2 files changed, 2 insertions, 0 deletions
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index 66b5e75a1a..c59f789cb2 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -432,6 +432,7 @@ public:
         typedef const Key *pointer;
         typedef const Key &reference;
 
+        key_iterator() = default;
         explicit key_iterator(const_iterator o) : i(o) { }
 
         const Key &operator*() const { return i.key(); }
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index e6da2820f8..3ee6ab8c58 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -531,6 +531,7 @@ public:
         typedef const Key *pointer;
         typedef const Key &reference;
 
+        key_iterator() = default;
         explicit key_iterator(const_iterator o) : i(o) { }
 
         const Key &operator*() const { return i.key(); }