diff --git a/project/dalia/api_models/api_models.py b/project/dalia/api_models/api_models.py
index edf9ff34e35702c79c7ea28b7ac4fe6fb75c1c80..0497c33c03116f1d47a039866c325b6e57706d9c 100644
--- a/project/dalia/api_models/api_models.py
+++ b/project/dalia/api_models/api_models.py
@@ -58,16 +58,10 @@ class EventSpecial:
 
 @dataclass
 class PersonAuthor:
-    firstname: Optional[str] = None  # to be deprecated
-    firstName: Optional[str] = None
-    lastname: Optional[str] = None  # to be deprecated
-    lastName: Optional[str] = None
+    firstname: Optional[str] = None
+    lastname: Optional[str] = None
     orcid: Optional[str] = None
 
-    def __post_init__(self):
-        self.firstName = self.firstname
-        self.lastName = self.lastname
-
 
 @dataclass
 class OrganizationAuthor: