diff --git a/src/createnewdialog.cpp b/src/createnewdialog.cpp
index 33dbf579..a7e4e56a 100644
--- a/src/createnewdialog.cpp
+++ b/src/createnewdialog.cpp
@@ -65,7 +65,6 @@ void createNewDialog::on_buttonCreate_clicked()
     bool created = false;
 
     QString arch = ui->comboArch->currentText();
-    int bits = atoi (ui->comboBits->currentText().toUtf8().constData());
     int fsize = r_num_math (NULL, ui->entrySize->text().toUtf8().constData());
     QString format = ui->comboFormat->currentText();
 
diff --git a/src/dialogs/xrefsdialog.cpp b/src/dialogs/xrefsdialog.cpp
index f072a863..3689397f 100644
--- a/src/dialogs/xrefsdialog.cpp
+++ b/src/dialogs/xrefsdialog.cpp
@@ -64,6 +64,8 @@ void XrefsDialog::fillRefs(QList<QStringList> refs, QList<QStringList> xrefs) {
 
 void XrefsDialog::on_fromTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     QString offset = item->text(0);
     RAnalFunction *fcn = this->main->core->functionAt(offset.toLongLong(0, 16));
     //this->add_debug_output( fcn->name );
@@ -73,6 +75,8 @@ void XrefsDialog::on_fromTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int
 
 void XrefsDialog::on_toTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     QString offset = item->text(0);
     RAnalFunction *fcn = this->main->core->functionAt(offset.toLongLong(0, 16));
     //this->add_debug_output( fcn->name );
@@ -118,7 +122,8 @@ void XrefsDialog::on_fromTreeWidget_itemSelectionChanged()
     QString offset = item->text(0);
     ui->previewTextEdit->setPlainText( this->main->core->cmd("pdf @ " + offset).trimmed() );
     ui->previewTextEdit->moveCursor(QTextCursor::End);
-    int pos = ui->previewTextEdit->find( this->normalizeAddr(offset), QTextDocument::FindBackward);
+    // Does it make any sense?
+    ui->previewTextEdit->find( this->normalizeAddr(offset), QTextDocument::FindBackward);
     ui->previewTextEdit->moveCursor(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
 }
 
@@ -128,7 +133,9 @@ void XrefsDialog::on_toTreeWidget_itemSelectionChanged()
     QString offset = item->text(0);
     ui->previewTextEdit->setPlainText( this->main->core->cmd("pdf @ " + offset).trimmed() );
     ui->previewTextEdit->moveCursor(QTextCursor::End);
-    int pos = ui->previewTextEdit->find( this->normalizeAddr(offset), QTextDocument::FindBackward);
+    // Again, does it make any sense?
+    // Also, this code should be refactored and shared instead of copied & pasted
+    ui->previewTextEdit->find( this->normalizeAddr(offset), QTextDocument::FindBackward);
     ui->previewTextEdit->moveCursor(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
 }
 
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index a94b9d0c..33d44299 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -36,22 +36,18 @@
 
 #include <cassert>
 
-namespace
+static void registerCustomFonts()
 {
-    void registerCustomFonts()
-    {
-        int ret = QFontDatabase::addApplicationFont(":/new/prefix1/fonts/Anonymous Pro.ttf");
-        assert(-1 != ret && "unable to register Anonymous Pro.ttf");
+    int ret = QFontDatabase::addApplicationFont(":/new/prefix1/fonts/Anonymous Pro.ttf");
+    assert(-1 != ret && "unable to register Anonymous Pro.ttf");
 
-        ret = QFontDatabase::addApplicationFont(":/new/prefix1/fonts/Inconsolata-Regular.ttf");
-        assert(-1 != ret && "unable to register Inconsolata-Regular.ttf");
+    ret = QFontDatabase::addApplicationFont(":/new/prefix1/fonts/Inconsolata-Regular.ttf");
+    assert(-1 != ret && "unable to register Inconsolata-Regular.ttf");
 
