diff --git a/share/qtcreator/debugger/stdtypes.py b/share/qtcreator/debugger/stdtypes.py
index 5015cabe416..d37edc150a2 100644
--- a/share/qtcreator/debugger/stdtypes.py
+++ b/share/qtcreator/debugger/stdtypes.py
@@ -476,7 +476,6 @@ def qdump__std__shared_ptr(d, value):
     if d.isSimpleType(d.templateArgument(value.type, 0)):
         d.putValue("%s @0x%x" % (d.simpleValue(i.dereference()), d.pointerValue(i)))
     else:
-        i = d.expensiveDowncast(i)
         d.putValue("@0x%x" % d.pointerValue(i))
 
     d.putNumChild(3)
@@ -515,7 +514,6 @@ def qdump__std__unique_ptr(d, value):
     if d.isSimpleType(d.templateArgument(value.type, 0)):
         d.putValue("%s @0x%x" % (d.simpleValue(i.dereference()), d.pointerValue(i)))
     else:
-        i = d.expensiveDowncast(i)
         d.putValue("@0x%x" % d.pointerValue(i))
 
     d.putNumChild(1)