diff --git a/lisp/Makefile.in b/lisp/Makefile.in
index 2ec3b6d8137..a0a1b06e884 100644
--- a/lisp/Makefile.in
+++ b/lisp/Makefile.in
@@ -48,7 +48,6 @@ ETAGS = ../lib-src/etags
 
 DONTCOMPILE = \
 	$(lisp)/cus-load.el \
-	$(lisp)/cus-start.el \
 	$(lisp)/emacs-lisp/cl-specs.el \
 	$(lisp)/eshell/esh-maint.el \
 	$(lisp)/eshell/esh-groups.el \