-        // do not issue a warning in release
-        Q_UNUSED(ret)
-    }
+    // do not issue a warning in release
+    Q_UNUSED(ret)
 }
 
-
 MainWindow::MainWindow(QWidget *parent, QRCore *kore) :
     QMainWindow(parent),
     core(kore),
@@ -752,26 +748,27 @@ void MainWindow::on_consoleInputLineEdit_returnPressed()
         ui->consoleOutputTextEdit->verticalScrollBar()->setValue(ui->consoleOutputTextEdit->verticalScrollBar()->maximum());
         // Add new command to history
         QCompleter *completer = ui->consoleInputLineEdit->completer();
-        /*
-         * TODO: FIXME: Crashed the fucking app
-         * ballessay: yes this will crash if no completer is set -> nullptr
-         */
-        //QStringListModel *completerModel = (QStringListModel*)(completer->model());
-        //completerModel->setStringList(completerModel->stringList() << input);
+        if ( completer != NULL ) {
+            QStringListModel *completerModel = (QStringListModel*)(completer->model());
+            if ( completerModel != NULL )
+              completerModel->setStringList(completerModel->stringList() << input);
+        }
+
         ui->consoleInputLineEdit->setText("");
-        // TODO: add checkbox to enable/disable updating the whole ui or just update the list widgets, not disasm/hex
-        //this->updateFrames();
     }
 }
 
 void MainWindow::on_showHistoToolButton_clicked()
 {
+    QCompleter *completer = ui->consoleInputLineEdit->completer();
+    if (completer == NULL)
+      return;
+
     if (ui->showHistoToolButton->isChecked()) {
-        QCompleter *completer = ui->consoleInputLineEdit->completer();
         completer->setCompletionMode(QCompleter::UnfilteredPopupCompletion);
+        // Uhm... shouldn't it be called always?
         completer->complete();
     } else {
-        QCompleter *completer = ui->consoleInputLineEdit->completer();
         completer->setCompletionMode(QCompleter::PopupCompletion);
     }
 }
diff --git a/src/newfiledialog.cpp b/src/newfiledialog.cpp
index a1731bda..557b3de9 100644
--- a/src/newfiledialog.cpp
+++ b/src/newfiledialog.cpp
@@ -11,6 +11,8 @@
 const int NewFileDialog::MaxRecentFiles;
 
 static QColor getColorFor(QString str, int pos) {
+    QNOTUSED(str);
+
     QList<QColor> Colors;
     Colors << QColor(29, 188, 156); // Turquoise
     Colors << QColor(52, 152, 219); // Blue
diff --git a/src/qrcore.cpp b/src/qrcore.cpp
index aa15313e..f2b57b56 100644
--- a/src/qrcore.cpp
+++ b/src/qrcore.cpp
@@ -149,6 +149,10 @@ QString QRCore::cmd(const QString &str) {
 }
 
 bool QRCore::loadFile(QString path, uint64_t loadaddr=0LL, uint64_t mapaddr=0LL, bool rw=false, int va=0, int bits = 0, int idx, bool loadbin) {
+
+    QNOTUSED(loadaddr);
+    QNOTUSED(idx);
+
     RCoreFile *f;
     if (va==0 || va == 2)
         r_config_set_i (core->config, "io.va", va);
@@ -455,9 +459,9 @@ int QRCore::fcnEndBbs(QString addr) {
             QString endbbs = tmp.split(": ")[1];
             return endbbs.toInt();
         }
-    } else {
-        return 0;
     }
+
+    return 0;
 }
 
 QString QRCore::itoa(ut64 num, int rdx) {
@@ -483,6 +487,8 @@ int QRCore::config(const QString &k, int v) {
 }
 
 void QRCore::setOptions(QString key) {
+    QNOTUSED(key);
+
     // va
     // lowercase
     // show bytes
diff --git a/src/qrcore.h b/src/qrcore.h
index 43fcbf8d..decf4365 100644
--- a/src/qrcore.h
+++ b/src/qrcore.h
@@ -27,6 +27,7 @@
 #define __alert(x) QMessageBox::question (this, "Alert", QString(x), QMessageBox::Ok)
 #define __question(x) (QMessageBox::Yes==QMessageBox::question (this, "Alert", QString(x), QMessageBox::Yes| QMessageBox::No))
 
