diff --git a/src/OutputFile.h b/src/OutputFile.h
index ed35f5ddbd212134730ceff460d441c12106c0f9..2a0614bf0b1c2d4f3d747b3898cea2e1149edf75 100644
--- a/src/OutputFile.h
+++ b/src/OutputFile.h
@@ -22,18 +22,6 @@ namespace fs = std::filesystem;
 
 class OutputFile {
  public:
-  //  OutputFile(FILE* filePtr, std::string fileName, FRDFileHeader_v2 fileHeader, uint32_t
-  //  lumisection,
-  //             uint32_t index, std::string rundir)
-  //      : filePtr_(filePtr),
-  //        fileName_(fileName),
-  //        fileHeader_(fileHeader),
-  //        lumisection_(lumisection),
-  //        index_(index),
-  //        rundir_(rundir) {}
-
-  // OutputFile() : filePtr_(NULL), fileName_(""), fileHeader_(0, 0, 0, 0, 0, 0) {}
-
   OutputFile(std::string_view filepath, std::string_view filename, std::string_view run_dir,
              FRDFileHeader_v2 header, uint32_t num_lumisection, uint32_t file_index)
       : filepath_(filepath),
@@ -43,18 +31,14 @@ class OutputFile {
         lumisection_(num_lumisection),
         index_(file_index) {
     try {
-      LOG(FATAL) << "Attempting open file: '" << filepath_ << "'";
       file_.open(filepath_, std::ios_base::out | std::ios_base::binary);
-      if (!file_.is_open()) {
-        LOG(FATAL) << "Could not open file: '" << filepath_ << "'";
-      }
-    } catch (std::exception& e) {
-      LOG(FATAL) << "Could not open file: '" << filepath_ << "', exception: " << e.what();
+    } catch (const fstream::failure& e) {
+      LOG(FATAL) << "Exception opening file" << filepath_ << "', exception: " << e.what();
     }
   }
 
-  OutputFile(const OutputFile&) = delete;             // Delete copy constructor
-  OutputFile& operator=(const OutputFile&) = delete;  // Delete copy assignment operator
+  OutputFile(const OutputFile&) = delete;
+  OutputFile& operator=(const OutputFile&) = delete;
 
   OutputFile(OutputFile&& other) noexcept
       : filepath_(std::move(other.filepath_)),
@@ -94,15 +78,13 @@ class OutputFile {
     file_.seekp(pos, std::ios::beg);  // Move write position
   }
 
-  bool exists() { return file_.is_open(); }
-
   std::string GetFullPath() const { return filepath_; }
 
   void Rename(const std::string& new_path) {
     fs::path from = GetFullPath();
     fs::path to = new_path;
 
-    LOG(FATAL) << "Renaming from '" << from << "' to '" << to << "' now.";
+    LOG(TRACE) << "Renaming from '" << from << "' to '" << to << "' now.";
 
     try {
       fs::rename(from, to);
diff --git a/src/OutputFileHandler.cc b/src/OutputFileHandler.cc
index 8e4ec47057c87fdabc514590036c0f6465e90deb..9474130652518a87acbeef94c6fa296bcd087f92 100644
--- a/src/OutputFileHandler.cc
+++ b/src/OutputFileHandler.cc
@@ -19,11 +19,6 @@ tbb::concurrent_bounded_queue<std::shared_ptr<OutputFile>> OutputFileHandler::fi
 std::atomic<bool> OutputFileHandler::file_handler_running_{true};
 
 void OutputFileHandler::enqueue_current_file_for_close_and_move_maybe() {
-  LOG(FATAL) << "____ Enqueue called.";
-  LOG(FATAL) << "____ Is outputFile? " << (outputFile_ != nullptr);
-
-  if (outputFile_) LOG(FATAL) << "____ Does outputFile exist()? " << (outputFile_->exists());
-
   if (outputFile_ && outputFile_->exists()) {
     LOG(TRACE) << "queueing file: " << outputFile_->getFileName() << " for closing, queue size now "
                << files_to_close_.size();
@@ -64,10 +59,10 @@ std::shared_ptr<OutputFile>& OutputFileHandler::getFile(uint32_t run, uint32_t i
     enqueue_current_file_for_close_and_move_maybe();
     if (is_new_run) {
       run_NOrbits_ = 0;
-      LOG(FATAL) << "Previous run: " << current_run_number_ << " | New run: " << run;
+      LOG(TRACE) << "Previous run: " << current_run_number_ << " | New run: " << run;
     }
     if (is_new_index) {
-      LOG(FATAL) << "Previous index: " << current_index_ << " | New index: " << index;
+      LOG(TRACE) << "Previous index: " << current_index_ << " | New index: " << index;
     }
 
     current_index_ = static_cast<int>(index);
@@ -182,11 +177,6 @@ void OutputFileHandler::close_and_rename::operator()() const {
 
     std::string permanent_path(outputFile->getRunDir() + "/" + outputFile->getFileName());
     outputFile->Rename(permanent_path);
-    //    std::string from = outputFile->getRunDir() + "/" + working_dir_ + "/" +
-    //    outputFile.getFileName(); std::string to = outputFile->getRunDir() + "/" +
-    //    outputFile.getFileName(); if (rename(from.c_str(), to.c_str()) != 0) {
-    //      LOG(ERROR) << tools::strerror("File rename of " + outputFile.getFileName() + " failed");
-    //    }
 
     if (outputFile->Index() == outputfilehandler_->max_index_per_ls_ &&
         outputfilehandler_->getCMSSWHeaders()) {  // end of lumisection