diff --git a/examples/power/conf/model/art/initialize/default.yaml b/examples/power/conf/model/art/initialize/default.yaml
index becd0f9a..b694473b 100644
--- a/examples/power/conf/model/art/initialize/default.yaml
+++ b/examples/power/conf/model/art/initialize/default.yaml
@@ -5,4 +5,3 @@ optimizer:
     lr : 0.01
     momentum : 0.9
 clip_values : [0, 255]
-device_type : ${oc.env:DECKARD_DEVICE_TYPE,cpu}