+#define QNOTUSED(x) do { (void)(x); } while ( 0 );
 
 class QRCore : public QObject
 {
diff --git a/src/qrdisasm.cpp b/src/qrdisasm.cpp
index ae7a50a4..c0caffb5 100644
--- a/src/qrdisasm.cpp
+++ b/src/qrdisasm.cpp
@@ -9,6 +9,10 @@ QRDisasm::QRDisasm(QRCore *core)
 }
 
 bool QRDisasm::disassembleAt (ut64 addr, QRDisasmOption opt, QRDisasmRow &dr) {
+    QNOTUSED(addr);
+    QNOTUSED(opt);
+    QNOTUSED(dr);
+
     printf ("FUCK\n");
     return false;
 }
diff --git a/src/widgets/codegraphic.cpp b/src/widgets/codegraphic.cpp
index b5585afa..8634824a 100644
--- a/src/widgets/codegraphic.cpp
+++ b/src/widgets/codegraphic.cpp
@@ -13,6 +13,8 @@
 GraphicsBar::GraphicsBar(MainWindow *main, QWidget *parent) :
     QToolBar(main)
 {
+    QNOTUSED(parent);
+
     setObjectName("codeGraphics");
     setWindowTitle("Code bar");
 //    setMovable(false);
@@ -40,9 +42,11 @@ GraphicsBar::GraphicsBar(MainWindow *main, QWidget *parent) :
 }
 
 void GraphicsBar::paintEvent(QPaintEvent *event) {
-        QPainter painter(this);
-        this->fillData();
-    }
+    QNOTUSED(event);
+
+    QPainter painter(this);
+    this->fillData();
+}
 
 void GraphicsBar::fillData() {
 
@@ -61,7 +65,6 @@ void GraphicsBar::fillData() {
 
     // Parse JSON data
     QString jsonData = this->main->core->cmd("p-j");
-    QJsonParseError *err = new QJsonParseError();
     QJsonDocument doc = QJsonDocument::fromJson(jsonData.toUtf8());
 
     if (doc.isNull()) {
diff --git a/src/widgets/commentswidget.cpp b/src/widgets/commentswidget.cpp
index 71dc6c2d..acfeb995 100644
--- a/src/widgets/commentswidget.cpp
+++ b/src/widgets/commentswidget.cpp
@@ -38,6 +38,8 @@ CommentsWidget::~CommentsWidget()
 
 void CommentsWidget::on_commentsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     // Get offset and name of item double clicked
     // TODO: use this info to change disasm contents
     QString offset = item->text(1);
diff --git a/src/widgets/dashboard.cpp b/src/widgets/dashboard.cpp
index d308cae8..0f467d59 100644
--- a/src/widgets/dashboard.cpp
+++ b/src/widgets/dashboard.cpp
@@ -133,9 +133,6 @@ void Dashboard::updateContents() {
     // Get stats for the graphs
     QStringList stats = this->main->core->getStats();
 
-    // Calculate total amount flags all + imports
-    int total = stats[6].toInt() + stats[1].toInt();
-
     // Add data to HTML graphs (stats)
     QFile html(":/html/stats.html");
     if(!html.open(QIODevice::ReadOnly)) {
diff --git a/src/widgets/flagswidget.cpp b/src/widgets/flagswidget.cpp
index 5966ba7d..e6c19bd0 100644
--- a/src/widgets/flagswidget.cpp
+++ b/src/widgets/flagswidget.cpp
@@ -23,6 +23,8 @@ FlagsWidget::~FlagsWidget()
 
 void FlagsWidget::on_flagsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     QString offset = item->text(2);
     QString name = item->text(3);
     this->main->seek(offset, name);
@@ -30,5 +32,7 @@ void FlagsWidget::on_flagsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, in
 
