diff --git a/src/gui/painting/qpaintbuffer.cpp b/src/gui/painting/qpaintbuffer.cpp
index 309b619082..03a5d91052 100644
--- a/src/gui/painting/qpaintbuffer.cpp
+++ b/src/gui/painting/qpaintbuffer.cpp
@@ -2114,10 +2114,8 @@ QDataStream &operator>>(QDataStream &stream, QPaintBufferCacheEntryV2 &entry)
 
 static void qRegisterPaintBufferMetaTypes()
 {
-    qRegisterMetaType<QPaintBufferCacheEntry>();
-    qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntry>("QPaintBufferCacheEntry");
-    qRegisterMetaType<QPaintBufferCacheEntryV2>();
-    qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntryV2>("QPaintBufferCacheEntryV2");
+    qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntry>();
+    qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntryV2>();
 }
 
 Q_CONSTRUCTOR_FUNCTION(qRegisterPaintBufferMetaTypes)