diff --git a/mozilla/rdf/base/idl/makefile.win b/mozilla/rdf/base/idl/makefile.win
index fbf58a4c055..36477d917de 100644
--- a/mozilla/rdf/base/idl/makefile.win
+++ b/mozilla/rdf/base/idl/makefile.win
@@ -32,7 +32,6 @@ XPIDLSRCS=      .\nsIRDFNode.idl                  \
                 .\nsIRDFXMLSink.idl               \
                 .\nsIRDFXMLSource.idl             \
                 .\nsIController.idl               \
-                .\nsIGenericCommandSet.idl        \
                 .\xulstubs.idl                    \
                 .\nsIXULSortService.idl           \
                 $(NULL)