diff --git a/common/src/rtsim.rs b/common/src/rtsim.rs
index bc62900979..07c1340a00 100644
--- a/common/src/rtsim.rs
+++ b/common/src/rtsim.rs
@@ -22,6 +22,7 @@ impl Component for RtSimEntity {
 pub enum RtSimEvent {
     AddMemory(Memory),
     SetMood(Memory),
+    ForgetEnemy(String),
     PrintMemories,
 }
 
diff --git a/server/src/rtsim/entity.rs b/server/src/rtsim/entity.rs
index fbeb959267..3f24371038 100644
--- a/server/src/rtsim/entity.rs
+++ b/server/src/rtsim/entity.rs
@@ -500,6 +500,14 @@ pub struct Brain {
 impl Brain {
     pub fn add_memory(&mut self, memory: Memory) { self.memories.push(memory); }
 
+    pub fn forget_enemy(&mut self, to_forget: &str) {
+        self.memories.retain(|memory| {
+            !matches!(
+                &memory.item,
+                MemoryItem::CharacterFight {name, ..} if name == to_forget)
+        })
+    }
+
     pub fn remembers_mood(&self) -> bool {
         self.memories
             .iter()
@@ -538,8 +546,8 @@ impl Brain {
     pub fn remembers_fight_with_character(&self, name_to_remember: &str) -> bool {
         self.memories.iter().any(|memory| {
             matches!(
-                    &memory.item,
-                    MemoryItem::CharacterFight { name, .. } if name == name_to_remember)
+                &memory.item,
+                MemoryItem::CharacterFight { name, .. } if name == name_to_remember)
         })
     }
 }
diff --git a/server/src/rtsim/mod.rs b/server/src/rtsim/mod.rs
index 827bd81728..218fe6e293 100644
--- a/server/src/rtsim/mod.rs
+++ b/server/src/rtsim/mod.rs
@@ -82,6 +82,12 @@ impl RtSim {
             .map(|entity| entity.brain.add_memory(memory));
     }
 
+    pub fn forget_entity_enemy(&mut self, entity: RtSimId, name: &str) {
+        if let Some(entity) = self.entities.get_mut(entity) {
+            entity.brain.forget_enemy(name);
+        }
+    }
+
     pub fn set_entity_mood(&mut self, entity: RtSimId, memory: Memory) {
         self.entities
             .get_mut(entity)
diff --git a/server/src/sys/agent.rs b/server/src/sys/agent.rs
index f9046768bc..950b9f17de 100644
--- a/server/src/sys/agent.rs
+++ b/server/src/sys/agent.rs
@@ -14,7 +14,7 @@ use common::{
         invite::{InviteKind, InviteResponse},
         item::{
             tool::{AbilitySpec, ToolKind},
-            Item, ItemDesc, ItemKind, ConsumableKind,
+            ConsumableKind, Item, ItemDesc, ItemKind,
         },
         skills::{AxeSkill, BowSkill, HammerSkill, SceptreSkill, Skill, StaffSkill, SwordSkill},
         Agent, Alignment, BehaviorCapability, BehaviorState, Body, CharacterAbility,
@@ -418,6 +418,11 @@ impl<'a> System<'a> for Sys {
                             if let Some(tgt_health) = read_data.healths.get(target) {
                                 // If target is dead, leave it
                                 if tgt_health.is_dead {
+                                    if let Some(tgt_stats) =
+                                        data.rtsim_entity.and(read_data.stats.get(target))
+                                    {
+                                        rtsim_forget_enemy(&tgt_stats.name, agent);
+                                    }
                                     relax(agent, controller, event_emitter);
                                 // If the target is hostile
                                 // (either based on alignment or if
@@ -473,9 +478,8 @@ impl<'a> System<'a> for Sys {
                                     };
                                     data.attack(agent, controller, &target_data, &read_data);
                                     // Remember this encounter if an RtSim entity
-                                    if let Some(tgt_stats) = data
-                                        .rtsim_entity
-                                        .and_then(|_| read_data.stats.get(attacker))
+                                    if let Some(tgt_stats) =
+                                        data.rtsim_entity.and(read_data.stats.get(attacker))
                                     {
                                         rtsim_new_enemy(&tgt_stats.name, agent, &read_data);
                                     }
@@ -524,6 +528,9 @@ impl<'a> System<'a> for Sys {
                     RtSimEvent::AddMemory(memory) => {
                         rtsim.insert_entity_memory(rtsim_entity.0, memory.clone());
                     },
+                    RtSimEvent::ForgetEnemy(name) => {
+                        rtsim.forget_entity_enemy(rtsim_entity.0, &name);
+                    },
                     RtSimEvent::SetMood(memory) => {
                         rtsim.set_entity_mood(rtsim_entity.0, memory.clone());
                     },
@@ -4125,6 +4132,13 @@ fn rtsim_new_enemy(target_name: &str, agent: &mut Agent, read_data: &ReadData) {
         }));
 }
 
+fn rtsim_forget_enemy(target_name: &str, agent: &mut Agent) {
+    agent
+        .rtsim_controller
+        .events
+        .push(RtSimEvent::ForgetEnemy(target_name.to_owned()));
+}
+
 fn can_see_tgt(terrain: &TerrainGrid, pos: &Pos, tgt_pos: &Pos, dist_sqrd: f32) -> bool {
     terrain
         .ray(pos.0 + Vec3::unit_z(), tgt_pos.0 + Vec3::unit_z())