diff --git a/src/plugins/coreplugin/locator/basefilefilter.cpp b/src/plugins/coreplugin/locator/basefilefilter.cpp
index 8f28191433b..b505ccfaad6 100644
--- a/src/plugins/coreplugin/locator/basefilefilter.cpp
+++ b/src/plugins/coreplugin/locator/basefilefilter.cpp
@@ -72,6 +72,9 @@ public:
 } // Internal
 } // Core
 
+BaseFileFilter::Iterator::~Iterator()
+{}
+
 BaseFileFilter::BaseFileFilter()
   : d(new Internal::BaseFileFilterPrivate)
 {
diff --git a/src/plugins/coreplugin/locator/basefilefilter.h b/src/plugins/coreplugin/locator/basefilefilter.h
index fefc6a1d39a..ad7d49c0a13 100644
--- a/src/plugins/coreplugin/locator/basefilefilter.h
+++ b/src/plugins/coreplugin/locator/basefilefilter.h
@@ -45,9 +45,9 @@ class CORE_EXPORT BaseFileFilter : public ILocatorFilter
     Q_OBJECT
 
 public:
-    class Iterator {
+    class CORE_EXPORT Iterator {
     public:
-        virtual ~Iterator() { }
+        virtual ~Iterator();
         virtual void toFront() = 0;
         virtual bool hasNext() const = 0;
         virtual QString next() = 0;