diff --git a/src/customwidgets/qgscollapsiblegroupboxplugin.cpp b/src/customwidgets/qgscollapsiblegroupboxplugin.cpp
index ac92485d524..559c246d0d3 100644
--- a/src/customwidgets/qgscollapsiblegroupboxplugin.cpp
+++ b/src/customwidgets/qgscollapsiblegroupboxplugin.cpp
@@ -91,12 +91,6 @@ QString QgsCollapsibleGroupBoxPlugin::domXml() const
                   "    <height>100</height>\n"
                   "   </rect>\n"
                   "  </property>\n"
-                  "  <property name=\"toolTip\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
-                  "  <property name=\"whatsThis\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
                   " </widget>\n"
                   "</ui>\n" )
          .arg( name() );
diff --git a/src/customwidgets/qgsfieldcomboboxplugin.cpp b/src/customwidgets/qgsfieldcomboboxplugin.cpp
index 6936489776c..4d94c582358 100644
--- a/src/customwidgets/qgsfieldcomboboxplugin.cpp
+++ b/src/customwidgets/qgsfieldcomboboxplugin.cpp
@@ -91,12 +91,6 @@ QString QgsFieldComboBoxPlugin::domXml() const
                   "    <height>27</height>\n"
                   "   </rect>\n"
                   "  </property>\n"
-                  "  <property name=\"toolTip\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
-                  "  <property name=\"whatsThis\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
                   " </widget>\n"
                   "</ui>\n" )
          .arg( name() );
diff --git a/src/customwidgets/qgsfieldexpressionwidgetplugin.cpp b/src/customwidgets/qgsfieldexpressionwidgetplugin.cpp
index 9a5221b13de..c12684899fb 100644
--- a/src/customwidgets/qgsfieldexpressionwidgetplugin.cpp
+++ b/src/customwidgets/qgsfieldexpressionwidgetplugin.cpp
@@ -91,12 +91,6 @@ QString QgsFieldExpressionWidgetPlugin::domXml() const
                   "    <height>27</height>\n"
                   "   </rect>\n"
                   "  </property>\n"
-                  "  <property name=\"toolTip\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
-                  "  <property name=\"whatsThis\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
                   " </widget>\n"
                   "</ui>\n" )
          .arg( name() );
diff --git a/src/customwidgets/qgsmaplayercomboboxplugin.cpp b/src/customwidgets/qgsmaplayercomboboxplugin.cpp
index 10a8aa7ee0d..0404e78fee9 100644
--- a/src/customwidgets/qgsmaplayercomboboxplugin.cpp
+++ b/src/customwidgets/qgsmaplayercomboboxplugin.cpp
@@ -91,12 +91,6 @@ QString QgsMapLayerComboBoxPlugin::domXml() const
                   "    <height>27</height>\n"
                   "   </rect>\n"
                   "  </property>\n"
-                  "  <property name=\"toolTip\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
-                  "  <property name=\"whatsThis\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
                   " </widget>\n"
                   "</ui>\n" )
          .arg( name() );
diff --git a/src/customwidgets/qgsscalerangewidgetplugin.cpp b/src/customwidgets/qgsscalerangewidgetplugin.cpp
index cddabf94577..8ba415245dd 100644
--- a/src/customwidgets/qgsscalerangewidgetplugin.cpp
+++ b/src/customwidgets/qgsscalerangewidgetplugin.cpp
@@ -91,12 +91,6 @@ QString QgsScaleRangeWidgetPlugin::domXml() const
                   "    <height>100</height>\n"
                   "   </rect>\n"
                   "  </property>\n"
-                  "  <property name=\"toolTip\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
-                  "  <property name=\"whatsThis\" >\n"
-                  "   <string></string>\n"
-                  "  </property>\n"
                   " </widget>\n"
                   "</ui>\n" )
          .arg( name() );