diff --git a/crates/calc/src/recalc.rs b/crates/calc/src/recalc.rs
index 32d588705..e537ccf0b 100644
--- a/crates/calc/src/recalc.rs
+++ b/crates/calc/src/recalc.rs
@@ -396,6 +396,7 @@ impl Calc {
             return;
         }
         let mut seeds: Vec<Key> = changed.to_vec();
+        let mut emptied: Vec<Key> = Vec::new();
         // Typing into (or clearing) a cell a dynamic array spills over (or would spill over)
         // re-evaluates the anchor, which may now be blocked or unblocked.
         for &k in changed {
@@ -410,6 +411,20 @@ impl Calc {
                         seeds.push((k.0, c));
                     }
                 }
+                if !sh.cells.has(k.1) {
+                    match emptied.iter_mut().find(|x| x.0 == k.0) {
+                        Some(x) => x.1 = CellRef::new(x.1.row.max(k.1.row), x.1.col.max(k.1.col)),
+                        None => emptied.push(k),
+                    }
+                }
+            }
+        }
+        // An emptied cell can unblock an anchor any distance above or to the left of it.
+        for (si, end) in emptied {
+            for &(s, c) in self.graph.nodes.keys() {
+                if s == si && c.row <= end.row && c.col <= end.col && wb.sheet(s).is_some_and(|sh| sh.value(c) == Value::Error(CellError::Spill)) {
+                    seeds.push((s, c));
+                }
             }
         }
         // Spill areas of changed anchors also change.
diff --git a/crates/engine/src/tests.rs b/crates/engine/src/tests.rs
index 9343faeda..b7f7323fd 100644
--- a/crates/engine/src/tests.rs
+++ b/crates/engine/src/tests.rs
@@ -184,6 +184,16 @@ fn structural_edits_move_spills_with_their_formula() {
     assert_eq!(col(&s), [Value::Empty, Value::Empty, Value::Empty, Value::Empty]);
 }
 
+#[test]
+fn clearing_a_distant_blocker_unblocks_the_spill() {
+    let mut s = s();
+    s.execute("cell.set", json!({"cell": "A1", "input": "=SEQUENCE(100)"})).unwrap();
+    s.execute("cell.set", json!({"cell": "A90", "input": "x"})).unwrap();
+    assert_eq!(v(&s, "A1"), Value::Error(gridcraft_core::CellError::Spill));
+    s.execute("edit.clearContents", json!({"range": "A90"})).unwrap();
+    assert_eq!((v(&s, "A1"), v(&s, "A100")), (Value::Number(1.0), Value::Number(100.0)));
+}
+
 #[test]
 fn every_command_survives_empty_params() {
     let mut s = Session::new();