diff --git a/hgx11.cpp b/hgx11.cpp
index c205751..d0101aa 100644
--- a/hgx11.cpp
+++ b/hgx11.cpp
@@ -14,7 +14,7 @@ hgx11::hgx11(QHash<QString, QString> opts)
     while (i.hasNext()) {
         i.next();
         if ((i.key() == "a" || i.key() == "address") && !(i.value().isNull() && i.value().isEmpty())) {
-             addr = i.value();
+            addr = i.value();
         } else if ((i.key() == "p" || i.key() == "port") && i.value().toUShort()) {
             port = i.value().toUShort();
         } else if ((i.key() == "s" || i.key() == "scale") && i.value().toUShort()) {
@@ -82,7 +82,7 @@ QString hgx11::_parseColorArr(QString value, bool isInt)
     if (values.size() != 3) {
         return "";
     }
-    QString retVal = "[";
+    value = "[";
     for (int i = 0; i < 3; i++) {
         if (isInt && (values.at(i).toInt() < 0 || values.at(i).toInt() > 255)) {
             return "";
@@ -90,12 +90,12 @@ QString hgx11::_parseColorArr(QString value, bool isInt)
         if (!isInt && (values.at(i).toDouble() < 0.0 || values.at(i).toDouble() > 1.0)) {
             return "";
         }
-        retVal.append(values.at(i));
-        retVal.append(",");
+        value.append(values.at(i));
+        value.append(",");
     }
-    retVal.chop(1);
-    retVal.append("]");
-    return retVal;
+    value.chop(1);
+    value.append("]");
+    return value;
 }
 
 // private slots
diff --git a/hgx11.h b/hgx11.h
index 119ae96..dddf3ec 100644
--- a/hgx11.h
+++ b/hgx11.h
@@ -23,8 +23,6 @@ private:
     QTimer *_timer_p;
 
     int _inactiveTime_m = 0;
-    QString _destWidth_m;
-    QString _destHeight_m;
 
     QString _parseColorArr(QString, bool);
 
diff --git a/hgx11damage.h b/hgx11damage.h
index a5ba021..faa897d 100644
--- a/hgx11damage.h
+++ b/hgx11damage.h
@@ -4,7 +4,6 @@
 #include <QThread>
 #include <QDebug>
 #include <X11/extensions/Xdamage.h>
-#include <X11/Xlib.h>
 
 class hgx11damage : public QThread
 {
diff --git a/hgx11grab.h b/hgx11grab.h
index 3c32909..7b52a0b 100644
--- a/hgx11grab.h
+++ b/hgx11grab.h
@@ -3,7 +3,6 @@
 
 #include <QObject>
 #include <QDebug>
-#include <X11/Xlib.h>
 #include <X11/extensions/Xrender.h>
 #include <X11/extensions/XShm.h>
 #include <sys/shm.h>
diff --git a/hgx11net.h b/hgx11net.h
index c866fd3..18e3ae6 100644
--- a/hgx11net.h
+++ b/hgx11net.h
@@ -2,10 +2,6 @@
 #define HGX11NET_H
 
 #include <QTcpSocket>
-#include <QAbstractSocket>
-#include <QString>
-#include <QObject>
-#include <QByteArray>
 
 class hgx11net : public QObject
 {