 void FlagsWidget::on_flagspaceCombo_currentTextChanged(const QString &arg1)
 {
+    QNOTUSED(arg1);
+
     this->main->refreshFlags();
 }
diff --git a/src/widgets/functionswidget.cpp b/src/widgets/functionswidget.cpp
index c94f904a..c2b6cfaa 100644
--- a/src/widgets/functionswidget.cpp
+++ b/src/widgets/functionswidget.cpp
@@ -94,6 +94,8 @@ void FunctionsWidget::fillFunctions() {
 
 void FunctionsWidget::on_functionsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     QString offset = item->text(1);
     QString name = item->text(3);
     this->main->seek(offset, name);
@@ -281,7 +283,6 @@ void FunctionsWidget::on_action_References_triggered()
     x->setWindowTitle("X-Refs for function " + QString::fromUtf8(fcn->name));
 
     // Get Refs and Xrefs
-    bool ok;
     QList<QStringList> ret_refs;
     QList<QStringList> ret_xrefs;
 
@@ -353,6 +354,8 @@ void FunctionsWidget::on_actionVertical_triggered()
 
 void FunctionsWidget::on_nestedFunctionsTree_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     //QString offset = item->text(1);
     QString name = item->text(0);
     QString offset = item->child(0)->text(0).split(":")[1];
diff --git a/src/widgets/notepad.cpp b/src/widgets/notepad.cpp
index b3074f02..205660da 100644
--- a/src/widgets/notepad.cpp
+++ b/src/widgets/notepad.cpp
@@ -147,8 +147,6 @@ void Notepad::on_searchEdit_returnPressed()
     QString searchString = ui->searchEdit->text();
     QTextDocument *document = ui->notepadTextEdit->document();
 
-    bool found = false;
-
     if (isFirstTime == false)
         document->undo();
 
@@ -167,7 +165,6 @@ void Notepad::on_searchEdit_returnPressed()
             highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords);
 
             if (!highlightCursor.isNull()) {
-                found = true;
                 highlightCursor.movePosition(QTextCursor::WordRight,
                                        QTextCursor::KeepAnchor);
                 highlightCursor.mergeCharFormat(colorFormat);
@@ -176,23 +173,16 @@ void Notepad::on_searchEdit_returnPressed()
 
         cursor.endEditBlock();
         isFirstTime = false;
-
-        /*
-        if (found == false) {
-            QMessageBox::information(this, tr("Word Not Found"),
-                "Sorry, the word cannot be found.");
-        }
-        */
     }
 }
 
 void Notepad::on_searchEdit_textEdited(const QString &arg1)
 {
+    QNOTUSED(arg1);
+
     QString searchString = ui->searchEdit->text();
     QTextDocument *document = ui->notepadTextEdit->document();
 
-    bool found = false;
-
     if (isFirstTime == false)
         document->undo();
 
@@ -211,7 +201,6 @@ void Notepad::on_searchEdit_textEdited(const QString &arg1)
             highlightCursor = document->find(searchString, highlightCursor);
 
             if (!highlightCursor.isNull()) {
-                found = true;
                 //highlightCursor.movePosition(QTextCursor::WordRight,
                 //                       QTextCursor::KeepAnchor);
                 highlightCursor.mergeCharFormat(colorFormat);
@@ -225,11 +214,11 @@ void Notepad::on_searchEdit_textEdited(const QString &arg1)
 
 void Notepad::on_searchEdit_textChanged(const QString &arg1)
 {
+    QNOTUSED(arg1);
+
     QString searchString = ui->searchEdit->text();
     QTextDocument *document = ui->notepadTextEdit->document();
 
-    bool found = false;
-
     if (isFirstTime == false)
         document->undo();
 
