diff --git a/cascade/models/model_repo.py b/cascade/models/model_repo.py
index abcb38e7..4d60a935 100644
--- a/cascade/models/model_repo.py
+++ b/cascade/models/model_repo.py
@@ -51,8 +51,8 @@ class ModelRepo(Repo):
     An interface to manage experiments with several lines of models.
     When created, initializes an empty folder constituting a repository of model lines.
 
-    Stores its meta-data in its root folder. With every run if the repo was already
-    created earlier, updates its meta and logs changes in human-readable format in file history.log
+    Stores its metadata in its root folder. With every run if the repo was already
+    created earlier, updates its meta and logs changes in human-readable format in history file
 
     Example
     -------
@@ -130,7 +130,6 @@ def _load_lines(self) -> None:
         self._lines = {
             name: ModelLine(os.path.join(self._root, name),
                             model_cls=self._model_cls,
-                            meta_prefix=self._meta_prefix,
                             meta_fmt=self._meta_fmt)
             for name in sorted(os.listdir(self._root))
             if os.path.isdir(os.path.join(self._root, name))}
@@ -177,7 +176,6 @@ def add_line(
             meta_fmt = self._meta_fmt
         line = ModelLine(folder,
                          *args,
-                         meta_prefix=self._meta_prefix,
                          meta_fmt=meta_fmt,
                          **kwargs)
         self._lines[name] = line