 @@ abstract class Base
         rename(\Rails::publicPath() . '/index', \Rails::publicPath() . '/index.php');
     }
     
-    protected function deleteInstallFiles()
-    {
-        \Rails\Toolbox\FileTools::emptyDir($this->root());
-        
-        # We may not have permissions to delete the dir
-        try {
-            unlink($this->root());
-        } catch (\Exception $e) {
-        }
-    }
-    
     protected function root()
     {
         return __DIR__ . '/../..';
diff --git a/install/ApplicationInstaller/Action/Install.php b/install/ApplicationInstaller/Action/Install.php
index f016fdd..363f7ff 100755
--- a/install/ApplicationInstaller/Action/Install.php
+++ b/install/ApplicationInstaller/Action/Install.php
@@ -25,7 +25,6 @@ class Install extends Base
         $this->setLoginCookies();
         $this->createPublicDataDirs();
         $this->renameIndex();
-        $this->deleteInstallFiles();
     }
     
     private function createTables()
diff --git a/install/ApplicationInstaller/Action/Update.php b/install/ApplicationInstaller/Action/Update.php
index 152f3c2..d2f79e5 100755
--- a/install/ApplicationInstaller/Action/Update.php
+++ b/install/ApplicationInstaller/Action/Update.php
@@ -18,7 +18,6 @@ class Update extends Base
         $this->executeQueries();
         $this->createHistory();
         $this->renameIndex();
-        $this->deleteInstallFiles();
     }
     
     private function executeQueries()