diff --git a/src/grpc/qgrpchttp2channel.cpp b/src/grpc/qgrpchttp2channel.cpp
index 2cdb9136..462813cc 100644
--- a/src/grpc/qgrpchttp2channel.cpp
+++ b/src/grpc/qgrpchttp2channel.cpp
@@ -68,6 +68,8 @@ using namespace QtGrpc;
     {serializationFormat}, or other options by constructing it with a
     QGrpcChannelOptions containing the required customizations.
 
+    \note \l{QGrpcChannelOptions::filterServerMetadata} is enabled by default.
+
     \section2 Transportation scheme
 
     The QGrpcHttp2Channel implementation prefers different transportation
@@ -312,6 +314,7 @@ public:
 
 private:
     [[nodiscard]] HPack::HttpHeader constructInitialHeaders() const;
+    [[nodiscard]] bool constructFilterServerMetadata() const;
     [[nodiscard]] QGrpcHttp2ChannelPrivate *channelPriv() const;
     [[nodiscard]] QGrpcHttp2Channel *channel() const;
     [[nodiscard]] bool handleContextExpired();
@@ -324,6 +327,7 @@ private:
     State m_state = State::Idle;
     const bool m_endStreamAtFirstData;
     bool m_writesDoneSent = false;
+    bool m_filterServerMetadata;
     QTimer m_deadlineTimer;
 
     Q_DISABLE_COPY_MOVE(Http2Handler)
@@ -434,7 +438,7 @@ private:
 Http2Handler::Http2Handler(QGrpcOperationContext *operation, QGrpcHttp2ChannelPrivate *parent,
                            bool endStream)
     : QObject(parent), m_operation(operation), m_initialHeaders(constructInitialHeaders()),
-      m_endStreamAtFirstData(endStream)
+      m_endStreamAtFirstData(endStream), m_filterServerMetadata(constructFilterServerMetadata())
 {
     // If the context (lifetime bound to the user) is destroyed, this handler
     // can no longer perform any meaningful work. We allow it to be deleted;
@@ -598,6 +602,13 @@ HPack::HttpHeader Http2Handler::constructInitialHeaders() const
     return headers;
 }
 
+bool Http2Handler::constructFilterServerMetadata() const
+{
+    return m_operation->callOptions()
+        .filterServerMetadata()
+        .value_or(channel()->channelOptions().filterServerMetadata().value_or(true));
+}
+
 QGrpcHttp2ChannelPrivate *Http2Handler::channelPriv() const
 {
     return qobject_cast<QGrpcHttp2ChannelPrivate *>(this->parent());
@@ -815,9 +826,13 @@ void Http2Handler::handleHeaders(const HPack::HttpHeader &headers, HeaderPhase p
             qGrpcWarning("Received unexcpected gRPC-reserved header: { key: %s, value: %s } in "
                          "phase: %s",
                          k.data(), v.data(), QDebug::toBytes(phase).data());
+        } else { // Custom-Metadata
+            metadata.insert(k, v);
+            continue;
         }
 
-        metadata.insert(k, v);
+        if (!m_filterServerMetadata)
+            metadata.insert(k, v);
     }
 
     if (validation.requireHttpStatus && !validation.hasHttpStatus) {
diff --git a/tests/auto/grpc/client/unarycall/tst_grpc_client_unarycall.cpp b/tests/auto/grpc/client/unarycall/tst_grpc_client_unarycall.cpp
index b50af773..c843db47 100644
--- a/tests/auto/grpc/client/unarycall/tst_grpc_client_unarycall.cpp
+++ b/tests/auto/grpc/client/unarycall/tst_grpc_client_unarycall.cpp
@@ -47,6 +47,7 @@ private Q_SLOTS:
 #if QT_DEPRECATED_SINCE(6, 13)
     void deprecatedMetadata();
 #endif
+    void metadata_data();
     void metadata();
 };
 
@@ -171,8 +172,17 @@ void QtGrpcClientUnaryCallTest::deprecatedMetadata()
 
 #endif // QT_DEPRECATED_SINCE(6, 13)
 
+void QtGrpcClientUnaryCallTest::metadata_data()
+{
+    QTest::addColumn<bool>("filterServerMetadata");
+    QTest::addRow("filterServerMetadata(true)") << true;
+    QTest::addRow("filterServerMetadata(false)") << false;
+}
+
 void QtGrpcClientUnaryCallTest::metadata()
 {
+    // TODO: QTBUG-138407
+    QFETCH(const bool, filterServerMetadata);
     QGrpcCallOptions opt;
     QMultiHash<QByteArray, QByteArray> clientMd{
         { "request_initial",  "3"  },
@@ -180,6 +190,7 @@ void QtGrpcClientUnaryCallTest::metadata()
         { "request_sum",      "20" },
         { "request_sum",      "10" }
     };
+    opt.setFilterServerMetadata(filterServerMetadata);
     opt.setMetadata(clientMd);
     auto reply = client()->testMetadata({}, opt);
     QSignalSpy replyFinishedSpy(reply.get(), &QGrpcCallReply::finished);
@@ -191,6 +202,10 @@ void QtGrpcClientUnaryCallTest::metadata()
     QVERIFY(args.first().value<QGrpcStatus>().isOk());
 
     const auto &initialMd = reply->serverInitialMetadata();
+    if (filterServerMetadata)
+        QCOMPARE_EQ(initialMd.size(), 3);
+    else
+        QCOMPARE_GT(initialMd.size(), 3);
     auto initialIt = initialMd.equal_range("response_initial");
     QCOMPARE_EQ(std::distance(initialIt.first, initialIt.second), 3);
     QCOMPARE_EQ(initialIt.first.value(), "2");
@@ -200,6 +215,10 @@ void QtGrpcClientUnaryCallTest::metadata()
     QCOMPARE_EQ(initialIt.first.value(), "0");
 
     const auto &trailingMd = reply->serverTrailingMetadata();
+    if (filterServerMetadata)
+        QCOMPARE_EQ(trailingMd.size(), 3);
+    else
+        QCOMPARE_GT(trailingMd.size(), 3);
     auto trailingIt = trailingMd.equal_range("response_trailing");
     QCOMPARE_EQ(std::distance(trailingIt.first, trailingIt.second), 2);
     QCOMPARE_EQ(trailingIt.first.value(), "1");