diff --git a/src/libs/utils/detailsbutton.cpp b/src/libs/utils/detailsbutton.cpp
index 033cbb871247c872c3c1f34dd7f6f65b4ad36676..968c1dc9433aa9e4e70c805d1a0000fbbfab6100 100644
--- a/src/libs/utils/detailsbutton.cpp
+++ b/src/libs/utils/detailsbutton.cpp
@@ -12,8 +12,6 @@ DetailsButton::DetailsButton(QWidget *parent)
 #ifdef Q_OS_MAC
     setAttribute(Qt::WA_MacSmallSize);
     setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
-    s.upButton->setIconSize(QSize(10, 10));
-    s.downButton->setIconSize(QSize(10, 10));
 #else
     setCheckable(true);
 #endif
diff --git a/src/plugins/qt4projectmanager/qt4runconfiguration.cpp b/src/plugins/qt4projectmanager/qt4runconfiguration.cpp
index 33f832f70ce72a23b6f3e839590e1a96a3248cdf..28bc683948f59556add9083f755f8662263b91f2 100644
--- a/src/plugins/qt4projectmanager/qt4runconfiguration.cpp
+++ b/src/plugins/qt4projectmanager/qt4runconfiguration.cpp
@@ -169,14 +169,14 @@ Qt4RunConfigurationWidget::Qt4RunConfigurationWidget(Qt4RunConfiguration *qt4Run
     vboxTopLayout->setContentsMargins(0, -1, 0, -1);
     m_summaryLabel = new QLabel(this);
     m_summaryLabel->setText("This is a summary");
-    m_detailsButton = new Utils::DetailsButton(this);
+    QAbstractButton *detailsButton = new Utils::DetailsButton(this);
 
-    connect(m_detailsButton, SIGNAL(clicked()),
+    connect(detailsButton, SIGNAL(clicked()),
             this, SLOT(toggleDetails()));
 
     QHBoxLayout *detailsLayout = new QHBoxLayout();
     detailsLayout->addWidget(m_summaryLabel);
-    detailsLayout->addWidget(m_detailsButton);
+    detailsLayout->addWidget(detailsButton);
 
     vboxTopLayout->addLayout(detailsLayout);
 
diff --git a/src/plugins/qt4projectmanager/qt4runconfiguration.h b/src/plugins/qt4projectmanager/qt4runconfiguration.h
index 343e240196c7978d462a514b745c98c521f21ca0..9b0bd46d34457bb4397b43a3812e26b4e90c1e09 100644
--- a/src/plugins/qt4projectmanager/qt4runconfiguration.h
+++ b/src/plugins/qt4projectmanager/qt4runconfiguration.h
@@ -183,7 +183,6 @@ private:
 
     QComboBox *m_baseEnvironmentComboBox;
     QWidget *m_detailsWidget;
-    QToolButton *m_detailsButton;
     QLabel *m_summaryLabel;
 
     ProjectExplorer::EnvironmentWidget *m_environmentWidget;