diff --git a/Resources/Prototypes/Entities/Markers/Spawners/Conditional/timed.yml b/Resources/Prototypes/Entities/Markers/Spawners/Conditional/timed.yml
index 050134adbb..26d4e3f1d2 100644
--- a/Resources/Prototypes/Entities/Markers/Spawners/Conditional/timed.yml
+++ b/Resources/Prototypes/Entities/Markers/Spawners/Conditional/timed.yml
@@ -56,7 +56,6 @@
         - MobMouse
         - MobMouse1
         - MobMouse2
-        - MobMouseUranium
       # round ~90m
       # one spawner should only spawn ~5 mice for sanity reasons
       # therefore 18m
diff --git a/Resources/Prototypes/Entities/Markers/Spawners/mobs.yml b/Resources/Prototypes/Entities/Markers/Spawners/mobs.yml
index 4f4f55d83a..3f43ca327c 100644
--- a/Resources/Prototypes/Entities/Markers/Spawners/mobs.yml
+++ b/Resources/Prototypes/Entities/Markers/Spawners/mobs.yml
@@ -16,7 +16,6 @@
       - MobMouse
       - MobMouse1
       - MobMouse2
-      - MobMouseUranium
 
 - type: entity
   name: Cockroach Spawner
diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/animals.yml b/Resources/Prototypes/Entities/Mobs/NPCs/animals.yml
index 3792869ff1..8779f6a86a 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/animals.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/animals.yml
@@ -3394,38 +3394,3 @@
   components:
   - type: ReplacementAccent
     accent: nymph
-
-- type: entity
-  name: Uranium mouse
-  description: It's Cancer Mouse, everybody!
-  parent: MobMouse
-  id: MobMouseUranium
-  components:
-  - type: Sprite
-    color: LightGreen
-  - type: PointLight
-    color: LightGreen
-    radius: 5
-    energy: 5
-    netsync: false
-  - type: RadiationSource
-    intensity: 1
-  - type: Bloodstream
-    bloodReagent: UnstableMutagen
-  - type: SolutionContainerManager
-    solutions:
-      food:
-        reagents:
-        - ReagentId: UncookedAnimalProteins
-          Quantity: 3
-        - ReagentId: Uranium
-          Quantity: 10
-  - type: Butcherable
-    spawned:
-    - id: FoodMeatRat
-      amount: 1
-    - id: SheetUranium1
-      amount: 1
-  - type: Damageable
-    damageContainer: Biological
-    damageModifierSet: Zombie
diff --git a/Resources/Prototypes/GameRules/events.yml b/Resources/Prototypes/GameRules/events.yml
index fb52a6e879..76bd02bf03 100644
--- a/Resources/Prototypes/GameRules/events.yml
+++ b/Resources/Prototypes/GameRules/events.yml
@@ -180,8 +180,6 @@
       prob: 0.02
     - id: MobMouse2
       prob: 0.02
-    - id: MobMouseUranium
-      prob: 0.02
     - id: MobMouseCancer
       prob: 0.001
     specialEntries: