diff --git a/bigraph_viz/diagram.py b/bigraph_viz/diagram.py
index 556f8a3..cb8b8e2 100644
--- a/bigraph_viz/diagram.py
+++ b/bigraph_viz/diagram.py
@@ -7,7 +7,14 @@
 import graphviz
 
 
-PROCESS_SCHEMA_KEYS = ['config', 'address', 'interval', 'inputs', 'outputs', 'instance']
+PROCESS_SCHEMA_KEYS = [
+    'config',
+    'address',
+    # 'interval',
+    'inputs',
+    'outputs', 
+    'instance',
+]
 
 REMOVE_KEYS = ['global_time']