diff --git a/patch/u-boot/u-boot-rockchip64/0001-fixing-dtc-error.patch b/patch/u-boot/u-boot-rockchip64/0001-fixing-dtc-error.patch
index 6b930b18d1..5d8f468049 100644
--- a/patch/u-boot/u-boot-rockchip64/0001-fixing-dtc-error.patch
+++ b/patch/u-boot/u-boot-rockchip64/0001-fixing-dtc-error.patch
@@ -21,6 +21,17 @@ index fd825eb..f57c9a7 100644
  extern bool treesource_error;
  
  /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+--- a/scripts/dtc/dtc-lexer.lex.c_shipped
++++ b/scripts/dtc/dtc-lexer.lex.c_shipped
+@@ -637,7 +637,6 @@ char *yytext;
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+ 
+-YYLTYPE yylloc;
+ extern bool treesource_error;
+ 
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+
 -- 
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