diff --git a/java/dds/dcps_java_optional.mpb b/java/dds/dcps_java_optional.mpb
index 3df78d584d0..9f58b5b903e 100644
--- a/java/dds/dcps_java_optional.mpb
+++ b/java/dds/dcps_java_optional.mpb
@@ -39,8 +39,7 @@ feature (built_in_topics): dcps_ts_defaults, idl2jni {
     idl2jniflags += -SS -I$(TAO_ROOT) -I$(DDS_ROOT) -I$(DDS_ROOT)/dds \
                     -Wb,stub_export_include=dcps_java_export.h \
                     -Wb,stub_export_macro=dcps_java_Export
-    $(DDS_ROOT)/dds/DdsDcpsCoreTypeSupport.idl << DdsDcpsTypeSupportExtJC.h
-    //$(DDS_ROOT)/dds/DdsDcpsInfrastructureTypeSupport.idl << DdsDcpsTypeSupportExtJC.h
+    $(DDS_ROOT)/dds/DdsDcpsCoreTypeSupport.idl
   }
 
   Define_Custom(TypeSupportJavaOnly) {