diff --git a/src/View/mainpage/DicomView.py b/src/View/mainpage/DicomView.py
index 0c8b3d01..380274ae 100644
--- a/src/View/mainpage/DicomView.py
+++ b/src/View/mainpage/DicomView.py
@@ -8,7 +8,7 @@
 class CustomGraphicsView(QtWidgets.QGraphicsView):
     def __init__(self, parent=None):
         super().__init__(parent)
-        self.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
+        # self.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
 
     def wheelEvent(self, event: QtGui.QWheelEvent):
         modifiers = event.modifiers()
diff --git a/src/View/mainpage/WindowingSlider.py b/src/View/mainpage/WindowingSlider.py
index 18fab598..a08c56b2 100644
--- a/src/View/mainpage/WindowingSlider.py
+++ b/src/View/mainpage/WindowingSlider.py
@@ -61,7 +61,7 @@ def __init__(self, dicom_view, width=50):
             QtCore.QRectF(0, 0, self.fixed_width-10, self.height()))
 
         self.histogram_view.resize(self.fixed_width, self.height())
-        #self.histogram_view.setMouseTracking(True)
+        self.histogram_view.setMouseTracking(True)
         self.histogram_view.viewport().installEventFilter(self)
 
         self.slider_density = int(self.height() / 3)