diff --git a/dix/Makefile.am b/dix/Makefile.am
index a1f02c1b6..3c92a4a00 100644
--- a/dix/Makefile.am
+++ b/dix/Makefile.am
@@ -57,3 +57,8 @@ noinst_PROGRAMS = dix.O
 dix.O: dtrace-dix.o $(am_libdix_la_OBJECTS)
 	ld -r -o $@ .libs/*.o
 endif
+
+dix.c:
+	touch $@
+
+CLEANFILES = dix.c
diff --git a/os/Makefile.am b/os/Makefile.am
index c5e7b0397..53b2d7f0c 100644
--- a/os/Makefile.am
+++ b/os/Makefile.am
@@ -59,5 +59,9 @@ noinst_PROGRAMS = os.O
 
 os.O: dtrace.o $(am_libos_la_OBJECTS)
 	ld -r -o $@ dtrace.o .libs/*.o
-
 endif
+
+os.c:
+	touch $@
+
+CLEANFILES = os.c