diff --git a/ChangeLog b/ChangeLog
index 572bf63591..5d8c248fce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jan 15 01:28:47 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk: simplified dummy objects dependencies.
+
 Tue Jan 15 01:19:00 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (OBJS): moved encoding.o from COMMONOBJS.
diff --git a/common.mk b/common.mk
index 9392d684f9..0b95780aab 100644
--- a/common.mk
+++ b/common.mk
@@ -424,14 +424,9 @@ dir.$(OBJEXT): {$(VPATH)}dir.c {$(VPATH)}ruby.h {$(VPATH)}config.h \
 dln.$(OBJEXT): {$(VPATH)}dln.c {$(VPATH)}ruby.h {$(VPATH)}config.h \
   {$(VPATH)}defines.h {$(VPATH)}missing.h {$(VPATH)}intern.h \
   {$(VPATH)}st.h {$(VPATH)}dln.h
-dmydln.$(OBJEXT): {$(VPATH)}dmydln.c {$(VPATH)}dln.c {$(VPATH)}ruby.h \
-  {$(VPATH)}config.h {$(VPATH)}defines.h {$(VPATH)}missing.h \
-  {$(VPATH)}intern.h {$(VPATH)}st.h {$(VPATH)}dln.h
+dmydln.$(OBJEXT): {$(VPATH)}dmydln.c dln.$(OBJEXT)
 dmyext.$(OBJEXT): {$(VPATH)}dmyext.c
-dmyencoding.$(OBJEXT): {$(VPATH)}dmyencoding.c {$(VPATH)}encoding.c {$(VPATH)}ruby.h \
-  {$(VPATH)}config.h {$(VPATH)}defines.h {$(VPATH)}missing.h \
-  {$(VPATH)}intern.h {$(VPATH)}st.h {$(VPATH)}encoding.h \
-  {$(VPATH)}oniguruma.h {$(VPATH)}regenc.h {$(VPATH)}encdb.h
+dmyencoding.$(OBJEXT): {$(VPATH)}dmyencoding.c encoding.$(OBJEXT)
 encoding.$(OBJEXT): {$(VPATH)}encoding.c {$(VPATH)}ruby.h \
   {$(VPATH)}config.h {$(VPATH)}defines.h {$(VPATH)}missing.h \
   {$(VPATH)}intern.h {$(VPATH)}st.h {$(VPATH)}encoding.h \