diff --git a/src/corelib/tools/qringbuffer.cpp b/src/corelib/tools/qringbuffer.cpp
index 72c56a20f6..96ba5c2b44 100644
--- a/src/corelib/tools/qringbuffer.cpp
+++ b/src/corelib/tools/qringbuffer.cpp
@@ -82,7 +82,6 @@ QByteArray QRingChunk::toByteArray() &&
             headOffset = 0;
         }
 
-        chunk.reserve(0); // avoid that resizing needlessly reallocates
         chunk.resize(tailOffset);
     }