diff --git a/src/qtpromise/qpromise_p.h b/src/qtpromise/qpromise_p.h
index 71aa894..a4ff3ce 100644
--- a/src/qtpromise/qpromise_p.h
+++ b/src/qtpromise/qpromise_p.h
@@ -81,8 +81,8 @@ class PromiseValue
 {
 public:
     PromiseValue() { }
-    PromiseValue(const T& data) : m_data(new T(data)) { }
-    PromiseValue(T&& data) : m_data(new T(std::move(data))) { }
+    PromiseValue(const T& data) : m_data(QSharedPointer<T>::create(data)) { }
+    PromiseValue(T&& data) : m_data(QSharedPointer<T>::create(std::forward<T>(data))) { }
     bool isNull() const { return m_data.isNull(); }
     const T& data() const { return *m_data; }
 
diff --git a/src/qtpromise/qpromiseconnections.h b/src/qtpromise/qpromiseconnections.h
index b9ceab6..ecc7510 100644
--- a/src/qtpromise/qpromiseconnections.h
+++ b/src/qtpromise/qpromiseconnections.h
@@ -15,7 +15,7 @@ namespace QtPromise {
 class QPromiseConnections
 {
 public:
-    QPromiseConnections() : m_d(new Data()) { }
+    QPromiseConnections() : m_d(QSharedPointer<Data>::create()) { }
 
     int count() const { return m_d->connections.count(); }
 
diff --git a/src/qtpromise/qpromisehelpers.h b/src/qtpromise/qpromisehelpers.h
index 95162bc..46d18a9 100644
--- a/src/qtpromise/qpromisehelpers.h
+++ b/src/qtpromise/qpromisehelpers.h
@@ -59,8 +59,8 @@ all(const Sequence<QPromise<T>, Args...>& promises)
         const QPromiseResolve<QVector<T>>& resolve,
         const QPromiseReject<QVector<T>>& reject) {
 
-        QSharedPointer<int> remaining(new int(count));
-        QSharedPointer<QVector<T>> results(new QVector<T>(count));
+        auto remaining = QSharedPointer<int>::create(count);
+        auto results = QSharedPointer<QVector<T>>::create(count);
 
         int i = 0;
         for (const auto& promise: promises) {
@@ -94,7 +94,7 @@ all(const Sequence<QPromise<void>, Args...>& promises)
         const QPromiseResolve<void>& resolve,
         const QPromiseReject<void>& reject) {
 
-        QSharedPointer<int> remaining(new int(count));
+        auto remaining = QSharedPointer<int>::create(count);
 
         for (const auto& promise: promises) {
             promise.then([=]() {
diff --git a/tests/auto/qtpromise/deprecations/tst_helpers_qpromise.cpp b/tests/auto/qtpromise/deprecations/tst_helpers_qpromise.cpp
index e5a7123..189e7ba 100644
--- a/tests/auto/qtpromise/deprecations/tst_helpers_qpromise.cpp
+++ b/tests/auto/qtpromise/deprecations/tst_helpers_qpromise.cpp
@@ -108,10 +108,10 @@ void tst_deprecations_helpers_qpromise::qtSharedPtr()
     QWeakPointer<Data> wptr;
 
     {
-        QSharedPointer<Data> sptr0(new Data(42));
+        auto sptr0 = QSharedPointer<Data>::create(42);
         const QSharedPointer<Data> sptr1 = sptr0;
 
-        auto p0 = qPromise(QSharedPointer<Data>(new Data(42)));
+        auto p0 = qPromise(QSharedPointer<Data>::create(42));
         auto p1 = qPromise(sptr0);
         auto p2 = qPromise(sptr1);
 
@@ -144,10 +144,10 @@ void tst_deprecations_helpers_qpromise::stdSharedPtr()
     std::weak_ptr<Data> wptr;
 
     {
-        std::shared_ptr<Data> sptr0(new Data(42));
+        auto sptr0 = std::make_shared<Data>(42);
         const std::shared_ptr<Data> sptr1 = sptr0;
 
-        auto p0 = qPromise(std::shared_ptr<Data>(new Data(42)));
+        auto p0 = qPromise(std::make_shared<Data>(42));
         auto p1 = qPromise(sptr0);
         auto p2 = qPromise(sptr1);
 
diff --git a/tests/auto/qtpromise/helpers/tst_reject.cpp b/tests/auto/qtpromise/helpers/tst_reject.cpp
index dd9e3a7..e7bc169 100644
--- a/tests/auto/qtpromise/helpers/tst_reject.cpp
+++ b/tests/auto/qtpromise/helpers/tst_reject.cpp
@@ -41,7 +41,7 @@ void tst_helpers_reject::rejectWithQSharedPtr()
     QWeakPointer<int> wptr;
 
     {
-        QSharedPointer<int> sptr(new int(42));
+        auto sptr = QSharedPointer<int>::create(42);
         auto p = QPromise<int>::reject(sptr);
 
