diff --git a/CLS.h b/CLS.h
index 6d7d38a..f8ab33a 100644
--- a/CLS.h
+++ b/CLS.h
@@ -35,7 +35,7 @@ typedef struct CLS_Position {
     CLS_Position_Type_t p1:4;
 } CLS_Position_t;
 
-#pragma pack(1) // 1 byte alignment
+
 typedef struct CLS_HeatbeatData
 {
     struct