diff --git a/src_main/io/pibasetransfer.h b/src_main/io/pibasetransfer.h
index 52fac139..b390b031 100644
--- a/src_main/io/pibasetransfer.h
+++ b/src_main/io/pibasetransfer.h
@@ -68,12 +68,9 @@ public:
 	void setCRCEnabled(bool en = true) {crc_enabled = en;}
 	bool isCRCEnabled() const {return crc_enabled;}
 
-	const PIString & stateString() const {return state_string;}
+	PIString stateString() const {return state_string;}
 	llong bytesAll() const {return bytes_all;}
 	llong bytesCur() const {return bytes_cur;}
-	const PIString * stateString_ptr() const {return &state_string;}
-	const llong * bytesAll_ptr() const {return &bytes_all;}
-	const llong * bytesCur_ptr() const {return &bytes_cur;}
 	const PIDiagnostics &diagnostic() {return diag;}
 
 	static uint packetSignature() {return signature;}