diff --git a/src/corelib/compat/removed_api.cpp b/src/corelib/compat/removed_api.cpp
index 6aa0d1cee95..0553d32807f 100644
--- a/src/corelib/compat/removed_api.cpp
+++ b/src/corelib/compat/removed_api.cpp
@@ -919,6 +919,11 @@ QUrl QUrl::fromEncoded(const QByteArray &input, ParsingMode mode)
 
 #include "qdatastream.h" // inlined API
 
+QDataStream &QDataStream::operator<<(bool i)
+{
+    return (*this << qint8(i));
+}
+
 #include "qdir.h" // inlined API
 
 bool QDir::operator==(const QDir &dir) const
diff --git a/src/corelib/serialization/qdatastream.cpp b/src/corelib/serialization/qdatastream.cpp
index 29fe9978011..14bbae53f43 100644
--- a/src/corelib/serialization/qdatastream.cpp
+++ b/src/corelib/serialization/qdatastream.cpp
@@ -1267,18 +1267,13 @@ QDataStream &QDataStream::operator<<(qint64 i)
 */
 
 /*!
+    \fn QDataStream &QDataStream::operator<<(bool i)
+    \overload
+
     Writes a boolean value, \a i, to the stream. Returns a reference
     to the stream.
 */
 
-QDataStream &QDataStream::operator<<(bool i)
-{
-    CHECK_STREAM_WRITE_PRECOND(*this)
-    if (!dev->putChar(qint8(i)))
-        q_status = WriteFailed;
-    return *this;
-}
-
 /*!
     \overload
 
diff --git a/src/corelib/serialization/qdatastream.h b/src/corelib/serialization/qdatastream.h
index 616f6330d94..5aa5cc28cdd 100644
--- a/src/corelib/serialization/qdatastream.h
+++ b/src/corelib/serialization/qdatastream.h
@@ -167,7 +167,18 @@ public:
     QDataStream &operator<<(qint64 i);
     QDataStream &operator<<(quint64 i);
     QDataStream &operator<<(std::nullptr_t) { return *this; }
+#if QT_CORE_REMOVED_SINCE(6, 8) || defined(Q_QDOC)
     QDataStream &operator<<(bool i);
+#endif
+#if !defined(Q_QDOC)
+    // Disable implicit conversions to bool (e.g. for pointers)
+    template <typename T,
+             std::enable_if_t<std::is_same_v<std::remove_cv_t<T>, bool>, bool> = true>
+    QDataStream &operator<<(T i)
+    {
+        return (*this << qint8(i));
+    }
+#endif
 #if QT_CORE_REMOVED_SINCE(6, 3)
     QDataStream &operator<<(qfloat16 f);
 #endif
@@ -176,9 +187,6 @@ public:
     QDataStream &operator<<(const char *str);
     QDataStream &operator<<(char16_t c);
     QDataStream &operator<<(char32_t c);
-    QDataStream &operator<<(const volatile void *) = delete;
-    template <typename T, typename C>
-    QDataStream &operator<<(T C::*) = delete;
 
 #if QT_DEPRECATED_SINCE(6, 11)
     QT_DEPRECATED_VERSION_X_6_11("Use an overload that takes qint64 length.")