diff --git a/src/corelib/io/qwindowspipereader.cpp b/src/corelib/io/qwindowspipereader.cpp
index b8ab7c8ffd..b8ea89b8e3 100644
--- a/src/corelib/io/qwindowspipereader.cpp
+++ b/src/corelib/io/qwindowspipereader.cpp
@@ -307,6 +307,8 @@ void QWindowsPipeReader::startAsyncReadLocked()
 }
 
 /*!
+    \internal
+
     Thread pool callback procedure.
  */
 void QWindowsPipeReader::waitCallback(PTP_CALLBACK_INSTANCE instance, PVOID context,
diff --git a/src/corelib/io/qwindowspipewriter.cpp b/src/corelib/io/qwindowspipewriter.cpp
index d711528c8f..4b075549d0 100644
--- a/src/corelib/io/qwindowspipewriter.cpp
+++ b/src/corelib/io/qwindowspipewriter.cpp
@@ -183,6 +183,7 @@ void QWindowsPipeWriter::startAsyncWriteLocked()
 }
 
 /*!
+    \internal
     Thread pool callback procedure.
  */
 void QWindowsPipeWriter::waitCallback(PTP_CALLBACK_INSTANCE instance, PVOID context,