diff --git a/ChangeLog b/ChangeLog
index 5872e7b7cc..9cbe32d65a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Oct 10 05:33:14 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm_core.h (rb_signal_buff_size, rb_signal_exec): moved
+	  declarations from thread.c.
+
 Sat Oct  9 16:54:28 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (RSHIFT): quote to get rid of argument expansion
diff --git a/thread.c b/thread.c
index c2082c2f6d..3cdc8b79b8 100644
--- a/thread.c
+++ b/thread.c
@@ -69,11 +69,6 @@ static int rb_threadptr_dead(rb_thread_t *th);
 
 static void rb_check_deadlock(rb_vm_t *vm);
 
-int rb_signal_buff_size(void);
-void rb_signal_exec(rb_thread_t *th, int sig);
-void rb_disable_interrupt(void);
-void rb_thread_stop_timer_thread(void);
-
 static const VALUE eKillSignal = INT2FIX(0);
 static const VALUE eTerminateSignal = INT2FIX(1);
 static volatile int system_working = 1;
diff --git a/version.h b/version.h
index 7fc749ab17..4b6773b2c9 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_RELEASE_DATE "2010-10-09"
+#define RUBY_RELEASE_DATE "2010-10-10"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
 #define RUBY_RELEASE_YEAR 2010
 #define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 9
+#define RUBY_RELEASE_DAY 10
 
 #include "ruby/version.h"
 
diff --git a/vm_core.h b/vm_core.h
index e43f539699..c425ba52e2 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -684,6 +684,8 @@ extern rb_vm_t *ruby_current_vm;
 #define RUBY_VM_SET_FINALIZER_INTERRUPT(th) ((th)->interrupt_flag |= 0x04)
 #define RUBY_VM_INTERRUPTED(th) ((th)->interrupt_flag & 0x02)
 
+int rb_signal_buff_size(void);
+void rb_signal_exec(rb_thread_t *th, int sig);
 void rb_threadptr_check_signal(rb_thread_t *mth);
 void rb_threadptr_signal_raise(rb_thread_t *th, int sig);
 void rb_threadptr_signal_exit(rb_thread_t *th);