@@ -248,7 +237,6 @@ void Notepad::on_searchEdit_textChanged(const QString &arg1)
             highlightCursor = document->find(searchString, highlightCursor);
 
             if (!highlightCursor.isNull()) {
-                found = true;
                 //highlightCursor.movePosition(QTextCursor::WordRight,
                 //                       QTextCursor::KeepAnchor);
                 highlightCursor.mergeCharFormat(colorFormat);
diff --git a/src/widgets/omnibar.cpp b/src/widgets/omnibar.cpp
index 552ed13d..41984d4c 100644
--- a/src/widgets/omnibar.cpp
+++ b/src/widgets/omnibar.cpp
@@ -92,7 +92,7 @@ void Omnibar::clearContents() {
 void Omnibar::on_gotoEntry_returnPressed()
 {
     QString str = this->text();
-    if (str.length()>0)
+    if (str.length()>0) {
         if (str.contains(": ")) {
             if (str.contains("Lock")){
                 this->main->on_actionLock_triggered();
@@ -128,6 +128,8 @@ void Omnibar::on_gotoEntry_returnPressed()
             QString off = this->main->core->cmd("afo " + this->text());
             this->main->seek(off.trimmed(), this->text());
         }
+    }
+
     // check which tab is open? update all tabs? hex, graph?
     //refreshMem( this->gotoEntry->text() );
     this->setText("");
diff --git a/src/widgets/pieview.cpp b/src/widgets/pieview.cpp
index 70913b97..83069b0b 100644
--- a/src/widgets/pieview.cpp
+++ b/src/widgets/pieview.cpp
@@ -46,6 +46,7 @@
 #define M_PI 3.1415927
 #endif
 
+#include "qrcore.h"
 #include "pieview.h"
 
 PieView::PieView(QWidget *parent)
@@ -450,6 +451,8 @@ void PieView::scrollTo(const QModelIndex &index, ScrollHint)
 
 void PieView::setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command)
 {
+    QNOTUSED(command);
+
     // Use content widget coordinates because we will use the itemRegion()
     // function to check for intersections.
 
diff --git a/src/widgets/relocswidget.cpp b/src/widgets/relocswidget.cpp
index a239dc45..9a5bc474 100644
--- a/src/widgets/relocswidget.cpp
+++ b/src/widgets/relocswidget.cpp
@@ -21,6 +21,8 @@ RelocsWidget::~RelocsWidget()
 
 void RelocsWidget::on_relocsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     // Get offset and name of item double clicked
     // TODO: use this info to change disasm contents
     QString offset = item->text(1);
diff --git a/src/widgets/sectionswidget.cpp b/src/widgets/sectionswidget.cpp
index 22c6992a..b4ece08e 100644
--- a/src/widgets/sectionswidget.cpp
+++ b/src/widgets/sectionswidget.cpp
@@ -9,6 +9,8 @@
 SectionsWidget::SectionsWidget(MainWindow *main, QWidget *parent) :
     QSplitter(main)
 {
+    QNOTUSED(parent);
+
     this->main = main;
     //setupModel();
     setupViews();
diff --git a/src/widgets/stringswidget.cpp b/src/widgets/stringswidget.cpp
index a86c10e8..730b1db2 100644
--- a/src/widgets/stringswidget.cpp
+++ b/src/widgets/stringswidget.cpp
@@ -22,6 +22,8 @@ StringsWidget::~StringsWidget()
 
 void StringsWidget::on_stringsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     // Get offset and name of item double clicked
     // TODO: use this info to change disasm contents
     QString offset = item->text(1);
diff --git a/src/widgets/symbolswidget.cpp b/src/widgets/symbolswidget.cpp
index 20effed7..4eff3f2b 100644
--- a/src/widgets/symbolswidget.cpp
+++ b/src/widgets/symbolswidget.cpp
@@ -29,6 +29,8 @@ void SymbolsWidget::fillSymbols() {
 
 void SymbolsWidget::on_symbolsTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column)
 {
+    QNOTUSED(column);
+
     // Get offset and name of item double clicked
     // TODO: use this info to change disasm contents
     QString offset = item->text(1);