diff --git a/src/grpc/qgrpcoperation.cpp b/src/grpc/qgrpcoperation.cpp
index 8f443733..51a663d5 100644
--- a/src/grpc/qgrpcoperation.cpp
+++ b/src/grpc/qgrpcoperation.cpp
@@ -104,7 +104,7 @@ QGrpcOperation::~QGrpcOperation() = default;
     \internal
     Getter of the data received from the channel.
 */
-QByteArray QGrpcOperation::data() const
+QByteArray QGrpcOperation::data() const noexcept
 {
     return d_func()->data;
 }
@@ -136,7 +136,7 @@ void QGrpcOperation::read(QProtobufMessage *message) const
     Getter of the metadata received from the channel. For the HTTP2 channels it
     usually contains the HTTP headers received from the server.
 */
-QGrpcMetadata QGrpcOperation::metadata() const
+QGrpcMetadata QGrpcOperation::metadata() const noexcept
 {
     return d_func()->channelOperation->serverMetadata();
 }
@@ -144,7 +144,7 @@ QGrpcMetadata QGrpcOperation::metadata() const
 /*!
     Getter of the method that this operation was intialized with.
 */
-QLatin1StringView QGrpcOperation::method() const
+QLatin1StringView QGrpcOperation::method() const noexcept
 {
     return d_func()->channelOperation->method();
 }
@@ -153,7 +153,7 @@ QLatin1StringView QGrpcOperation::method() const
     \internal
     Returns a pointer to the assigned channel-side QGrpcChannelOperation.
 */
-const QGrpcChannelOperation *QGrpcOperation::channelOperation() const
+const QGrpcChannelOperation *QGrpcOperation::channelOperation() const noexcept
 {
     return d_func()->channelOperation.get();
 }
@@ -162,7 +162,7 @@ const QGrpcChannelOperation *QGrpcOperation::channelOperation() const
     \internal
     Getter of the serializer that QGrpcOperation was constructed with.
 */
-std::shared_ptr<const QAbstractProtobufSerializer> QGrpcOperation::serializer() const
+std::shared_ptr<const QAbstractProtobufSerializer> QGrpcOperation::serializer() const noexcept
 {
     return d_func()->channelOperation->serializer();
 }
@@ -185,7 +185,7 @@ void QGrpcOperation::cancel()
     Returns true when QGrpcOperation finished its workflow,
     meaning it was finished, canceled, or error occurred, otherwise returns false.
 */
-bool QGrpcOperation::isFinished() const
+bool QGrpcOperation::isFinished() const noexcept
 {
     return d_func()->isFinished.loadRelaxed();
 }
diff --git a/src/grpc/qgrpcoperation.h b/src/grpc/qgrpcoperation.h
index 0ffbf4eb..d9cc9f66 100644
--- a/src/grpc/qgrpcoperation.h
+++ b/src/grpc/qgrpcoperation.h
@@ -36,11 +36,11 @@ public:
 
     void read(QProtobufMessage *message) const;
 
-    QGrpcMetadata metadata() const;
-    QLatin1StringView method() const;
+    [[nodiscard]] QGrpcMetadata metadata() const noexcept;
+    [[nodiscard]] QLatin1StringView method() const noexcept;
 
     void cancel();
-    bool isFinished() const;
+    [[nodiscard]] bool isFinished() const noexcept;
 
 Q_SIGNALS:
     void finished();
@@ -49,14 +49,14 @@ Q_SIGNALS:
 protected:
     explicit QGrpcOperation(std::shared_ptr<QGrpcChannelOperation> channelOperation);
 
-    const QGrpcChannelOperation *channelOperation() const;
-    std::shared_ptr<const QAbstractProtobufSerializer> serializer() const;
+    [[nodiscard]] const QGrpcChannelOperation *channelOperation() const noexcept;
+    [[nodiscard]] std::shared_ptr<const QAbstractProtobufSerializer> serializer() const noexcept;
 
 private:
     Q_DISABLE_COPY_MOVE(QGrpcOperation)
 
-    QByteArray data() const;
-    QGrpcStatus deserializationError() const;
+    [[nodiscard]] QByteArray data() const noexcept;
+    [[nodiscard]] QGrpcStatus deserializationError() const;
 
     Q_DECLARE_PRIVATE(QGrpcOperation)
 };