diff --git a/indra/llcommon/linden_common.h b/indra/llcommon/linden_common.h
index f0a5603d06ca537a510f6572f64ff55ddb031e43..5cfcdab41cd331c43df806e628e0ace851492b89 100644
--- a/indra/llcommon/linden_common.h
+++ b/indra/llcommon/linden_common.h
@@ -59,8 +59,4 @@
 #include "llerror.h"
 #include "llfile.h"
 
-// Boost 1.45 had version 2 as the default for the filesystem library,
-// 1.48 has version 3 as the default.  Keep compatibility for now.
-#define BOOST_FILESYSTEM_VERSION		2
-
 #endif