diff --git a/DataFormats/Detectors/TRD/include/DataFormatsTRD/CalT0.h b/DataFormats/Detectors/TRD/include/DataFormatsTRD/CalT0.h
index 65f404d7e3498..91f251b14b4d5 100644
--- a/DataFormats/Detectors/TRD/include/DataFormatsTRD/CalT0.h
+++ b/DataFormats/Detectors/TRD/include/DataFormatsTRD/CalT0.h
@@ -45,8 +45,8 @@ class CalT0
     int counts = 0;
     for (int iDet = 0; iDet < constants::MAXCHAMBER; ++iDet) {
       if (mT0[iDet] > -5) {
-	sum += mT0[iDet];
-	++counts;
+        sum += mT0[iDet];
+        ++counts;
       }
     }
 
diff --git a/DataFormats/Detectors/TRD/include/DataFormatsTRD/T0FitHistos.h b/DataFormats/Detectors/TRD/include/DataFormatsTRD/T0FitHistos.h
index 28bf4fd4892fe..eff39bbbac438 100644
--- a/DataFormats/Detectors/TRD/include/DataFormatsTRD/T0FitHistos.h
+++ b/DataFormats/Detectors/TRD/include/DataFormatsTRD/T0FitHistos.h
@@ -30,7 +30,7 @@ namespace trd
 
 class T0FitHistos
 {
-public:
+ public:
   T0FitHistos() = default;
   T0FitHistos(const T0FitHistos&) = default;
   ~T0FitHistos() = default;
@@ -40,12 +40,12 @@ class T0FitHistos
   auto getTimeBin(int index) const { return mTB[index]; }
   auto getADC(int index) const { return mADC[index]; }
   auto getNEntries() const { return mNEntriesTot; }
- 
+
   void fill(const std::vector<o2::trd::PHData> data);
   void merge(const T0FitHistos* prev);
   void print();
- 
-private:
+
+ private:
   std::vector<int> mDet{};
   std::vector<int> mTB{};
   std::vector<int> mADC{};
@@ -54,7 +54,7 @@ class T0FitHistos
 
   ClassDefNV(T0FitHistos, 1);
 };
- 
+
 } // namespace trd
 } // namespace o2
 
diff --git a/Detectors/TRD/calibration/src/T0Fit.cxx b/Detectors/TRD/calibration/src/T0Fit.cxx
index c8628cec2b07d..17030842bd981 100644
--- a/Detectors/TRD/calibration/src/T0Fit.cxx
+++ b/Detectors/TRD/calibration/src/T0Fit.cxx
@@ -61,7 +61,7 @@ double ErfLandauChi2Functor::operator()(const double* par) const
     double funcVal = par[0] * TMath::Erf(x[i]) + par[1] * TMath::Landau(x[i], par[2], par[3]);
 
     sum2 += TMath::Power(y[i] - funcVal, 2) / y[i];
-    //sum2 += TMath::Power((y[i] - funcVal)/yErr[i],2);
+    // sum2 += TMath::Power((y[i] - funcVal)/yErr[i],2);
   }
 
   return sum2;