diff --git a/rw_core/flowdecomposition/flow_decomposer_test.go b/rw_core/flowdecomposition/flow_decomposer_test.go
index cc89331..cf05549 100644
--- a/rw_core/flowdecomposition/flow_decomposer_test.go
+++ b/rw_core/flowdecomposition/flow_decomposer_test.go
@@ -401,8 +401,8 @@
 	return ""
 }
 
-func (tfd *testFlowDecomposer) GetLogicalDevice() (*voltha.LogicalDevice, error) {
-	return nil, nil
+func (tfd *testFlowDecomposer) GetLogicalDevice() *voltha.LogicalDevice {
+	return nil
 }
 
 func (tfd *testFlowDecomposer) GetDeviceGraph() *graph.DeviceGraph {