diff --git a/runtime/command_stream/aub_command_stream_receiver_hw.h b/runtime/command_stream/aub_command_stream_receiver_hw.h
index 3f5745981b..98e09445bd 100644
--- a/runtime/command_stream/aub_command_stream_receiver_hw.h
+++ b/runtime/command_stream/aub_command_stream_receiver_hw.h
@@ -105,8 +105,8 @@ class AUBCommandStreamReceiverHw : public CommandStreamReceiverSimulatedHw<GfxFa
         uint32_t ggttRingBuffer;
         size_t sizeRingBuffer;
         uint32_t tailRingBuffer;
-    } engineInfoTable[allEngineInstances.size()] = {};
-    size_t gpgpuEngineIndex = gpgpuEngineInstances.size() - 1;
+    } engineInfoTable[EngineInstanceT::numAllEngineInstances] = {};
+    size_t gpgpuEngineIndex = EngineInstanceT::numGpgpuEngineInstances - 1;
 
     std::unique_ptr<AubSubCaptureManager> subCaptureManager;
     uint32_t aubDeviceId;
diff --git a/runtime/command_stream/definitions/engine_node.h b/runtime/command_stream/definitions/engine_node.h
index 5f590179bb..6f0695f79d 100644
--- a/runtime/command_stream/definitions/engine_node.h
+++ b/runtime/command_stream/definitions/engine_node.h
@@ -20,6 +20,9 @@ enum EngineType : uint32_t {
 };
 
 struct EngineInstanceT {
+    static const size_t numAllEngineInstances = 5;
+    static const size_t numGpgpuEngineInstances = 2;
+
     constexpr EngineInstanceT(EngineType type) : type(type), id(0) {}
     constexpr EngineInstanceT(EngineType type, int id) : type(type), id(id) {}
 
@@ -27,7 +30,7 @@ struct EngineInstanceT {
     int id;
 };
 
-static constexpr std::array<EngineInstanceT, 5> allEngineInstances = {{
+static constexpr std::array<EngineInstanceT, EngineInstanceT::numAllEngineInstances> allEngineInstances = {{
     {ENGINE_RCS, 0},
     {ENGINE_RCS, 1},
     {ENGINE_BCS},
@@ -35,7 +38,7 @@ static constexpr std::array<EngineInstanceT, 5> allEngineInstances = {{
     {ENGINE_VECS},
 }};
 
-static constexpr std::array<EngineInstanceT, 2> gpgpuEngineInstances = {{
+static constexpr std::array<EngineInstanceT, EngineInstanceT::numGpgpuEngineInstances> gpgpuEngineInstances = {{
     {ENGINE_RCS, 0},
     {ENGINE_RCS, 1},
 }};
diff --git a/runtime/device/device.h b/runtime/device/device.h
index 15c8f743e1..aef4ed8056 100644
--- a/runtime/device/device.h
+++ b/runtime/device/device.h
@@ -152,7 +152,7 @@ class Device : public BaseObject<_cl_device_id> {
     std::unique_ptr<DriverInfo> driverInfo;
     std::unique_ptr<PerformanceCounters> performanceCounters;
 
-    std::array<EngineControl, gpgpuEngineInstances.size()> engines = {{}};
+    std::array<EngineControl, EngineInstanceT::numGpgpuEngineInstances> engines = {{}};
 
     void *slmWindowStartAddress = nullptr;
 
diff --git a/runtime/execution_environment/execution_environment.h b/runtime/execution_environment/execution_environment.h
index d1ec8634c4..896d868882 100644
--- a/runtime/execution_environment/execution_environment.h
+++ b/runtime/execution_environment/execution_environment.h
@@ -24,7 +24,7 @@ class BuiltIns;
 struct HardwareInfo;
 class OSInterface;
 
-using CsrContainer = std::array<std::unique_ptr<CommandStreamReceiver>, gpgpuEngineInstances.size()>;
+using CsrContainer = std::array<std::unique_ptr<CommandStreamReceiver>, EngineInstanceT::numGpgpuEngineInstances>;
 
 class ExecutionEnvironment : public ReferenceTrackedObject<ExecutionEnvironment> {
   private: