diff --git a/substra/sdk/assets.py b/substra/sdk/assets.py
deleted file mode 100644
index 30e92130..00000000
--- a/substra/sdk/assets.py
+++ /dev/null
@@ -1,8 +0,0 @@
-FUNCTION = "function"
-DATA_SAMPLE = "data_sample"
-DATASET = "dataset"
-MODEL = "model"
-METRIC = "metric"
-TASK = "task"
-COMPUTE_PLAN = "compute_plan"
-ORGANIZATION = "organization"