diff --git a/src/common/davcollection.cpp b/src/common/davcollection.cpp
--- a/src/common/davcollection.cpp
+++ b/src/common/davcollection.cpp
@@ -27,13 +27,8 @@
 class DavCollectionPrivate
 {
 public:
-    DavCollectionPrivate(DavCollection *qPtr) : q(qPtr)
-    {
-    }
-
     void fillFrom(const DavCollectionPrivate &other);
 
-    DavCollection *q;
     QString mCTag;
     DavUrl mUrl;
     QString mDisplayName;
@@ -53,21 +48,21 @@
 }
 
 DavCollection::DavCollection()
-    : d(std::unique_ptr<DavCollectionPrivate>(new DavCollectionPrivate(this)))
+    : d(std::unique_ptr<DavCollectionPrivate>(new DavCollectionPrivate))
 {
 }
 
 DavCollection::DavCollection(const DavUrl &url, const QString &displayName, ContentTypes contentTypes)
-    : d(std::unique_ptr<DavCollectionPrivate>(new DavCollectionPrivate(this)))
+    : d(std::unique_ptr<DavCollectionPrivate>(new DavCollectionPrivate))
 {
     d->mUrl = url;
     d->mDisplayName = displayName;
     d->mContentTypes = contentTypes;
     d->mPrivileges = KDAV::All;
 }
 
 DavCollection::DavCollection(const DavCollection &other)
-    : d(std::unique_ptr<DavCollectionPrivate>(new DavCollectionPrivate(this)))
+    : d(std::unique_ptr<DavCollectionPrivate>(new DavCollectionPrivate))
 {
     d->fillFrom(*other.d.get());
 }
diff --git a/src/common/davitem.cpp b/src/common/davitem.cpp
--- a/src/common/davitem.cpp
+++ b/src/common/davitem.cpp
@@ -25,14 +25,8 @@
 class DavItemPrivate
 {
 public:
-    DavItemPrivate(DavItem *qPtr) : q(qPtr)
-    {
-    }
-
     void fillFrom(const DavItemPrivate &other);
 
-    DavItem *q;
-
     DavUrl mUrl;
     QString mContentType;
     QByteArray mData;
@@ -48,21 +42,21 @@
 }
 
 DavItem::DavItem()
-    : d(std::unique_ptr<DavItemPrivate>(new DavItemPrivate(this)))
+    : d(std::unique_ptr<DavItemPrivate>(new DavItemPrivate))
 {
 }
 
 DavItem::DavItem(const DavUrl &url, const QString &contentType, const QByteArray &data, const QString &etag)
-    : d(std::unique_ptr<DavItemPrivate>(new DavItemPrivate(this)))
+    : d(std::unique_ptr<DavItemPrivate>(new DavItemPrivate))
 {
     d->mUrl = url;
     d->mContentType = contentType;
     d->mData = data;
     d->mEtag = etag;
 }
 
 DavItem::DavItem(const DavItem &other)
-    : d(std::unique_ptr<DavItemPrivate>(new DavItemPrivate(this)))
+    : d(std::unique_ptr<DavItemPrivate>(new DavItemPrivate))
 {
     d->fillFrom(*other.d.get());
 }