diff --git a/RedPandaIDE/parser/cppparser.cpp b/RedPandaIDE/parser/cppparser.cpp
index ee61b0d5..b5eb3409 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -4170,6 +4170,7 @@ void CppParser::handleVar(const QString& typePrefix,bool isExtern,bool isStatic,
                 break;
             }
             //not function pointer, fall through
+            [[fallthrough]];
         case '{':
             tempType="";
             if (mIndex+1<maxIndex
diff --git a/RedPandaIDE/settingsdialog/projectgeneralwidget.cpp b/RedPandaIDE/settingsdialog/projectgeneralwidget.cpp
index f5b95364..b0309e32 100644
--- a/RedPandaIDE/settingsdialog/projectgeneralwidget.cpp
+++ b/RedPandaIDE/settingsdialog/projectgeneralwidget.cpp
@@ -246,7 +246,7 @@ void ProjectGeneralWidget::updateIcons(const QSize &)
 }
 
 
-void ProjectGeneralWidget::on_cbType_currentIndexChanged(int index)
+void ProjectGeneralWidget::on_cbType_currentIndexChanged(int /*index*/)
 {
     std::shared_ptr<Project> project = pMainWindow->project();
     if (!project)
diff --git a/RedPandaIDE/settingsdialog/projectgeneralwidget.ui b/RedPandaIDE/settingsdialog/projectgeneralwidget.ui
index d8ea7845..07717773 100644
--- a/RedPandaIDE/settingsdialog/projectgeneralwidget.ui
+++ b/RedPandaIDE/settingsdialog/projectgeneralwidget.ui
@@ -167,7 +167,7 @@
           </widget>
          </item>
          <item row="0" column="0" rowspan="2">
-          <widget class="QWidget" name="widget" native="true">
+          <widget class="QWidget" name="widget_3" native="true">
            <layout class="QVBoxLayout" name="verticalLayout_2">
             <item>
              <spacer name="verticalSpacer_2">
diff --git a/libs/qsynedit/qsynedit/qsynedit.cpp b/libs/qsynedit/qsynedit/qsynedit.cpp
index 0201afd0..e6bd680f 100644
--- a/libs/qsynedit/qsynedit/qsynedit.cpp
+++ b/libs/qsynedit/qsynedit/qsynedit.cpp
@@ -3786,7 +3786,6 @@ ScrollStyle QSynEdit::scrollBars() const
 
 void QSynEdit::setScrollBars(ScrollStyle newScrollBars)
 {
-    ScrollStyle oldScrollBars = mScrollBars;
     mScrollBars = newScrollBars;
     if (mScrollBars == ScrollStyle::ssBoth ||  mScrollBars == ScrollStyle::ssHorizontal) {
         if (mOptions.testFlag(eoHideShowScrollbars)) {