diff --git a/perxis-proto b/perxis-proto
index 00019d48da9824bbf43354502f15d5ea4016f931..f10336dc4a4f58111c12dd95afec82be18388803 160000
--- a/perxis-proto
+++ b/perxis-proto
@@ -1 +1 @@
-Subproject commit 00019d48da9824bbf43354502f15d5ea4016f931
+Subproject commit f10336dc4a4f58111c12dd95afec82be18388803
diff --git a/perxis/models.py b/perxis/models.py
index 0e5040394167d07f29a3c644cead57acdf1ee4b5..e3a1d57f173b09930900cc86b94aea14f28581a7 100644
--- a/perxis/models.py
+++ b/perxis/models.py
@@ -1,5 +1,3 @@
-import enum
-
 from dataclasses import dataclass
 
 
@@ -8,10 +6,3 @@ class Reference:
     id: str
     collection_id: str
     disabled: bool = False
-
-
-class State(str, enum.Enum):
-    DRAFT = "DRAFT"
-    PUBLISHED = "PUBLISHED"
-    CHANGED = "CHANGED"
-    ARCHIVED = "ARCHIVED"
diff --git a/setup.py b/setup.py
index 210545e031b37284a61243f5301e122847727fa2..e7e52269be816af4cb0095da04f6d4ee65f2316c 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ def load_requirements():
 
 setup(
     name='perxis',
-    version='1.7.3',
+    version='1.7.2',
     description='Perxis python client',
     long_description=long_description,
     long_description_content_type='text/markdown',