diff --git a/src/core/execution/PlayerExecution.ts b/src/core/execution/PlayerExecution.ts
index 32cbcbe1e..4aaf0dded 100644
--- a/src/core/execution/PlayerExecution.ts
+++ b/src/core/execution/PlayerExecution.ts
@@ -57,10 +57,7 @@ export class PlayerExecution implements Execution {
 
       const captor = this.mg!.player(owner.id());
       if (u.type() === UnitType.DefensePost) {
-        u.decreaseLevel(captor);
-        if (u.isActive()) {
-          captor.captureUnit(u);
-        }
+        u.delete(true, captor);
       } else {
         captor.captureUnit(u);
       }
diff --git a/tests/core/executions/PlayerExecution.test.ts b/tests/core/executions/PlayerExecution.test.ts
index 4ab71b262..0b086e99a 100644
--- a/tests/core/executions/PlayerExecution.test.ts
+++ b/tests/core/executions/PlayerExecution.test.ts
@@ -46,7 +46,7 @@ describe("PlayerExecution", () => {
     expect(game.unitCount(UnitType.DefensePost)).toBe(0);
   });
 
-  test("DefensePost lv. 2+ is downgraded when tile owner changes", () => {
+  test("DefensePost lv. 2+ is destroyed when tile owner changes", () => {
     const tile = game.ref(50, 50);
     player.conquer(tile);
     const defensePost = player.buildUnit(UnitType.DefensePost, tile, {});
@@ -60,11 +60,8 @@ describe("PlayerExecution", () => {
     otherPlayer.conquer(tile);
     executeTicks(game, 2);
 
-    expect(defensePost.level()).toBe(1);
-    expect(game.unitCount(UnitType.DefensePost)).toBe(1);
-    expect(otherPlayer.units(UnitType.DefensePost)).toHaveLength(1);
-    expect(defensePost.owner()).toBe(otherPlayer);
-    expect(defensePost.isActive()).toBe(true);
+    expect(game.unitCount(UnitType.DefensePost)).toBe(0);
+    expect(defensePost.isActive()).toBe(false);
   });
 
   test("Non-DefensePost structures are transferred (not downgraded) when tile owner changes", () => {