diff --git a/core/assets/maps/aware.msav b/core/assets/maps/aware.msav
index 2f07f04fb1..b0d9bfdb71 100644
Binary files a/core/assets/maps/aware.msav and b/core/assets/maps/aware.msav differ
diff --git a/core/src/mindustry/core/Logic.java b/core/src/mindustry/core/Logic.java
index 2324623269..e4dfc4b997 100644
--- a/core/src/mindustry/core/Logic.java
+++ b/core/src/mindustry/core/Logic.java
@@ -152,6 +152,14 @@ public class Logic implements ApplicationListener{
             }
         });
 
+        Events.on(BlockDestroyEvent.class, e -> {
+            //TODO maybe make it a separate rule?
+            //makes cores go derelict in RTS mode, helps clean things up
+            if(e.tile.build instanceof CoreBuild core && core.team.isAI() && core.team.rules().rtsAi){
+                core.team.data().makeDerelict(core.x, core.y, state.rules.enemyCoreBuildRadius);
+            }
+        });
+
         //send out items to each client
         Events.on(TurnEvent.class, e -> {
             if(net.server() && state.isCampaign()){
@@ -167,7 +175,9 @@ public class Logic implements ApplicationListener{
         //listen to core changes; if all cores have been destroyed, set to derelict.
         Events.on(CoreChangeEvent.class, e -> Core.app.post(() -> {
             if(state.rules.cleanupDeadTeams && state.rules.pvp && !e.core.isAdded() && e.core.team != Team.derelict && e.core.team.cores().isEmpty()){
-                e.core.team.data().destroyToDerelict();
+                Core.app.post(() -> {
+                    e.core.team.data().destroyToDerelict();
+                });
             }
         }));
     }
diff --git a/core/src/mindustry/game/Teams.java b/core/src/mindustry/game/Teams.java
index 153fd640f5..1b3cfa61c9 100644
--- a/core/src/mindustry/game/Teams.java
+++ b/core/src/mindustry/game/Teams.java
@@ -272,12 +272,7 @@ public class Teams{
 
             //convert all team tiles to neutral, randomly killing them
             for(var b : builds){
-                //TODO this may cause a lot of packet spam, optimize?
-                Call.setTeam(b, Team.derelict);
-
-                if(Mathf.chance(0.25)){
-                    Time.run(Mathf.random(0f, 60f * 6f), b::kill);
-                }
+                scheduleDerelict(b);
             }
 
             //kill all units randomly
@@ -289,6 +284,29 @@ public class Teams{
             }));
         }
 
+        /** Make all buildings within this range derelict / explode. */
+        public void makeDerelict(float x, float y, float range){
+            var builds = new Seq<Building>();
+            if(buildings != null){
+                buildings.intersect(x - range, y - range, range * 2f, range * 2f, builds);
+            }
+
+            for(var build : builds){
+                if(build.within(x, y, range)){
+                    scheduleDerelict(build);
+                }
+            }
+        }
+
+        private void scheduleDerelict(Building build){
+            //TODO this may cause a lot of packet spam, optimize?
+            Call.setTeam(build, Team.derelict);
+
+            if(Mathf.chance(0.25)){
+                Time.run(Mathf.random(0f, 60f * 6f), build::kill);
+            }
+        }
+
         @Nullable
         public Seq<Unit> unitCache(UnitType type){
             if(unitsByType == null || unitsByType.length <= type.id || unitsByType[type.id] == null) return null;