diff --git a/ChangeLog b/ChangeLog
index d2f83b5b207d9e..de95a04b845d5d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,7 @@
-Sun Jul 11 15:36:20 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sun Jul 11 17:01:57 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
-	* Makefile.in ({,dist-,real-}clean-ext): omission of "in WORDS" of
-	  FOR-statement is not allowed in /bin/sh on Solaris.  fore-ported
-	  r28609 from 1.9.2.
+	* Makefile.in ({,dist-,real-}clean-ext): should also omit
+	  semicolon when omitting "in WORDS" of FOR-statement.
 
 	* tool/rmdirs: ditto.
 
diff --git a/Makefile.in b/Makefile.in
index ee2f2b5e1f7f83..02cfa1c3e7d7b5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -259,11 +259,11 @@ distclean-rdoc:
 clean-ext distclean-ext realclean-ext::
 	@cd ext 2>/dev/null || exit 0; set dummy `echo "${EXTS}" | tr , ' '`; shift; \
 	test "$$#" = 0 && set .; \
-	set dummy `for dir in "$$@"; do \
+	set dummy `for dir do \
 	    find $$dir -name Makefile | sed 's:^\./::;s:/Makefile$$:~:' | sort | sed 's:~$$::'; \
 	done`; shift; \
 	cd ..; \
-	for dir in "$$@"; do \
+	for dir do \
 	    echo $(@:-ext=)ing "$$dir"; \
 	    (cd "ext/$$dir" && exec $(MAKE) $(MFLAGS) $(@:-ext=)) && \
 	    case "$@" in \
diff --git a/tool/rmdirs b/tool/rmdirs
index 1dde99f5471099..6dcf984df6df41 100755
--- a/tool/rmdirs
+++ b/tool/rmdirs
@@ -1,5 +1,5 @@
 #!/bin/sh
-for dir in "$@"; do
+for dir do
     while rmdir "$dir" >/dev/null 2>&1 &&
           parent=`expr "$dir" : '\(.*\)/[^/][^/]*'`; do
         case "$parent" in