diff --git a/src/discrete_threshold.cpp b/src/discrete_threshold.cpp
index ba915b1..2acb2bf 100644
--- a/src/discrete_threshold.cpp
+++ b/src/discrete_threshold.cpp
@@ -26,18 +26,18 @@
 
 void DiscreteThreshold::initialize()
 {
-    ThresholdOperations().initialize(this);
+    ThresholdOperations::initialize(this);
 }
 
 void DiscreteThreshold::updateSensors(Sensors newSensors)
 {
-    ThresholdOperations().updateSensors(this, std::move(newSensors));
+    ThresholdOperations::updateSensors(this, std::move(newSensors));
 }
 
 DiscreteThreshold::ThresholdDetail&
     DiscreteThreshold::getDetails(const interfaces::Sensor& sensor)
 {
-    return ThresholdOperations().getDetails(this, sensor);
+    return ThresholdOperations::getDetails(this, sensor);
 }
 
 std::shared_ptr<DiscreteThreshold::ThresholdDetail>
diff --git a/src/discrete_threshold.hpp b/src/discrete_threshold.hpp
index a471027..48510de 100644
--- a/src/discrete_threshold.hpp
+++ b/src/discrete_threshold.hpp
@@ -60,6 +60,8 @@
             sensorName(name),
             dwell(dwell), timer(ioc)
         {}
+        ThresholdDetail(const ThresholdDetail&) = delete;
+        ThresholdDetail(ThresholdDetail&&) = delete;
     };
     using SensorDetails =
         std::unordered_map<std::shared_ptr<interfaces::Sensor>,
diff --git a/src/numeric_threshold.cpp b/src/numeric_threshold.cpp
index 9bda509..24683a2 100644
--- a/src/numeric_threshold.cpp
+++ b/src/numeric_threshold.cpp
@@ -22,18 +22,18 @@
 
 void NumericThreshold::initialize()
 {
-    ThresholdOperations().initialize(this);
+    ThresholdOperations::initialize(this);
 }
 
 void NumericThreshold::updateSensors(Sensors newSensors)
 {
-    ThresholdOperations().updateSensors(this, std::move(newSensors));
+    ThresholdOperations::updateSensors(this, std::move(newSensors));
 }
 
 NumericThreshold::ThresholdDetail&
     NumericThreshold::getDetails(const interfaces::Sensor& sensor)
 {
-    return ThresholdOperations().getDetails(this, sensor);
+    return ThresholdOperations::getDetails(this, sensor);
 }
 
 std::shared_ptr<NumericThreshold::ThresholdDetail>
diff --git a/src/numeric_threshold.hpp b/src/numeric_threshold.hpp
index d70729a..4e47721 100644
--- a/src/numeric_threshold.hpp
+++ b/src/numeric_threshold.hpp
@@ -29,8 +29,8 @@
         Milliseconds dwellTime, numeric::Direction direction,
         double thresholdValue, numeric::Type type,
         std::unique_ptr<interfaces::Clock> clock);
-    ~NumericThreshold()
-    {}
+    NumericThreshold(const NumericThreshold&) = delete;
+    NumericThreshold(NumericThreshold&&) = delete;
 
     void initialize() override;
     void sensorUpdated(interfaces::Sensor&, Milliseconds, double) override;
@@ -60,6 +60,8 @@
             sensorName(name),
             prevValue(prevValue), dwell(dwell), timer(ioc)
         {}
+        ThresholdDetail(const ThresholdDetail&) = delete;
+        ThresholdDetail(ThresholdDetail&&) = delete;
     };
     using SensorDetails =
         std::unordered_map<std::shared_ptr<interfaces::Sensor>,
diff --git a/src/on_change_threshold.hpp b/src/on_change_threshold.hpp
index a19a86f..91a595f 100644
--- a/src/on_change_threshold.hpp
+++ b/src/on_change_threshold.hpp
@@ -23,8 +23,8 @@
         const std::string& triggerId, Sensors sensors,
         std::vector<std::unique_ptr<interfaces::TriggerAction>> actions,
         std::unique_ptr<interfaces::Clock> clock);
-    ~OnChangeThreshold()
-    {}
+    OnChangeThreshold(const OnChangeThreshold&) = delete;
+    OnChangeThreshold(OnChangeThreshold&&) = delete;
 
     void initialize() override;
     void sensorUpdated(interfaces::Sensor&, Milliseconds, double) override;
diff --git a/src/utils/threshold_operations.hpp b/src/utils/threshold_operations.hpp
index 04b0195..99ae4a5 100644
--- a/src/utils/threshold_operations.hpp
+++ b/src/utils/threshold_operations.hpp
@@ -7,7 +7,7 @@
 struct ThresholdOperations
 {
     template <typename ThresholdType>
-    void initialize(ThresholdType* thresholdPtr)
+    static void initialize(ThresholdType* thresholdPtr)
     {
         for ([[maybe_unused]] auto& [sensor, detail] :
              thresholdPtr->sensorDetails)
@@ -18,7 +18,7 @@
     }
 
     template <typename ThresholdType>
-    typename ThresholdType::ThresholdDetail&
+    static typename ThresholdType::ThresholdDetail&
         getDetails(ThresholdType* thresholdPtr,
                    const interfaces::Sensor& sensor)
     {
@@ -30,7 +30,7 @@
     }
 
     template <typename ThresholdType>
-    void updateSensors(ThresholdType* thresholdPtr, Sensors newSensors)
+    static void updateSensors(ThresholdType* thresholdPtr, Sensors newSensors)
     {
         typename ThresholdType::SensorDetails newSensorDetails;
         typename ThresholdType::SensorDetails oldSensorDetails =