diff --git a/device/selections/Hlt1/include/GatherSelections.cuh b/device/selections/Hlt1/include/GatherSelections.cuh
index 78e41d460dd5c3f7bbd508fdf08ffe87e54ad1b3..489fd64ee9eccb3bd8b803281e1314e245d1e8b2 100644
--- a/device/selections/Hlt1/include/GatherSelections.cuh
+++ b/device/selections/Hlt1/include/GatherSelections.cuh
@@ -86,17 +86,14 @@ namespace gather_selections {
 
     void monitor_operator(const ArgumentReferences<Parameters>& arguments, gsl::span<bool>) const;
 
-    void monitor_postscaled_operator(
-      const ArgumentReferences<Parameters>& arguments,
-      const Constants& constants,
-      gsl::span<bool>) const;
+    void monitor_postscaled_operator(const ArgumentReferences<Parameters>& arguments, const Constants&, gsl::span<bool>)
+      const;
 
   private:
     mutable std::vector<std::unique_ptr<Gaudi::Accumulators::Counter<>>> m_pass_counters;
     mutable std::vector<std::unique_ptr<Gaudi::Accumulators::Counter<>>> m_rate_counters;
     void* histogram_line_passes;
     void* histogram_line_rates;
-    std::vector<void*> histograms_rates_vs_time;
 #endif
   };
 } // namespace gather_selections
diff --git a/device/selections/Hlt1/src/GatherSelections.cpp b/device/selections/Hlt1/src/GatherSelections.cpp
index 4254016bfd95e8c78556225d1f6c9079b536cc1b..3fc41161905ec520a64cb0855cea39840ddd2b27 100644
--- a/device/selections/Hlt1/src/GatherSelections.cpp
+++ b/device/selections/Hlt1/src/GatherSelections.cpp
@@ -27,11 +27,8 @@ void gather_selections::gather_selections_t::init_monitor()
   while (std::getline(is, line_name, ',')) {
     const std::string pass_counter_name {line_name + "Pass"};
     const std::string rate_counter_name {line_name + "Rate"};
-    const std::string rate_hist_name {line_name + "RateVsTime"};
     m_pass_counters.push_back(std::make_unique<Gaudi::Accumulators::Counter<>>(this, pass_counter_name));
     m_rate_counters.push_back(std::make_unique<Gaudi::Accumulators::Counter<>>(this, rate_counter_name));
-    histograms_rates_vs_time.emplace_back((void*) new gaudi_histo_t<1>(
-      this, rate_hist_name, rate_hist_name, Gaudi::Accumulators::Axis<float> {100, 0, 1000.}));
     line_labels.push_back(line_name);
   }
   unsigned int n_lines = line_labels.size();
@@ -65,25 +62,18 @@ void gather_selections::gather_selections_t::monitor_operator(
 
 void gather_selections::gather_selections_t::monitor_postscaled_operator(
   const ArgumentReferences<Parameters>& arguments,
-  const Constants& constants,
+  const Constants&,
   gsl::span<bool> postscaled_decisions) const
 {
   auto* histogram_line_rates_p = reinterpret_cast<gaudi_histo_t<1>*>(histogram_line_rates);
   auto hist_buf = histogram_line_rates_p->buffer();
-  auto time_bin = (std::chrono::duration_cast<std::chrono::duration<float>>(
-                     std::chrono::high_resolution_clock::now() - constants.histogram_time_epoch))
-                    .count() /
-                  10.f;
   // Fill postscaled counters and histograms
   for (auto j = 0u; j < first<host_number_of_active_lines_t>(arguments); ++j) {
     auto buf = m_rate_counters[j]->buffer();
-    auto* histograms_rates_vs_time_p = reinterpret_cast<gaudi_histo_t<1>*>(histograms_rates_vs_time[j]);
-    auto buf_time = histograms_rates_vs_time_p->buffer();
     for (auto i = 0u; i < first<host_number_of_events_t>(arguments); ++i) {
       if (postscaled_decisions[i * first<host_number_of_active_lines_t>(arguments) + j]) {
         ++buf;
         ++hist_buf[j];
-        ++buf_time[time_bin];
       }
     }
   }
diff --git a/stream/sequence/include/Constants.cuh b/stream/sequence/include/Constants.cuh
index 263f71c9ac453f4a40b623497f72c8d249a7217c..e4e30e5fd9a556244f49cad44ed51f66b7795acd 100644
--- a/stream/sequence/include/Constants.cuh
+++ b/stream/sequence/include/Constants.cuh
@@ -124,9 +124,6 @@ struct Constants {
   // Kalman filter
   ParKalmanFilter::KalmanParametrizations* dev_kalman_params = nullptr;
 
-  // Monitoring
-  std::chrono::high_resolution_clock::time_point histogram_time_epoch;
-
   /**
    * @brief Reserves and initializes constants.
    */
@@ -172,6 +169,4 @@ struct Constants {
     const std::vector<float>& monotone_constraints,
     float nominal_cut,
     float lambda);
-
-  void initialize_histogram_time_epoch() { histogram_time_epoch = std::chrono::high_resolution_clock::now(); }
 };
diff --git a/stream/sequence/src/Constants.cpp b/stream/sequence/src/Constants.cpp
index fcf374385473c27968ea53f894e0d66d628a9359..7ab015cca9f941c8a5dbfd47990f3aaff14e6732 100644
--- a/stream/sequence/src/Constants.cpp
+++ b/stream/sequence/src/Constants.cpp
@@ -74,8 +74,6 @@ void Constants::initialize_constants(
     &host_muonmatch_search_windows,
     sizeof(MatchUpstreamMuon::SearchWindows),
     Allen::memcpyHostToDevice);
-
-  initialize_histogram_time_epoch();
 }
 
 void Constants::initialize_muon_catboost_model_constants(