diff --git a/lib/Grid_summation.h b/lib/Grid_summation.h
deleted file mode 100644
index 936ca8ef..00000000
--- a/lib/Grid_summation.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef GRID_SUMMATION_H
-#define GRID_SUMMATION_H
-namespace Grid {
-
-}
-#endif