diff --git a/rdf/macbuild/DOMDataSource.mcp b/rdf/macbuild/DOMDataSource.mcp
deleted file mode 100644
index e691ac2eee51..000000000000
Binary files a/rdf/macbuild/DOMDataSource.mcp and /dev/null differ
diff --git a/rdf/macbuild/DOMDataSourceIDL.mcp b/rdf/macbuild/DOMDataSourceIDL.mcp
deleted file mode 100644
index 4c7a6cdab7e9..000000000000
Binary files a/rdf/macbuild/DOMDataSourceIDL.mcp and /dev/null differ
diff --git a/rdf/macbuild/domds.prefix b/rdf/macbuild/domds.prefix
deleted file mode 100644
index c012954295a7..000000000000
--- a/rdf/macbuild/domds.prefix
+++ /dev/null
@@ -1 +0,0 @@
-#include "MacPrefix.h"
diff --git a/rdf/macbuild/domdsDebug.prefix b/rdf/macbuild/domdsDebug.prefix
deleted file mode 100644
index f4dfbf162083..000000000000
--- a/rdf/macbuild/domdsDebug.prefix
+++ /dev/null
@@ -1,2 +0,0 @@
-#define DEBUG		1
-#include "MacPrefix_debug.h"