Fix bad conflict detection during makemigrations

django/core/management/commands/makemigrations.py

@@ -52,7 +52,7 @@ class Command(BaseCommand):
         # Load the current graph state. Takes a connection, but it's not used
         # (makemigrations doesn't look at the database state).
         # Also make sure the graph is built without unmigrated apps shoehorned in.
-        loader = MigrationLoader(connections[DEFAULT_DB_ALIAS])
+        loader = MigrationLoader(connections[DEFAULT_DB_ALIAS], load=False)
         loader.build_graph(ignore_unmigrated=True)
 
         # Before anything else, see if there's conflicting apps and drop out

django/db/migrations/loader.py

@@ -201,7 +201,6 @@ class MigrationLoader(object):
                 if parent[1] == "__first__" and parent not in self.graph:
                     if parent[0] in self.unmigrated_apps:
                         if ignore_unmigrated:
-                            migration.dependencies.remove(parent)
                             parent = None
                         else:
                             # This app isn't migrated, but something depends on it.