diff --git a/src/expr/linkplan.rs b/src/expr/linkplan.rs
index 4d379a2..dfeec26 100644
--- a/src/expr/linkplan.rs
+++ b/src/expr/linkplan.rs
@@ -119,9 +119,7 @@ fn calculate_votes(mut que: Vec<Box<[u8]>>) -> Vec<BTreeMap<Box<[u8]>, VoteEntry
             v.best_parent = pbs_index.0.try_into().unwrap();
 
             // propagate dependency
-            if v.is_used {
-                plvl.get_mut(&pbs).unwrap().is_used = true;
-            }
+            plvl.get_mut(&pbs).unwrap().is_used = true;
         }
 
         levels[lid + 1] = taken;