diff --git a/ghc/driver/mangler/Makefile b/ghc/driver/mangler/Makefile
index 3140c42f9ddbf3283e192bc086bb52d87ce3083a..062213f1971815f7f662565f130f1f03f2773b4d 100644
--- a/ghc/driver/mangler/Makefile
+++ b/ghc/driver/mangler/Makefile
@@ -1,11 +1,10 @@
 #-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.1 2000/06/13 16:07:20 simonmar Exp $
+# $Id: Makefile,v 1.2 2000/11/03 16:54:52 simonmar Exp $
 
 TOP=../..
 include $(TOP)/mk/boilerplate.mk
 
 SCRIPT_PROG 	= ghc-asm
-SCRIPT_OBJS     = ghc-asm.prl
 
 INTERP=perl
 
@@ -13,4 +12,6 @@ SCRIPT_SUBST_VARS := TARGETPLATFORM
 
 INSTALL_LIBEXEC_SCRIPTS += $(SCRIPT_PROG)
 
+CLEAN_FILES += $(SCRIPT_OBJS)
+
 include $(TOP)/mk/target.mk
diff --git a/ghc/driver/split/Makefile b/ghc/driver/split/Makefile
index f7019be1ba86743fc75a3f5f6c92739dc6215596..6b545de20f7f6de4827c0a43f38ade6a586a686d 100644
--- a/ghc/driver/split/Makefile
+++ b/ghc/driver/split/Makefile
@@ -1,11 +1,10 @@
 #-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.1 2000/06/13 16:07:20 simonmar Exp $
+# $Id: Makefile,v 1.2 2000/11/03 16:54:52 simonmar Exp $
 
 TOP=../..
 include $(TOP)/mk/boilerplate.mk
 
 SCRIPT_PROG 	= ghc-split
-SCRIPT_OBJS     = ghc-split.prl
 
 INTERP=perl
 
@@ -13,4 +12,6 @@ SCRIPT_SUBST_VARS := TARGETPLATFORM
 
 INSTALL_LIBEXEC_SCRIPTS += $(SCRIPT_PROG)
 
+CLEAN_FILES += $(SCRIPT_OBJS)
+
 include $(TOP)/mk/target.mk
diff --git a/ghc/driver/stats/Makefile b/ghc/driver/stats/Makefile
index 75f3aa2488feb69ec88cacb9241930a0ded13845..8605be93d82d34183ae63f6e5817b94903695a0b 100644
--- a/ghc/driver/stats/Makefile
+++ b/ghc/driver/stats/Makefile
@@ -1,11 +1,10 @@
 #-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.1 2000/06/13 16:07:21 simonmar Exp $
+# $Id: Makefile,v 1.2 2000/11/03 16:54:52 simonmar Exp $
 
 TOP=../..
 include $(TOP)/mk/boilerplate.mk
 
 SCRIPT_PROG 	= ghc-stats
-SCRIPT_OBJS     = ghc-stats.prl
 
 INTERP=perl
 
@@ -13,4 +12,6 @@ SCRIPT_SUBST_VARS := TARGETPLATFORM
 
 INSTALL_LIBEXEC_SCRIPTS += $(SCRIPT_PROG)
 
+CLEAN_FILES += $(SCRIPT_OBJS)
+
 include $(TOP)/mk/target.mk