diff --git a/compiler/ilgen/OMRIlType.hpp b/compiler/ilgen/OMRIlType.hpp
index f3681ae63e8..63ee4c0896e 100644
--- a/compiler/ilgen/OMRIlType.hpp
+++ b/compiler/ilgen/OMRIlType.hpp
@@ -25,6 +25,10 @@
 #include "il/DataTypes.hpp"
 
 class TR_Memory;
+#ifndef TR_ALLOC
+#define TR_ALLOC(x)
+#endif
+
 
 namespace TR { class IlType; }
 
diff --git a/compiler/ilgen/OMRIlValue.hpp b/compiler/ilgen/OMRIlValue.hpp
index 2e2a9f59e9f..d6efe30207d 100644
--- a/compiler/ilgen/OMRIlValue.hpp
+++ b/compiler/ilgen/OMRIlValue.hpp
@@ -23,6 +23,9 @@
 #define OMR_ILVALUE_INCL
 
 #include "il/DataTypes.hpp" // for TR::DataType
+#ifndef TR_ALLOC
+#define TR_ALLOC(x)
+#endif
 
 namespace TR { class Node; }
 namespace TR { class TreeTop; }