diff --git a/src/plugins/coreplugin/infobar.cpp b/src/plugins/coreplugin/infobar.cpp
index acbccd47d39..9fcc7ce18ae 100644
--- a/src/plugins/coreplugin/infobar.cpp
+++ b/src/plugins/coreplugin/infobar.cpp
@@ -139,10 +139,13 @@ void InfoBar::clear()
 void InfoBar::globallySuppressInfo(Id id)
 {
     globallySuppressed.insert(id);
-    QStringList list;
-    foreach (Id i, globallySuppressed)
-        list << QLatin1String(i.name());
-    ICore::settings()->setValue(QLatin1String(C_SUPPRESSED_WARNINGS), list);
+    writeGloballySuppressedToSettings();
+}
+
+void InfoBar::globallyUnsuppressInfo(Id id)
+{
+    globallySuppressed.remove(id);
+    writeGloballySuppressedToSettings();
 }
 
 void InfoBar::initializeGloballySuppressed()
@@ -163,6 +166,14 @@ bool InfoBar::anyGloballySuppressed()
     return !globallySuppressed.isEmpty();
 }
 
+void InfoBar::writeGloballySuppressedToSettings()
+{
+    QStringList list;
+    foreach (Id i, globallySuppressed)
+        list << QLatin1String(i.name());
+    ICore::settings()->setValue(QLatin1String(C_SUPPRESSED_WARNINGS), list);
+}
+
 
 InfoBarDisplay::InfoBarDisplay(QObject *parent)
     : QObject(parent)
diff --git a/src/plugins/coreplugin/infobar.h b/src/plugins/coreplugin/infobar.h
index 906f74ca78b..e832e570055 100644
--- a/src/plugins/coreplugin/infobar.h
+++ b/src/plugins/coreplugin/infobar.h
@@ -92,6 +92,7 @@ public:
     void enableInfo(Id id);
     void clear();
     static void globallySuppressInfo(Id id);
+    static void globallyUnsuppressInfo(Id id);
     static void initializeGloballySuppressed();
     static void clearGloballySuppressed();
     static bool anyGloballySuppressed();
@@ -99,6 +100,9 @@ public:
 signals:
     void changed();
 
+private:
+    static void writeGloballySuppressedToSettings();
+
 private:
     QList<InfoBarEntry> m_infoBarEntries;
     QSet<Id> m_suppressed;