diff --git a/src/re/multi_grid/grid_impl.py b/src/re/multi_grid/grid_impl.py
index ea8beb2f980a7e13b7c3d68538e718c89658f2bc..655177d8d9e7a83c2adb95fb5831825c1e69182b 100644
--- a/src/re/multi_grid/grid_impl.py
+++ b/src/re/multi_grid/grid_impl.py
@@ -17,7 +17,6 @@ from .grid import Grid, GridAtLevel, MGrid, MGridAtLevel, OpenGrid, OpenGridAtLe
 class HEALPixGridAtLevel(GridAtLevel):
     nside: int
     nest: bool
-    fill_strategy: str
 
     def __init__(
         self,