diff --git a/ChangeLog b/ChangeLog
index db84bec3a9..58e010a172 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat May 29 08:46:29 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* gc.c (allocate_sorted_heaps, before_gc_sweep, gc_sweep): removed
+	  unused variables.
+
 Fri May 28 20:35:21 2010  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* thread.c (blocking_region_begin): avoid RUBY_VM_CHECK_INTS()
diff --git a/gc.c b/gc.c
index 669bdd1d41..9cc371d7d0 100644
--- a/gc.c
+++ b/gc.c
@@ -894,7 +894,7 @@ static void
 allocate_sorted_heaps(rb_objspace_t *objspace, size_t next_heaps_length)
 {
     struct sorted_heaps_slot *p;
-    size_t size, i;
+    size_t size;
 
     size = next_heaps_length*sizeof(struct sorted_heaps_slot);
 
@@ -1968,8 +1968,6 @@ ready_to_gc(rb_objspace_t *objspace)
 static void
 before_gc_sweep(rb_objspace_t *objspace, size_t *free_min)
 {
-    size_t i = 0;
-    struct heaps_slot *find_slot, *slot;
     freelist = 0;
     objspace->heap.do_heap_free = (size_t)((heaps_used * HEAP_OBJ_LIMIT) * 0.65);
     *free_min = (size_t)((heaps_used * HEAP_OBJ_LIMIT)  * 0.2);
@@ -2065,8 +2063,6 @@ gc_lazy_sweep(rb_objspace_t *objspace)
 static void
 gc_sweep(rb_objspace_t *objspace)
 {
-    RVALUE *p, *pend;
-    size_t i;
     size_t free_min = 0;
 
     before_gc_sweep(objspace, &free_min);
diff --git a/version.h b/version.h
index 2b2b716d1a..cced1adc14 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_RELEASE_DATE "2010-05-28"
+#define RUBY_RELEASE_DATE "2010-05-29"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
@@ -8,7 +8,7 @@
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2010
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 28
+#define RUBY_RELEASE_DAY 29
 
 #include "ruby/version.h"