diff --git a/examples/window-app/nrfconnect/main/WindowCovering.cpp b/examples/window-app/nrfconnect/main/WindowCovering.cpp
index f2d078838a427b..a11104fe2ad89b 100644
--- a/examples/window-app/nrfconnect/main/WindowCovering.cpp
+++ b/examples/window-app/nrfconnect/main/WindowCovering.cpp
@@ -343,4 +343,6 @@ void WindowCovering::DoPostAttributeChange(intptr_t aArg)
     VerifyOrReturn(data != nullptr);
 
     PostAttributeChange(data->mEndpoint, data->mAttributeId);
+
+    chip::Platform::Delete(data);
 }