         QCOMPARE(waitForError(p, QSharedPointer<int>()), sptr);
@@ -61,7 +61,7 @@ void tst_helpers_reject::rejectWithStdSharedPtr()
     std::weak_ptr<int> wptr;
 
     {
-        std::shared_ptr<int> sptr(new int(42));
+        auto sptr = std::make_shared<int>(42);
         auto p = QPromise<int>::reject(sptr);
 
         QCOMPARE(waitForError(p, std::shared_ptr<int>()), sptr);
diff --git a/tests/auto/qtpromise/helpers/tst_resolve.cpp b/tests/auto/qtpromise/helpers/tst_resolve.cpp
index 52cbb86..d9bb7b7 100644
--- a/tests/auto/qtpromise/helpers/tst_resolve.cpp
+++ b/tests/auto/qtpromise/helpers/tst_resolve.cpp
@@ -108,10 +108,10 @@ void tst_helpers_resolve::qtSharedPtr()
     QWeakPointer<Data> wptr;
 
     {
-        QSharedPointer<Data> sptr0(new Data(42));
+        auto sptr0 = QSharedPointer<Data>::create(42);
         const QSharedPointer<Data> sptr1 = sptr0;
 
-        auto p0 = QtPromise::resolve(QSharedPointer<Data>(new Data(42)));
+        auto p0 = QtPromise::resolve(QSharedPointer<Data>::create(42));
         auto p1 = QtPromise::resolve(sptr0);
         auto p2 = QtPromise::resolve(sptr1);
 
@@ -144,10 +144,10 @@ void tst_helpers_resolve::stdSharedPtr()
     std::weak_ptr<Data> wptr;
 
     {
-        std::shared_ptr<Data> sptr0(new Data(42));
+        auto sptr0 = std::make_shared<Data>(42);
         const std::shared_ptr<Data> sptr1 = sptr0;
 
-        auto p0 = QtPromise::resolve(std::shared_ptr<Data>(new Data(42)));
+        auto p0 = QtPromise::resolve(std::make_shared<Data>(42));
         auto p1 = QtPromise::resolve(sptr0);
         auto p2 = QtPromise::resolve(sptr1);
 
diff --git a/tests/auto/qtpromise/qpromise/tst_construct.cpp b/tests/auto/qtpromise/qpromise/tst_construct.cpp
index c108aab..e6a2e98 100644
--- a/tests/auto/qtpromise/qpromise/tst_construct.cpp
+++ b/tests/auto/qtpromise/qpromise/tst_construct.cpp
@@ -276,7 +276,7 @@ void tst_qpromise_construct::connectAndResolve()
 
             connect(object.data(), &QObject::objectNameChanged,
                 [=, &wptr](const QString& name) {
-                    std::shared_ptr<int> sptr(new int(42));
+                    auto sptr = std::make_shared<int>(42);
 
                     wptr = sptr;
 
@@ -313,7 +313,7 @@ void tst_qpromise_construct::connectAndReject()
 
             connect(object.data(), &QObject::objectNameChanged,
                 [=, &wptr](const QString& name) {
-                    std::shared_ptr<int> sptr(new int(42));
+                    auto sptr = std::make_shared<int>(42);
 
                     wptr = sptr;
 
diff --git a/tests/auto/qtpromise/qpromise/tst_resolve.cpp b/tests/auto/qtpromise/qpromise/tst_resolve.cpp
index 362e8b2..178c855 100644
--- a/tests/auto/qtpromise/qpromise/tst_resolve.cpp
+++ b/tests/auto/qtpromise/qpromise/tst_resolve.cpp
@@ -103,10 +103,10 @@ void tst_qpromise_resolve::qtSharedPtr()
     QWeakPointer<Data> wptr;
 
     {
-        QSharedPointer<Data> sptr0(new Data(42));
+        auto sptr0 = QSharedPointer<Data>::create(42);
         const QSharedPointer<Data> sptr1 = sptr0;
 
-        auto p0 = QPromise<QSharedPointer<Data>>::resolve(QSharedPointer<Data>(new Data(42)));
+        auto p0 = QPromise<QSharedPointer<Data>>::resolve(QSharedPointer<Data>::create(42));
         auto p1 = QPromise<QSharedPointer<Data>>::resolve(sptr0);
         auto p2 = QPromise<QSharedPointer<Data>>::resolve(sptr1);
 
@@ -139,10 +139,10 @@ void tst_qpromise_resolve::stdSharedPtr()
     std::weak_ptr<Data> wptr;
 
     {
-        std::shared_ptr<Data> sptr0(new Data(42));
+        auto sptr0 = std::make_shared<Data>(42);
         const std::shared_ptr<Data> sptr1 = sptr0;
 
-        auto p0 = QPromise<std::shared_ptr<Data>>::resolve(std::shared_ptr<Data>(new Data(42)));
+        auto p0 = QPromise<std::shared_ptr<Data>>::resolve(std::make_shared<Data>(42));
         auto p1 = QPromise<std::shared_ptr<Data>>::resolve(sptr0);
         auto p2 = QPromise<std::shared_ptr<Data>>::resolve(sptr1);