diff --git a/sourceCode/SG_fireBrick_Export.h b/sourceCode/SG_fireBrick_Export.h
index 0be1697..542941b 100644
--- a/sourceCode/SG_fireBrick_Export.h
+++ b/sourceCode/SG_fireBrick_Export.h
@@ -9,14 +9,6 @@
 #include <VZNL_Types.h>
 #include "SG_baseDataType.h"
 
-typedef struct
-{
-	bool validFlag;  //指示结果是否有效
-	double x;
-	double y;
-	double z;
-}SSG_3AxisAttitude;
-
 class ISGFireBrick
 {
 public: