diff --git a/test/integration/test-cases/postrender/input/helm-plugin-add-cm/plugin.yaml b/test/integration/test-cases/postrender/input/helm-plugin-add-cm/plugin.yaml
index b9d4df98..6820dd14 100644
--- a/test/integration/test-cases/postrender/input/helm-plugin-add-cm/plugin.yaml
+++ b/test/integration/test-cases/postrender/input/helm-plugin-add-cm/plugin.yaml
@@ -2,7 +2,6 @@ apiVersion: v1
 type: postrenderer/v1
 name: add-cm
 version: 0.1.0
-source: test
 runtime: subprocess
 runtimeConfig:
   platformCommand: