diff --git a/src/active.h b/src/active.h
index 7eab6f87d8c6d313b77576c2ac53bf1bb2d9949f..4ba442c2c28006c7d4eaa72bc7f3e7debb075608 100644
--- a/src/active.h
+++ b/src/active.h
@@ -73,20 +73,6 @@ __attribute__((always_inline)) INLINE static int cell_are_gpart_drifted(
   return (c->ti_old_gpart == e->ti_current);
 }
 
-/**
- * @brief Check that the #spart in a #cell have been drifted to the current
- * time.
- *
- * @param c The #cell.
- * @param e The #engine containing information about the current time.
- * @return 1 if the #cell has been drifted to the current time, 0 otherwise.
- */
-__attribute__((always_inline)) INLINE static int cell_are_spart_drifted(
-    const struct cell *c, const struct engine *e) {
-
-  return 1;
-}
-
 /* Are cells / particles active for regular tasks ? */
 
 /**