Index: Slim/Utils/MySQLHelper.pm
===================================================================
--- Slim/Utils/MySQLHelper.pm	(revision 25403)
+++ Slim/Utils/MySQLHelper.pm	(working copy)
@@ -73,6 +73,9 @@
 
 		$log->info("Not starting MySQL - looks to be user/system configured.");
 		Slim::Utils::OSDetect::getOS->initMySQL($class);
+
+		# because we never enter $class->dbh on this code path, we call $^W = 0 in this place
+		$^W = 0;
 		
 		return 1;
 	}