diff --git a/src/TinyGsmClientBG96.h b/src/TinyGsmClientBG96.h
index c86b61b..376fd72 100644
--- a/src/TinyGsmClientBG96.h
+++ b/src/TinyGsmClientBG96.h
@@ -557,8 +557,6 @@ public:
     return res;
   }
 
-  int getBattPercent() TINY_GSM_ATTR_NOT_IMPLEMENTED;
-
   /*
    * Client related functions
    */