diff --git a/src/graph2/backends/NEON/NESubTensorHandle.cpp b/src/graph2/backends/NEON/NESubTensorHandle.cpp
index 491cf82..1cd15be 100644
--- a/src/graph2/backends/NEON/NESubTensorHandle.cpp
+++ b/src/graph2/backends/NEON/NESubTensorHandle.cpp
@@ -61,6 +61,11 @@
     // noop
 }
 
+void NESubTensorHandle::release_if_unused()
+{
+    // noop
+}
+
 bool NESubTensorHandle::is_subtensor() const
 {
     return true;