diff --git a/src/plugins/git/changeselectiondialog.cpp b/src/plugins/git/changeselectiondialog.cpp
index 654ac5dcf84..2aae1679ad3 100644
--- a/src/plugins/git/changeselectiondialog.cpp
+++ b/src/plugins/git/changeselectiondialog.cpp
@@ -39,6 +39,7 @@ ChangeSelectionDialog::ChangeSelectionDialog(QWidget *parent)
     : QDialog(parent)
 {
     m_ui.setupUi(this);
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     connect(m_ui.repositoryButton, SIGNAL(clicked()), this, SLOT(selectWorkingDirectory()));
     setWindowTitle(tr("Select a Git Commit"));
 }
diff --git a/src/plugins/git/changeselectiondialog.ui b/src/plugins/git/changeselectiondialog.ui
index b2f368e6869..704596b3a85 100644
--- a/src/plugins/git/changeselectiondialog.ui
+++ b/src/plugins/git/changeselectiondialog.ui
@@ -6,13 +6,13 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>327</width>
-    <height>91</height>
+    <width>359</width>
+    <height>115</height>
    </rect>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <property name="sizeConstraint">
-    <enum>QLayout::SetMinAndMaxSize</enum>
+    <enum>QLayout::SetDefaultConstraint</enum>
    </property>
    <item row="0" column="0">
     <widget class="QLabel" name="label">