diff --git a/src/Mod/Part/Gui/DlgExportHeaderStep.ui b/src/Mod/Part/Gui/DlgExportHeaderStep.ui
index f61691b3af..f9311dccca 100644
--- a/src/Mod/Part/Gui/DlgExportHeaderStep.ui
+++ b/src/Mod/Part/Gui/DlgExportHeaderStep.ui
@@ -14,6 +14,9 @@
    <string notr="true">STEP</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_4">
+   <property name="margin">
+    <number>0</number>
+   </property>
    <item row="1" column="0">
     <widget class="QGroupBox" name="groupBoxHeader">
      <property name="toolTip">
diff --git a/src/Mod/Part/Gui/DlgImportStep.ui b/src/Mod/Part/Gui/DlgImportStep.ui
index cde8eeb748..3b54a070a1 100644
--- a/src/Mod/Part/Gui/DlgImportStep.ui
+++ b/src/Mod/Part/Gui/DlgImportStep.ui
@@ -14,6 +14,9 @@
    <string>STEP Import Settings</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_4">
+   <property name="margin">
+    <number>0</number>
+   </property>
    <item row="1" column="0">
     <widget class="QGroupBox" name="GroupBox2">
      <property name="title">