diff --git a/libguh/hardware/gpiomonitor.cpp b/libguh/hardware/gpiomonitor.cpp
index ee909837..dfbcf0d1 100644
--- a/libguh/hardware/gpiomonitor.cpp
+++ b/libguh/hardware/gpiomonitor.cpp
@@ -1,3 +1,21 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *                                                                         *
+ *  This file is part of guh.                                              *
+ *                                                                         *
+ *  Guh is free software: you can redistribute it and/or modify            *
+ *  it under the terms of the GNU General Public License as published by   *
+ *  the Free Software Foundation, version 2 of the License.                *
+ *                                                                         *
+ *  Guh is distributed in the hope that it will be useful,                 *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
+ *  GNU General Public License for more details.                           *
+ *                                                                         *
+ *  You should have received a copy of the GNU General Public License      *
+ *  along with guh. If not, see <http://www.gnu.org/licenses/>.            *
+ *                                                                         *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #include "gpiomonitor.h"
 
 GpioMonitor::GpioMonitor(QObject *parent) :
diff --git a/libguh/hardware/gpiomonitor.h b/libguh/hardware/gpiomonitor.h
index ae319b51..a2fd4640 100644
--- a/libguh/hardware/gpiomonitor.h
+++ b/libguh/hardware/gpiomonitor.h
@@ -1,3 +1,21 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *                                                                         *
+ *  This file is part of guh.                                              *
+ *                                                                         *
+ *  Guh is free software: you can redistribute it and/or modify            *
+ *  it under the terms of the GNU General Public License as published by   *
+ *  the Free Software Foundation, version 2 of the License.                *
+ *                                                                         *
+ *  Guh is distributed in the hope that it will be useful,                 *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
+ *  GNU General Public License for more details.                           *
+ *                                                                         *
+ *  You should have received a copy of the GNU General Public License      *
+ *  along with guh. If not, see <http://www.gnu.org/licenses/>.            *
+ *                                                                         *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #ifndef GPIOMONITOR_H
 #define GPIOMONITOR_H
 
diff --git a/libguh/hardware/radio433/radio433receiver.cpp b/libguh/hardware/radio433/radio433receiver.cpp
index 705e862b..4cc024db 100644
--- a/libguh/hardware/radio433/radio433receiver.cpp
+++ b/libguh/hardware/radio433/radio433receiver.cpp
@@ -33,10 +33,6 @@ Radio433Receiver::Radio433Receiver(QObject *parent, int gpio) :
     m_enabled = false;
     m_mutex.unlock();
 
-    if(Gpio::isAvailable()){
-
-    }
-
     connect(this, &Radio433Receiver::timingReady, this, &Radio433Receiver::handleTiming, Qt::DirectConnection);
 }
 
diff --git a/libguh/libguh.pro b/libguh/libguh.pro
index 269445b9..ebbe96b6 100644
--- a/libguh/libguh.pro
+++ b/libguh/libguh.pro
@@ -14,6 +14,7 @@ SOURCES += plugin/device.cpp \
            plugin/devicedescriptor.cpp \
            devicemanager.cpp \
            hardware/gpio.cpp \
+           hardware/gpiomonitor.cpp \
            hardware/radio433/radio433.cpp \
            hardware/radio433/radio433transmitter.cpp \
            hardware/radio433/radio433receiver.cpp \
@@ -30,7 +31,6 @@ SOURCES += plugin/device.cpp \
            types/param.cpp \
            types/paramdescriptor.cpp \
            types/statedescriptor.cpp \
-    hardware/gpiomonitor.cpp
 
 HEADERS += plugin/device.h \
            plugin/deviceclass.h \
@@ -38,6 +38,7 @@ HEADERS += plugin/device.h \
            plugin/devicedescriptor.h \
            devicemanager.h \
            hardware/gpio.h \
+           hardware/gpiomonitor.h \
            hardware/radio433/radio433.h \
            hardware/radio433/radio433transmitter.h \
            hardware/radio433/radio433receiver.h \
@@ -56,5 +57,4 @@ HEADERS += plugin/device.h \
            types/paramdescriptor.h \
            types/statedescriptor.h \
            typeutils.h \
-    hardware/gpiomonitor.h