3 files changed, 2 insertions, 8 deletions
diff --git a/src/corelib/tools/qarraydata.cpp b/src/corelib/tools/qarraydata.cpp
index 1c0371e463e..d173d824e88 100644
--- a/src/corelib/tools/qarraydata.cpp
+++ b/src/corelib/tools/qarraydata.cpp
@@ -162,7 +162,7 @@ allocateHelper(QArrayData **dptr, qsizetype objectSize, qsizetype alignment, qsi
                QArrayData::AllocationOption option) noexcept
 {
     *dptr = nullptr;
-    if (capacity == 0)
+    if (capacity <= 0)
         return {};
 
     const qsizetype headerSize = calculateHeaderSize(alignment);
diff --git a/src/corelib/tools/qeasingcurve.cpp b/src/corelib/tools/qeasingcurve.cpp
index de68a0042ac..ce35e8ccffe 100644
--- a/src/corelib/tools/qeasingcurve.cpp
+++ b/src/corelib/tools/qeasingcurve.cpp
@@ -332,8 +332,6 @@ struct TCBPoint
     qreal _c;
     qreal _b;
 
-    TCBPoint() {}
-    TCBPoint(QPointF point, qreal t, qreal c, qreal b) : _point(point), _t(t), _c(c), _b(b) {}
 
     bool operator==(const TCBPoint &other) const
     {
@@ -1381,7 +1379,7 @@ void QEasingCurve::addTCBSegment(const QPointF &nextPoint, qreal t, qreal c, qre
     if (!d_ptr->config)
         d_ptr->config = curveToFunctionObject(d_ptr->type);
 
-    d_ptr->config->_tcbPoints.append(TCBPoint(nextPoint, t, c, b));
+    d_ptr->config->_tcbPoints.append(TCBPoint{nextPoint, t, c, b});
 
     if (nextPoint == QPointF(1.0, 1.0)) {
         d_ptr->config->_bezierCurves = tcbToBezier(d_ptr->config->_tcbPoints);
diff --git a/src/corelib/tools/qsize.h b/src/corelib/tools/qsize.h
index 1c5b02ed1f0..680bf2812d3 100644
--- a/src/corelib/tools/qsize.h
+++ b/src/corelib/tools/qsize.h
@@ -254,15 +254,11 @@ public:
     inline QSizeF &operator/=(qreal c);
 
 private:
-    QT_WARNING_PUSH
-    QT_WARNING_DISABLE_FLOAT_COMPARE
     friend constexpr bool qFuzzyCompare(const QSizeF &s1, const QSizeF &s2) noexcept
     {
-        // if one of the arguments is 0.0.
         return QtPrivate::fuzzyCompare(s1.wd, s2.wd)
             && QtPrivate::fuzzyCompare(s1.ht, s2.ht);
     }
-    QT_WARNING_POP
     friend constexpr bool qFuzzyIsNull(const QSizeF &size) noexcept
     { return qFuzzyIsNull(size.wd) && qFuzzyIsNull(size.ht); }
     friend constexpr bool comparesEqual(const QSizeF &lhs, const QSizeF &rhs) noexcept