diff --git a/src/KDbDriverManager.cpp b/src/KDbDriverManager.cpp
--- a/src/KDbDriverManager.cpp
+++ b/src/KDbDriverManager.cpp
@@ -44,6 +44,8 @@
     drivermanagerDebug();
     qDeleteAll(m_drivers);
     m_drivers.clear();
+    qDeleteAll(m_driversMetaData);
+    m_driversMetaData.clear();
     drivermanagerDebug() << "ok";
 }