diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp
index adfa939cc6d..421e716d141 100644
--- a/src/corelib/tools/qbytearray.cpp
+++ b/src/corelib/tools/qbytearray.cpp
@@ -4337,7 +4337,6 @@ QByteArray &QByteArray::setRawData(const char *data, uint size)
         } else {
             d->offset = sizeof(QByteArrayData);
             d->size = 0;
-            *d->data() = 0;
         }
     }
     return *this;