diff '--color=auto' -Nur a/lxqt-config-appearance/styleconfig.cpp b/lxqt-config-appearance/styleconfig.cpp
--- a/lxqt-config-appearance/styleconfig.cpp	2025-04-17 10:06:55.000000000 +0100
+++ b/lxqt-config-appearance/styleconfig.cpp	2025-05-01 02:24:05.123354907 +0100
@@ -54,7 +54,6 @@
 
     connect(ui->qtComboBox, QOverload<int>::of(&QComboBox::activated), this, &StyleConfig::settingsChanged);
     connect(ui->toolButtonStyle, QOverload<int>::of(&QComboBox::activated), this, &StyleConfig::settingsChanged);
-    connect(ui->toolBarIconSize, QOverload<int>::of(&QComboBox::activated), this, &StyleConfig::settingsChanged);
     connect(ui->singleClickActivate, &QAbstractButton::clicked, this, &StyleConfig::settingsChanged);
 
     connect(ui->winColorLabel, &ColorLabel::colorChanged, this, &StyleConfig::settingsChanged);
@@ -110,33 +109,6 @@
       val = Qt::ToolButtonTextBesideIcon;
     ui->toolButtonStyle->setCurrentIndex(val);
 
-    // toolbar icon size
-    int index = mSettings->value(QLatin1String("tool_bar_icon_size")).toInt();
-    if (index < 16) // consult the active Qt style
-        index = style()->pixelMetric(QStyle::PM_ToolBarIconSize);
-    switch (index)
-    {
-        case 16:
-            index = 0;
-            break;
-        case 22:
-            index = 1;
-            break;
-        case 24:
-            index = 2;
-            break;
-        case 32:
-            index = 3;
-            break;
-        case 48:
-            index = 4;
-            break;
-        default:
-            index = 2;
-            break;
-    }
-    ui->toolBarIconSize->setCurrentIndex(index);
-
     // activate item views with single click
     ui->singleClickActivate->setChecked( mSettings->value(QStringLiteral("single_click_activate"), false).toBool());
 
@@ -291,37 +263,6 @@
         mSettings->sync();
         emit updateOtherSettings();
     }
-
-    // toolbar icon size
-    index = ui->toolBarIconSize->currentIndex();
-    switch (index)
-    {
-        case 0:
-            index = 16;
-            break;
-        case 1:
-            index = 22;
-            break;
-        case 2:
-            index = 24;
-            break;
-        case 3:
-            index = 32;
-            break;
-        case 4:
-            index = 48;
-            break;
-        default:
-            index = 24;
-            break;
-    }
-    if(index != mSettings->value(QLatin1String("tool_bar_icon_size")).toInt())
-    {
-        mSettings->setValue(QStringLiteral("tool_bar_icon_size"), index);
-        // TODO: Do we want to apply it to GTK somehow?
-        /*mSettings->sync();
-        emit updateOtherSettings();*/
-    }
 }
 
 void StyleConfig::savePalette()
diff '--color=auto' -Nur a/lxqt-config-appearance/styleconfig.ui b/lxqt-config-appearance/styleconfig.ui
--- a/lxqt-config-appearance/styleconfig.ui	2025-04-17 10:06:55.000000000 +0100
+++ b/lxqt-config-appearance/styleconfig.ui	2025-05-01 02:24:05.123354907 +0100
@@ -280,9 +280,6 @@
        </item>
        <item row="3" column="0">
         <widget class="QLabel" name="label_2">
-         <property name="toolTip">
-          <string>May be overridden by Qt style or app</string>
-         </property>
          <property name="text">
           <string>Toolbar button style:</string>
          </property>
@@ -290,9 +287,6 @@
        </item>
        <item row="3" column="1">
         <widget class="QComboBox" name="toolButtonStyle">
-         <property name="toolTip">
-          <string>May be overridden by Qt style or app</string>
-         </property>
          <item>
           <property name="text">
            <string>Only display the icon</string>
@@ -320,53 +314,8 @@
          </item>
         </widget>
        </item>
-       <item row="4" column="0">
-        <widget class="QLabel" name="label_15">
-         <property name="toolTip">
-          <string>May be overridden by Qt style or app</string>
-         </property>
-         <property name="text">
-          <string>Toolbar icon size:</string>
-         </property>
-        </widget>
-       </item>
-       <item row="4" column="1">
-        <widget class="QComboBox" name="toolBarIconSize">
-         <property name="toolTip">
-          <string>May be overridden by Qt style or app</string>
-         </property>
-         <item>
-          <property name="text">
-           <string>16</string>
-          </property>
-         </item>
-         <item>
-          <property name="text">
-           <string>22</string>
-          </property>
-         </item>
-         <item>
-          <property name="text">
-           <string>24</string>
-          </property>
-         </item>
-         <item>
-          <property name="text">
-           <string>32</string>
-          </property>
-         </item>
-         <item>
-          <property name="text">
-           <string>48</string>
-          </property>
-         </item>
-        </widget>
-       </item>
-       <item row="5" column="0" colspan="2">
+       <item row="4" column="0" colspan="2">
         <widget class="QCheckBox" name="singleClickActivate">
-         <property name="toolTip">
-          <string>May be overridden by Qt style or app</string>
-         </property>
          <property name="text">
           <string>Activate item on single click</string>
          </property>