diff --git a/src/Gui/DlgRunExternal.ui b/src/Gui/DlgRunExternal.ui
index 11202e628e..ff3f452581 100644
--- a/src/Gui/DlgRunExternal.ui
+++ b/src/Gui/DlgRunExternal.ui
@@ -26,7 +26,6 @@
       <widget class="QLabel" name="programName">
        <property name="font">
         <font>
-         <family>MS Shell Dlg 2</family>
          <pointsize>14</pointsize>
          <weight>50</weight>
          <italic>false</italic>
diff --git a/src/Mod/PartDesign/Gui/TaskTransformedMessages.ui b/src/Mod/PartDesign/Gui/TaskTransformedMessages.ui
index 203f4577b9..ed9e2f5210 100644
--- a/src/Mod/PartDesign/Gui/TaskTransformedMessages.ui
+++ b/src/Mod/PartDesign/Gui/TaskTransformedMessages.ui
@@ -18,7 +18,6 @@
     <widget class="QLabel" name="labelTransformationStatus">
      <property name="font">
       <font>
-       <family>Bitstream Charter</family>
        <pointsize>9</pointsize>
       </font>
      </property>
diff --git a/src/Mod/Robot/Gui/TaskRobot6Axis.ui b/src/Mod/Robot/Gui/TaskRobot6Axis.ui
index 742ab9b502..bb54eec2f5 100644
--- a/src/Mod/Robot/Gui/TaskRobot6Axis.ui
+++ b/src/Mod/Robot/Gui/TaskRobot6Axis.ui
@@ -304,7 +304,6 @@
     <widget class="QLabel" name="label_TCP">
      <property name="font">
       <font>
-       <family>Arial</family>
        <pointsize>7</pointsize>
        <weight>75</weight>
        <bold>true</bold>
@@ -321,7 +320,6 @@
       <widget class="QLabel" name="label_Tool">
        <property name="font">
         <font>
-         <family>Arial</family>
          <pointsize>8</pointsize>
          <weight>75</weight>
          <bold>true</bold>
diff --git a/src/Mod/Robot/Gui/TaskTrajectory.ui b/src/Mod/Robot/Gui/TaskTrajectory.ui
index f3c00a0fbb..1067600c34 100644
--- a/src/Mod/Robot/Gui/TaskTrajectory.ui
+++ b/src/Mod/Robot/Gui/TaskTrajectory.ui
@@ -282,7 +282,6 @@
     <widget class="QLabel" name="label_Pos">
      <property name="font">
       <font>
-       <family>Arial</family>
        <pointsize>7</pointsize>
        <weight>75</weight>
        <bold>true</bold>
diff --git a/src/Mod/Sketcher/Gui/TaskSketcherMessages.ui b/src/Mod/Sketcher/Gui/TaskSketcherMessages.ui
index 3cdc3ad6de..9496f6fd9f 100644
--- a/src/Mod/Sketcher/Gui/TaskSketcherMessages.ui
+++ b/src/Mod/Sketcher/Gui/TaskSketcherMessages.ui
@@ -18,7 +18,6 @@
     <widget class="QLabel" name="labelConstrainStatus">
      <property name="font">
       <font>
-       <family>Bitstream Charter</family>
        <pointsize>9</pointsize>
       </font>
      </property>
@@ -34,7 +33,6 @@
     <widget class="QLabel" name="labelSolverStatus">
      <property name="font">
       <font>
-       <family>Bitstream Charter</family>
        <pointsize>9</pointsize>
       </font>
      </property>