diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 39a4f1e7192..404d7858c9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-27  Chen Liqin <liqin.gcc@gmail.com>
+
+	* config/score/score.h (REG_CLASS_FROM_LETTER): Delete.
+	(score_char_to_class): Likewise.
+
 2013-11-27  Kenneth Zadeck  <zadeck@naturalbridge.com>
 
 	* fold-const.c
diff --git a/gcc/config/score/score.h b/gcc/config/score/score.h
index 8235df54743..5ab78752c39 100644
--- a/gcc/config/score/score.h
+++ b/gcc/config/score/score.h
@@ -395,9 +395,6 @@ enum reg_class
 /* The class value for index registers.  */
 #define INDEX_REG_CLASS                NO_REGS
 
-extern enum reg_class score_char_to_class[256];
-#define REG_CLASS_FROM_LETTER(C)       score_char_to_class[(unsigned char) (C)]
-
 /* Addressing modes, and classification of registers for them.  */
 #define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) \
   score_regno_mode_ok_for_base_p (REGNO, 1)