diff --git a/src/spaceone/cost_analysis/conf/proto_conf.py b/src/spaceone/cost_analysis/conf/proto_conf.py
deleted file mode 100644
index f89007c1..00000000
--- a/src/spaceone/cost_analysis/conf/proto_conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-PROTO = {
-    'spaceone.cost_analysis.interface.grpc.v1.data_source': ['DataSource'],
-    'spaceone.cost_analysis.interface.grpc.v1.cost': ['Cost'],
-    'spaceone.cost_analysis.interface.grpc.v1.data_source_rule': ['DataSourceRule'],
-    'spaceone.cost_analysis.interface.grpc.v1.budget': ['Budget'],
-    'spaceone.cost_analysis.interface.grpc.v1.budget_usage': ['BudgetUsage'],
-    'spaceone.cost_analysis.interface.grpc.v1.cost_query_set': ['CostQuerySet'],
-    'spaceone.cost_analysis.interface.grpc.v1.job': ['Job'],
-    'spaceone.cost_analysis.interface.grpc.v1.job_task': ['JobTask'],
-}