diff --git a/times_reader/datatypes.py b/times_reader/datatypes.py
index b58e9d7..ee3d2f9 100644
--- a/times_reader/datatypes.py
+++ b/times_reader/datatypes.py
@@ -146,6 +146,7 @@ class Config:
     times_xl_maps: List[TimesXlMap]
     dd_table_order: Iterable[str]
     all_attributes: Set[str]
+    attr_aliases: Set[str]
     # For each tag, this dictionary maps each column alias to the normalized name
     column_aliases: Dict[Tag, Dict[str, str]]
     veda_attr_defaults: Dict[str, Dict[str, list]]
@@ -162,7 +163,7 @@ def __init__(
             times_info_file
         )
         self.column_aliases = Config._read_veda_tags_info(veda_tags_file)
-        self.veda_attr_defaults = Config._read_veda_attr_defaults(
+        self.veda_attr_defaults, self.attr_aliases = Config._read_veda_attr_defaults(
             veda_attr_defaults_file
         )
 
@@ -284,7 +285,7 @@ def _read_veda_tags_info(veda_tags_file: str) -> Dict[Tag, Dict[str, str]]:
     @staticmethod
     def _read_veda_attr_defaults(
         veda_attr_defaults_file: str,
-    ) -> Dict[str, Dict[str, list]]:
+    ) -> Tuple[Dict[str, Dict[str, list]], Set[str]]:
         # Read veda_tags_file
         with resources.open_text("times_reader.config", veda_attr_defaults_file) as f:
             defaults = json.load(f)
@@ -296,6 +297,10 @@ def _read_veda_attr_defaults(
             "tslvl": {"DAYNITE": [], "ANNUAL": []},
         }
 
+        attr_aliases = {
+            attr for attr in defaults if "times-attribute" in defaults[attr]
+        }
+
         for attr, attr_info in defaults.items():
             # Populate aliases by attribute dictionary
             if "times-attribute" in attr_info:
@@ -316,4 +321,4 @@ def _read_veda_attr_defaults(
                     tslvl = attr_defaults["ts-level"]
                     veda_attr_defaults["tslvl"][tslvl].append(attr)
 
-        return veda_attr_defaults
+        return veda_attr_defaults, attr_aliases
diff --git a/times_reader/transforms.py b/times_reader/transforms.py
index f4ef4a6..da18147 100644
--- a/times_reader/transforms.py
+++ b/times_reader/transforms.py
@@ -1583,7 +1583,7 @@ def is_year(col_name):
             other_columns = [
                 col_name
                 for col_name in df.columns
-                if col_name not in config.all_attributes
+                if col_name not in (config.all_attributes | config.attr_aliases)
             ]
             df = pd.melt(
                 df,