diff --git a/analysis/common/analysis_tree_converter/CbmFsdModulesConverter.cxx b/analysis/common/analysis_tree_converter/CbmFsdModulesConverter.cxx
index 1609967b0e02334b5957a2bd52210f11d5847a8a..c9cf20a75941b44092e8e883a0d3f3b0a8ee3b19 100644
--- a/analysis/common/analysis_tree_converter/CbmFsdModulesConverter.cxx
+++ b/analysis/common/analysis_tree_converter/CbmFsdModulesConverter.cxx
@@ -46,7 +46,7 @@ void CbmFsdModulesConverter::ProcessData(CbmEvent* event)
 
   fsd_modules_->Reserve(n_fsd_modules);
   for (int i = 0; i < n_fsd_modules; ++i) {
-    auto& module = fsd_modules_->AddChannel(branch);
+    fsd_modules_->AddChannel(branch);
   }
 
   const int nFsdHits = event ? event->GetNofData(ECbmDataType::kFsdHit) : cbm_fsd_hits_->GetEntriesFast();
diff --git a/analysis/common/analysis_tree_converter/CbmPsdModulesConverter.cxx b/analysis/common/analysis_tree_converter/CbmPsdModulesConverter.cxx
index ab482f28c0485177848535f89b78dd248006c7b2..de8fd147f090326d3c75e3d346b802a01180ee1b 100644
--- a/analysis/common/analysis_tree_converter/CbmPsdModulesConverter.cxx
+++ b/analysis/common/analysis_tree_converter/CbmPsdModulesConverter.cxx
@@ -46,7 +46,7 @@ void CbmPsdModulesConverter::ProcessData(CbmEvent* event)
 
   psd_modules_->Reserve(n_psd_modules);
   for (int i = 0; i < n_psd_modules; ++i) {
-    auto& module = psd_modules_->AddChannel(branch);
+    psd_modules_->AddChannel(branch);
   }
 
   const int nPsdHits = event ? event->GetNofData(ECbmDataType::kPsdHit) : cbm_psd_hits_->GetEntriesFast();
diff --git a/analysis/common/analysis_tree_converter/steer/TaskFactory.h b/analysis/common/analysis_tree_converter/steer/TaskFactory.h
index 5674a5d737cb3596b3f9289e63e3f0c7c477f385..7f1df452746ad8f482c1c932e8aeea65d57c5d2f 100644
--- a/analysis/common/analysis_tree_converter/steer/TaskFactory.h
+++ b/analysis/common/analysis_tree_converter/steer/TaskFactory.h
@@ -43,7 +43,7 @@ namespace cbm::atconverter
 
    private:  //members
     Run* fRun        = nullptr;
-    bool hitMatching = false;
+    __attribute__((unused)) bool hitMatching = false;
   };
 
 }  // namespace cbm::atconverter