diff --git a/CMakeLists.txt b/CMakeLists.txt
index deeb3a7..c3dd0a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,6 @@ add_definitions(${PROJECT_CXX_FLAGS})
 xo_add_genfacetimpl(
     TARGET xo-stringtable2-facetimpl-gcobject-string
     FACET_PKG xo_alloc2
-    FACET GCObject
 #    REPR String
     INPUT idl/IGCObject_DString.json5
 )
@@ -32,7 +31,6 @@ xo_add_genfacetimpl(
 xo_add_genfacetimpl(
     TARGET xo-stringtable2-facetimpl-printable-string
     FACET_PKG xo_printable2
-    FACET Printable
 #    REPR String
     INPUT idl/IPrintable_DString.json5
 )
@@ -43,7 +41,6 @@ xo_add_genfacetimpl(
 xo_add_genfacetimpl(
     TARGET xo-stringtable2-facetimpl-gcobject-uniquestring
     FACET_PKG xo_alloc2
-    FACET GCObject
 #    REPR UniqueString
     INPUT idl/IGCObject_DUniqueString.json5
 )
@@ -52,7 +49,6 @@ xo_add_genfacetimpl(
 xo_add_genfacetimpl(
     TARGET xo-stringtable2-facetimpl-printable-uniquestring
     FACET_PKG xo_printable2
-    FACET Printable
 #    REPR UniqueString
     INPUT idl/IPrintable_DUniqueString.json5
 )