diff --git a/app/eve_api/admin.py b/app/eve_api/admin.py
index 129bc32..3a5a7b3 100644
--- a/app/eve_api/admin.py
+++ b/app/eve_api/admin.py
@@ -47,7 +47,7 @@ class EVEPlayerCharacterAdmin(admin.ModelAdmin):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False
 
 
@@ -60,7 +60,7 @@ class EVEPlayerCharacterRoleAdmin(admin.ModelAdmin):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False
 
 
@@ -74,7 +74,7 @@ class EVEPlayerCorporationInline(admin.TabularInline):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False
 
 
@@ -88,7 +88,7 @@ class EVEPlayerAllianceAdmin(admin.ModelAdmin):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False
 
 
@@ -102,7 +102,7 @@ class EVEPlayerCorporationAdmin(admin.ModelAdmin):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False
 
 
@@ -115,7 +115,7 @@ class EVESkillAdmin(admin.ModelAdmin):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False
 
 
@@ -128,7 +128,7 @@ class EVESkillGroupAdmin(admin.ModelAdmin):
     def has_add_permission(self, request):
         return False
 
-    def has_delete_permission(self, request):
+    def has_delete_permission(self, request, obj=None):
         return False