diff --git a/libs/main/io_devices/pifile.h b/libs/main/io_devices/pifile.h
index f8648607..aea75c4f 100644
--- a/libs/main/io_devices/pifile.h
+++ b/libs/main/io_devices/pifile.h
@@ -323,7 +323,7 @@ private:
 	void _init();
 
 	PRIVATE_DECLARATION(PIP_EXPORT)
-	int ret, fdi;
+	int fdi;
 	llong _size;
 	PIString prec_str;
 
diff --git a/utils/system_daemon/daemon.h b/utils/system_daemon/daemon.h
index eed782f1..788b932e 100644
--- a/utils/system_daemon/daemon.h
+++ b/utils/system_daemon/daemon.h
@@ -168,9 +168,9 @@ private:
 	void hideAll();
 	void showTile(PIScreenTile * t, const PIString & header = PIString());
 	void fillInfoTile(const HostInfo & hi);
-	void peerConnected(const PIString & p_name);
-	void peerDisconnected(const PIString & p_name);
-	void dataReceived(const PIString & from, const PIByteArray & data);
+	void peerConnected(const PIString & p_name) override;
+	void peerDisconnected(const PIString & p_name) override;
+	void dataReceived(const PIString & from, const PIByteArray & data) override;
 	void makeMyHostInfo();
 	void makeOtherHostInfo();