diff --git a/fles/mcbm2018/monitor/CbmMcbm2018MonitorMuch.cxx b/fles/mcbm2018/monitor/CbmMcbm2018MonitorMuch.cxx
index c8af561e68b06c89fe4a29b82182dc71064c5ccb..45fe02bce244e5dd0f7d5e70cf8ec0d8376bdcb3 100644
--- a/fles/mcbm2018/monitor/CbmMcbm2018MonitorMuch.cxx
+++ b/fles/mcbm2018/monitor/CbmMcbm2018MonitorMuch.cxx
@@ -1141,9 +1141,9 @@ Bool_t CbmMcbm2018MonitorMuch::DoUnpack(const fles::Timeslice& ts, size_t compon
       std::vector<Bool_t> vbCopyOnAnyAsicMs(fuNbFebs, kFALSE);
       std::vector<Bool_t> vbCopySameAdcOnAnyAsicMs(fuNbFebs, kFALSE);
       std::vector<Bool_t> vbFlagOnAnyAsicMs(fuNbFebs, kFALSE);
-      Bool_t bCopyOnAnyMs        = kFALSE;
-      Bool_t bCopySameAdcOnAnyMs = kFALSE;
-      Bool_t bFlagOnAnyMs        = kFALSE;
+      //      Bool_t bCopyOnAnyMs        = kFALSE; // not used FU 23.03.23
+      //      Bool_t bCopySameAdcOnAnyMs = kFALSE; // not used FU 23.03.23
+      //      Bool_t bFlagOnAnyMs        = kFALSE; // not used FU 23.03.23
       for (UInt_t uAsic = 0; uAsic < fuNbStsXyters; uAsic++) {
         UInt_t uFebIdx    = uAsic / fUnpackParMuch->GetNbAsicsPerFeb();
         UInt_t uAsicInFeb = uAsic % fUnpackParMuch->GetNbAsicsPerFeb();
@@ -1161,9 +1161,9 @@ Bool_t CbmMcbm2018MonitorMuch::DoUnpack(const fles::Timeslice& ts, size_t compon
         vbCopySameAdcOnAnyAsicMs[uFebIdx] = vbCopySameAdcOnAnyAsicMs[uFebIdx] || bHitCopySameAdcInThisMs[uAsic];
         vbFlagOnAnyAsicMs[uFebIdx]        = vbFlagOnAnyAsicMs[uFebIdx] || bFlagOnInThisMs[uAsic];
 
-        bCopyOnAnyMs |= bHitCopyInThisMs[uAsic];
-        bCopySameAdcOnAnyMs |= bHitCopySameAdcInThisMs[uAsic];
-        bFlagOnAnyMs |= bFlagOnInThisMs[uAsic];
+        //        bCopyOnAnyMs |= bHitCopyInThisMs[uAsic]; // not used FU 23.03.23
+        //        bCopySameAdcOnAnyMs |= bHitCopySameAdcInThisMs[uAsic]; // not used FU 23.03.23
+        //        bFlagOnAnyMs |= bFlagOnInThisMs[uAsic]; // not used FU 23.03.23
       }  // for( UInt_t uAsic = 0; uAsic < fuNbStsXyters; uAsic++)
 
       for (UInt_t uFebIdx = 0; uFebIdx < fuNbFebs; ++uFebIdx) {
diff --git a/reco/detectors/much/CbmMuchFindHitsGem.cxx b/reco/detectors/much/CbmMuchFindHitsGem.cxx
index ccdf47469443162dc1e50ab0788869ebdf3d9639..4f89b5ebf48b6e00a10ed00be0b20dff7cbc0e95 100644
--- a/reco/detectors/much/CbmMuchFindHitsGem.cxx
+++ b/reco/detectors/much/CbmMuchFindHitsGem.cxx
@@ -526,7 +526,8 @@ void CbmMuchFindHitsGem::ExecClusteringPeaks(CbmMuchCluster* cluster, Int_t iClu
 void CbmMuchFindHitsGem::CreateHits(CbmMuchCluster* cluster, Int_t iCluster, CbmEvent* event)
 {
   Int_t nDigis  = cluster->GetNofDigis();
-  Double_t sumq = 0, sumx = 0, sumy = 0, sumt = 0, sumdx2 = 0, sumdy2 = 0, sumdxy2 = 0, sumdt2 = 0;
+  Double_t sumq = 0, sumx = 0, sumy = 0, sumdx2 = 0, sumdy2 = 0, sumdxy2 = 0,
+           sumdt2 = 0;  // , sumt =0 // not used FU 22.03.23
   Double_t q = 0, x = 0, y = 0, t = 0, z = 0, dx = 0, dy = 0, dxy = 0, dt = 0;
   Double_t nX = 0, nY = 0, nZ = 0;
   Int_t address            = 0;
@@ -588,7 +589,7 @@ void CbmMuchFindHitsGem::CreateHits(CbmMuchCluster* cluster, Int_t iCluster, Cbm
     sumq += q;
     sumx += q * x;
     sumy += q * y;
-    sumt += q * t;
+    // sumt += q * t; // not used FU 22.03.23
     sumdx2 += q * q * dx * dx;
     sumdy2 += q * q * dy * dy;
     sumdxy2 += q * q * dxy * dxy;
diff --git a/sim/detectors/much/qa/CbmMuchDigitizerQa.cxx b/sim/detectors/much/qa/CbmMuchDigitizerQa.cxx
index 930781f1a28dd83f860ed1d976b4facc2835533e..a4f638417828b3f4825f3a73bbe0cf8eec9a502a 100644
--- a/sim/detectors/much/qa/CbmMuchDigitizerQa.cxx
+++ b/sim/detectors/much/qa/CbmMuchDigitizerQa.cxx
@@ -248,7 +248,7 @@ int CbmMuchDigitizerQa::InitChannelPadInfo()
     printf("---------------------------------------------------------\n");
   }
 
-  Int_t nTotSectors  = 0;
+  //  Int_t nTotSectors  = 0; // not used FU 23.03.23
   Int_t nTotChannels = 0;
   for (Int_t iStation = 0; iStation < fNstations; iStation++) {
     Int_t nChannels                = 0;
@@ -293,7 +293,7 @@ int CbmMuchDigitizerQa::InitChannelPadInfo()
     if (fPadMinLy > padMinLy) fPadMinLy = padMinLy;
     if (fPadMaxLx < padMaxLx) fPadMaxLx = padMaxLx;
     if (fPadMaxLy < padMaxLy) fPadMaxLy = padMaxLy;
-    nTotSectors += nSectors;
+    //  nTotSectors += nSectors; // not used FU 23.03.23
     nTotChannels += nChannels;
 
     if (fVerbose > 2) {