diff --git a/core/detectors/mvd/plugins/buffers/CbmMvdSensorFrameBuffer.cxx b/core/detectors/mvd/plugins/buffers/CbmMvdSensorFrameBuffer.cxx
index 57ea91ebc852fd44d67737044b007c51e83461a9..1d96b28ce0adcaa8be44327bc910ee60e606b9db 100644
--- a/core/detectors/mvd/plugins/buffers/CbmMvdSensorFrameBuffer.cxx
+++ b/core/detectors/mvd/plugins/buffers/CbmMvdSensorFrameBuffer.cxx
@@ -187,7 +187,6 @@ void CbmMvdSensorFrameBuffer::ClearFrame(Int_t frameNumber)
   Int_t pointFrameNumber;
   Double_t position[3];
   Int_t pixelX, pixelY;
-  Int_t nPoints;
 
   for (Int_t i = 0; i < fBuffer->GetEntriesFast(); i++) {
 
diff --git a/sim/detectors/mvd/plugins/tasks/CbmMvdSensorDigitizerTask.cxx b/sim/detectors/mvd/plugins/tasks/CbmMvdSensorDigitizerTask.cxx
index adb8d65f87bc872dce18218c126a66c8f18c7115..f3c5838fccc46de3f463b7872814d47aeae6679b 100644
--- a/sim/detectors/mvd/plugins/tasks/CbmMvdSensorDigitizerTask.cxx
+++ b/sim/detectors/mvd/plugins/tasks/CbmMvdSensorDigitizerTask.cxx
@@ -493,7 +493,7 @@ void CbmMvdSensorDigitizerTask::Exec()
 // -------------------------------------------------------------------------
 
 
-Int_t CbmMvdSensorDigitizerTask::GetPixelCharge(CbmMvdPixelCharge* myPixel, Double_t readoutTime)
+Int_t CbmMvdSensorDigitizerTask::GetPixelCharge(CbmMvdPixelCharge* /*myPixel*/, Double_t readoutTime)
 {
 
   /**
@@ -533,7 +533,7 @@ Bool_t CbmMvdSensorDigitizerTask::GetSignalAboveThreshold(CbmMvdPixelCharge* myP
    * Checks if pixel is above threshold.
    **/
 
-  CbmMvdSensor* mySensor;
+//  CbmMvdSensor* mySensor; // not used FU 12.05.23
 
 
   return (GetPixelCharge(myPixel, readoutTime) > fsensorDataSheet->GetAnalogThreshold());