diff --git a/doc/version-history.rst b/doc/version-history.rst
index 9664264..23c3c91 100644
--- a/doc/version-history.rst
+++ b/doc/version-history.rst
@@ -4,7 +4,7 @@ Version History
 
 v1.12.0
 -------
-* simplified MPU commonication
+* simplified MPU communication
 
 v1.11.1
 -------
diff --git a/include/cRIO/MPUTelemetry.h b/include/cRIO/MPUTelemetry.h
index 5373287..87c415d 100644
--- a/include/cRIO/MPUTelemetry.h
+++ b/include/cRIO/MPUTelemetry.h
@@ -38,41 +38,12 @@ class MPUTelemetry {
      *
      * @param data[45] data as received from FPGA
      */
-    MPUTelemetry(uint8_t* data);
-    uint32_t writeBytes;    /// Number of bytes written
-    uint32_t readBytes;     /// Number of bytes read
-    uint16_t readTimedout;  /// read timedout counter
+    MPUTelemetry(const uint8_t* data);
 
-    friend std::ostream& operator<<(std::ostream& os, const MPUTelemetry& tel);
+    uint64_t writeBytes;  /// Number of bytes written
+    uint64_t readBytes;   /// Number of bytes read
 
-    /**
-     * Updates MPU telemetry SAL message structure.
-     *
-     * @tparam message class with telemetry filed. Shall be SAL declared class
-     * @param msg message to check and update
-     *
-     * @return true if message shall be send, false if updates are minor and it should not be send
-     */
-    template <class message>
-    bool sendUpdates(message* msg) {
-        return false;
-
-        /**
-    if (msg->readBytes != readBytes || msg->writeTimedout != writeTimedout ||
-        msg->instructionPointerOnError != instructionPointerOnError || msg->errorCode != errorCode) {
-        send = true;
-    }
-    msg->instructionPointer = instructionPointer;
-    msg->outputCounter = outputCounter;
-    msg->inputCounter = inputCounter;
-    msg->outputTimeouts = outputTimeouts;
-    msg->inputTimeouts = inputTimeouts;
-    msg->instructionPointerOnError = instructionPointerOnError;
-    msg->writeTimeout = writeTimeout;
-    msg->readTimeout = readTimeout;
-    msg->errorCode = errorCode;
-    return send; */
-    }
+    friend std::ostream& operator<<(std::ostream& os, const MPUTelemetry& tel);
 };
 
 }  // namespace cRIO
diff --git a/src/LSST/cRIO/MPUTelemetry.cpp b/src/LSST/cRIO/MPUTelemetry.cpp
index 0cbd4fc..8f21343 100644
--- a/src/LSST/cRIO/MPUTelemetry.cpp
+++ b/src/LSST/cRIO/MPUTelemetry.cpp
@@ -31,16 +31,14 @@
 namespace LSST {
 namespace cRIO {
 
-MPUTelemetry::MPUTelemetry(uint8_t *data) {
-    writeBytes = be32toh(*(reinterpret_cast<uint32_t *>(data + 0)));
-    readBytes = be32toh(*(reinterpret_cast<uint32_t *>(data + 4)));
-    readTimedout = be16toh(*(reinterpret_cast<uint16_t *>(data + 8)));
+MPUTelemetry::MPUTelemetry(const uint8_t *data) {
+    writeBytes = be64toh(*(reinterpret_cast<const uint64_t *>(data + 0)));
+    readBytes = be64toh(*(reinterpret_cast<const uint64_t *>(data + 8)));
 }
 
 std::ostream &operator<<(std::ostream &os, const MPUTelemetry &tel) {
     os << std::setw(20) << "Write bytes: " << tel.writeBytes << std::endl
-       << std::setw(20) << "Read bytes: " << tel.readBytes << std::endl
-       << std::setw(20) << "Read timedout: " << tel.readTimedout << std::endl;
+       << std::setw(20) << "Read bytes: " << tel.readBytes << std::endl;
     return os;
 }
 
diff --git a/tests/test_MPUTelemetry.cpp b/tests/test_MPUTelemetry.cpp
index 5d29c2f..b6e4348 100644
--- a/tests/test_MPUTelemetry.cpp
+++ b/tests/test_MPUTelemetry.cpp
@@ -29,31 +29,13 @@
 using namespace LSST::cRIO;
 
 uint8_t data[16] = {
-        0x01, 0x02, 0x03, 0x04,  // write bytes
-        0x05, 0x06, 0x07, 0x08,  // read HW bytes
+        0x01, 0x02, 0x03, 0x04, 0x10, 0x20, 0x30, 0x40,  // write bytes
+        0x05, 0x06, 0x07, 0x08, 0x50, 0x60, 0x70, 0x80   // read HW bytes
 };
 
 TEST_CASE("Test MPU telemetry class", "[MPUTelemetry]") {
     MPUTelemetry mpuTel(data);
 
-    REQUIRE(mpuTel.writeBytes == 0x01020304);
-}
-
-struct testMsg_t {
-    uint32_t writeBytes;  // Written bytes
-};
-
-TEST_CASE("Test MPU sending", "[MPUTelemetry]") {
-    MPUTelemetry mpuTel(data);
-
-    struct testMsg_t testMsg;
-    memset(&testMsg, '0', sizeof(testMsg));
-
-    // TODO add test once telemetry will be again reporetd through SAL
-
-    // REQUIRE(mpuTel.sendUpdates(&testMsg) == true);
-    // REQUIRE(mpuTel.sendUpdates(&testMsg) == false);
-
-    // REQUIRE(mpuTel.sendUpdates(&testMsg) == true);
-    // REQUIRE(mpuTel.sendUpdates(&testMsg) == false);
+    CHECK(mpuTel.writeBytes == 0x0102030410203040);
+    CHECK(mpuTel.readBytes == 0x0506070850607080);
 }