diff --git a/sdrbase/maincore.cpp b/sdrbase/maincore.cpp
index b636441d8..da81e1009 100644
--- a/sdrbase/maincore.cpp
+++ b/sdrbase/maincore.cpp
@@ -228,6 +228,7 @@ void MainCore::removeLastDeviceSet()
         DeviceSet *deviceSet = m_deviceSets.back();
         m_deviceSetsMap.remove(deviceSet);
         m_deviceSets.pop_back();
+        delete deviceSet;
     }
 }