diff --git a/src/cxxTemplates/Makefile.Host b/src/cxxTemplates/Makefile.Host
index be6dd1722..e635ace03 100644
--- a/src/cxxTemplates/Makefile.Host
+++ b/src/cxxTemplates/Makefile.Host
@@ -4,7 +4,6 @@ include $(TOP)/config/CONFIG_BASE
 INC += resourceLib.h
 INC += tsDLList.h
 INC += tsSLList.h
-INC += tsBTree.h
 INC += tsMinMax.h
 
 include $(TOP)/config/RULES.Host