diff --git a/Modules/ThirdParty/TinyXML/src/otb_tinyxml.h.in b/Modules/ThirdParty/TinyXML/src/otb_tinyxml.h.in
index 2be397901a7b43c559daf545fd2b42d9bd6d2e02..25792783b5d057b4e6ecb11092ef3d3bae2a171f 100644
--- a/Modules/ThirdParty/TinyXML/src/otb_tinyxml.h.in
+++ b/Modules/ThirdParty/TinyXML/src/otb_tinyxml.h.in
@@ -23,9 +23,6 @@
 #endif
 
 #include "tinyxml.h"
-#ifdef DEBUG
-#undef DEBUG
-#endif
 
 #endif