diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
index f2573895c6..fb4d8c007f 100644
--- a/src/qml/qml/qqmlimport.cpp
+++ b/src/qml/qml/qqmlimport.cpp
@@ -1344,6 +1344,7 @@ QQmlImportDatabase::QQmlImportDatabase(QQmlEngine *e)
 
 QQmlImportDatabase::~QQmlImportDatabase()
 {
+    qDeleteAll(qmldirCache);
     qmldirCache.clear();
 }