1 files changed, 3 insertions, 4 deletions
diff --git a/src/backends/neon/workloads/NeonNegWorkload.cpp b/src/backends/neon/workloads/NeonNegWorkload.cpp
index afe05583fd..06c146754c 100644
--- a/src/backends/neon/workloads/NeonNegWorkload.cpp
+++ b/src/backends/neon/workloads/NeonNegWorkload.cpp
@@ -9,8 +9,7 @@
 
 #include <aclCommon/ArmComputeTensorHandle.hpp>
 #include <aclCommon/ArmComputeTensorUtils.hpp>
-
-#include <boost/cast.hpp>
+#include <armnn/utility/PolymorphicDowncast.hpp>
 
 namespace armnn
 {
@@ -28,8 +27,8 @@ NeonNegWorkload::NeonNegWorkload(const ElementwiseUnaryQueueDescriptor& descript
 {
     m_Data.ValidateInputsOutputs("NeonNegWorkload", 1, 1);
 
-    arm_compute::ITensor& input  = boost::polymorphic_downcast<IAclTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
-    arm_compute::ITensor& output = boost::polymorphic_downcast<IAclTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+    arm_compute::ITensor& input  = PolymorphicDowncast<IAclTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ITensor& output = PolymorphicDowncast<IAclTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
 
     m_NegLayer.configure(&input, &output);
 }