diff --git a/cde/include/Xm/Imakefile b/cde/include/Xm/Imakefile
index ecf765702..66268c0bf 100644
--- a/cde/include/Xm/Imakefile
+++ b/cde/include/Xm/Imakefile
@@ -12,8 +12,12 @@ ALLHEADERS = *.h
 
 BuildIncludes($(HEADERS),Xm,..)
 
+XCOMM We do not build with Motif sources on Linux, so this will never 
+XCOMM do the right thing on that platform.  Just leave XmPrivate.h as-is.
+#if !defined(LinuxArchitecture)
 XmPrivate.h: extractprototype.awk
 	awk -f extractprototype.awk $(MLIBSRC)/Xm/$(ALLHEADERS) > $@ || rm -f $@
+#endif
 
 depend::