diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 11de984438..a9f9a98c2c 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -4783,13 +4783,8 @@ QImage QImage::transformed(const QTransform &matrix, Qt::TransformationMode mode
         else if (mat.m11() == -1. && mat.m22() == -1.)
             return rotated180(*this);
 
-        if (mode == Qt::FastTransformation) {
-            hd = qRound(qAbs(mat.m22()) * hs);
-            wd = qRound(qAbs(mat.m11()) * ws);
-        } else {
-            hd = int(qAbs(mat.m22()) * hs + 0.9999);
-            wd = int(qAbs(mat.m11()) * ws + 0.9999);
-        }
+        hd = qRound(qAbs(mat.m22()) * hs);
+        wd = qRound(qAbs(mat.m11()) * ws);
         scale_xform = true;
         // The paint-based scaling is only bilinear, and has problems
         // with scaling smoothly more than 2x down.
diff --git a/src/gui/text/windows/qwindowsfontengine.cpp b/src/gui/text/windows/qwindowsfontengine.cpp
index 06c21d930b..545b5459e2 100644
--- a/src/gui/text/windows/qwindowsfontengine.cpp
+++ b/src/gui/text/windows/qwindowsfontengine.cpp
@@ -626,8 +626,8 @@ qreal QWindowsFontEngine::minRightBearing() const
                     fmr = qMin(fmr,abc[i].abcfC);
                 }
             }
-            ml = int(fml - 0.9999);
-            mr = int(fmr - 0.9999);
+            ml = qFloor(fml);
+            mr = qFloor(fmr);
             delete [] abc;
         }
         lbearing = ml;
diff --git a/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp b/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp
index 2a84431cde..186a3cf9d7 100644
--- a/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp
+++ b/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp
@@ -1437,22 +1437,16 @@ QPixmap QX11PlatformPixmap::transformed(const QTransform &transform, Qt::Transfo
                    transform.m21(), transform.m22(), transform.m23(),
                    0., 0., 1);
     bool complex_xform = false;
-    qreal scaledWidth;
-    qreal scaledHeight;
 
     if (mat.type() <= QTransform::TxScale) {
-        scaledHeight = qAbs(mat.m22()) * hs + 0.9999;
-        scaledWidth = qAbs(mat.m11()) * ws + 0.9999;
-        h = qAbs(int(scaledHeight));
-        w = qAbs(int(scaledWidth));
+        h = qRound(qAbs(mat.m22()) * hs);
+        w = qRound(qAbs(mat.m11()) * ws);
     } else {                                        // rotation or shearing
         QPolygonF a(QRectF(0, 0, ws, hs));
         a = mat.map(a);
         QRect r = a.boundingRect().toAlignedRect();
         w = r.width();
         h = r.height();
-        scaledWidth = w;
-        scaledHeight = h;
         complex_xform = true;
     }
     mat = QPixmap::trueMatrix(mat, ws, hs); // true matrix
@@ -1461,7 +1455,7 @@ QPixmap QX11PlatformPixmap::transformed(const QTransform &transform, Qt::Transfo
     mat = mat.inverted(&invertible);  // invert matrix
 
     if (h == 0 || w == 0 || !invertible
-        || qAbs(scaledWidth) >= 32768 || qAbs(scaledHeight) >= 32768 )
+        || qAbs(h) >= 32768 || qAbs(w) >= 32768 )
     // error, return null pixmap
         return QPixmap();