diff --git a/delegate/src/Normalization.hpp b/delegate/src/Normalization.hpp
index 7a73e61..4c18b36 100644
--- a/delegate/src/Normalization.hpp
+++ b/delegate/src/Normalization.hpp
@@ -5,6 +5,8 @@
 
 #pragma once
 
+#include <armnn/utility/IgnoreUnused.hpp>
+
 #include <tensorflow/lite/builtin_ops.h>
 #include <tensorflow/lite/c/builtin_op_data.h>
 #include <tensorflow/lite/c/common.h>
@@ -19,6 +21,12 @@
                                         int nodeIndex,
                                         int32_t normalizationOperatorCode)
 {
+    armnn::IgnoreUnused(delegateData,
+                        tfLiteContext,
+                        tfLiteNode,
+                        nodeIndex,
+                        normalizationOperatorCode);
+
     return kTfLiteError;
 }