diff --git a/inc/msp/Client.hpp b/inc/msp/Client.hpp
index 9ee5cb4..35e4bc1 100644
--- a/inc/msp/Client.hpp
+++ b/inc/msp/Client.hpp
@@ -149,13 +149,6 @@ class Client {
      */
     void connect(const std::string &device, const size_t baudrate=115200);
 
-    /**
-     * @brief waitForOneMessage block until one message has been received
-     */
-    void waitForOneMessage();
-
-    void waitForOneMessageBlock();
-
     /**
      * @brief start starts the receiver thread that handles incomming messages
      */
@@ -304,8 +297,6 @@ class Client {
         return subscriptions.at(id);
     }
 
-    void processOneMessage();
-
 private:
     /**
      * @brief crc compute checksum of data package
@@ -315,6 +306,15 @@ class Client {
      */
     uint8_t crc(const uint8_t id, const ByteVector &data);
 
+    /**
+     * @brief waitForOneMessage block until one message has been received
+     */
+    void waitForOneMessage();
+
+    void waitForOneMessageBlock();
+
+    void processOneMessage();
+
 private:
     // I/O
     std::unique_ptr<SerialPortImpl> pimpl;