diff --git a/utils/bundle_lite/adapter.h b/utils/bundle_lite/adapter.h
index 8a201f9..2039c89 100644
--- a/utils/bundle_lite/adapter.h
+++ b/utils/bundle_lite/adapter.h
@@ -29,8 +29,6 @@
 #include "ohos_errno.h"
 #include "ohos_types.h"
 
-#define char unsigned char
-
 #define AdapterMalloc(a) malloc(a)
 #define AdapterFree(a) \
     do { \