diff --git a/ki/handlers/update_profile.py b/ki/handlers/update_profile.py
index 567f153..377b4c5 100644
--- a/ki/handlers/update_profile.py
+++ b/ki/handlers/update_profile.py
@@ -151,11 +151,11 @@ def update_profile(user_id: int):
     profile.freetext = request.json.get("freetext", "")
     profile.visible = request.json.get("visible", False)
 
-    update_address(profile, request.json.get("address", {}))
-    update_contacts(profile, request.json.get("contacts", {}))
-    update_skills(profile, request.json.get("skills", {}))
-    update_searchtopics(profile, request.json.get("searchtopics"))
-    update_languages(profile, request.json.get("languages", {}))
+    update_address(profile, request.json.get("address"))
+    update_contacts(profile, request.json.get("contacts", []))
+    update_skills(profile, request.json.get("skills", []))
+    update_searchtopics(profile, request.json.get("searchtopics", []))
+    update_languages(profile, request.json.get("languages", []))
 
     db.session.commit()
 
diff --git a/ki/models.py b/ki/models.py
index c4bac66..65961a1 100644
--- a/ki/models.py
+++ b/ki/models.py
@@ -139,13 +139,6 @@ class Address(db.Model):
 
 
 class Skill(db.Model):
-    skill_id_php = 1
-    skill_id_python = 3
-    skill_id_sqlalchemy = 7
-    skill_id_mysql = 9
-    skill_id_postgresql = 10
-    skill_id_sqlite = 11
-
     __tablename__ = "skill"
 
     id = Column(Integer, primary_key=True)