5 files changed, 6 insertions, 6 deletions
diff --git a/src/backends/reference/CMakeLists.txt b/src/backends/reference/CMakeLists.txt
index 5f698f4e9d..e2656d552e 100644
--- a/src/backends/reference/CMakeLists.txt
+++ b/src/backends/reference/CMakeLists.txt
@@ -23,3 +23,4 @@ add_subdirectory(workloads)
 if(BUILD_UNIT_TESTS)
     add_subdirectory(test)
 endif()
+
diff --git a/src/backends/reference/RefBackend.cpp b/src/backends/reference/RefBackend.cpp
index 34348fa120..3aa4f038c5 100644
--- a/src/backends/reference/RefBackend.cpp
+++ b/src/backends/reference/RefBackend.cpp
@@ -9,8 +9,6 @@
 
 #include <backends/BackendRegistry.hpp>
 
-#include <boost/cast.hpp>
-
 namespace armnn
 {
 
@@ -21,7 +19,7 @@ static StaticRegistryInitializer<BackendRegistry> g_RegisterHelper
 {
     BackendRegistryInstance(),
     RefBackend::GetIdStatic(),
-    []()
+    [](const EmptyInitializer&)
     {
         return IBackendInternalUniquePtr(new RefBackend);
     }
diff --git a/src/backends/reference/RefBackend.hpp b/src/backends/reference/RefBackend.hpp
index 7162c9bf40..1949e77ff5 100644
--- a/src/backends/reference/RefBackend.hpp
+++ b/src/backends/reference/RefBackend.hpp
@@ -12,8 +12,8 @@ namespace armnn
 class RefBackend : public IBackendInternal
 {
 public:
-    RefBackend()  = default;
-    ~RefBackend() = default;
+    RefBackend() = default;
+    ~RefBackend() override = default;
 
     static const BackendId& GetIdStatic();
     const BackendId& GetId() const override { return GetIdStatic(); }
diff --git a/src/backends/reference/RefLayerSupport.cpp b/src/backends/reference/RefLayerSupport.cpp
index 253d9c2294..79d4ab0dd1 100644
--- a/src/backends/reference/RefLayerSupport.cpp
+++ b/src/backends/reference/RefLayerSupport.cpp
@@ -31,7 +31,7 @@ ILayerSupportSharedPtr GetLayerSupportPointer()
 static StaticRegistryInitializer<LayerSupportRegistry> g_RegisterHelper{
     LayerSupportRegistryInstance(),
     RefBackendId(),
-    []()
+    [](const EmptyInitializer&)
     {
         return GetLayerSupportPointer();
     }
diff --git a/src/backends/reference/backend.mk b/src/backends/reference/backend.mk
index 007efceb9b..8a8a78a315 100644
--- a/src/backends/reference/backend.mk
+++ b/src/backends/reference/backend.mk
@@ -71,3 +71,4 @@ BACKEND_TEST_SOURCES := \
         test/RefLayerTests.cpp \
         test/RefOptimizedNetworkTests.cpp \
         test/RefRuntimeTests.cpp
+