diff --git a/config/formats.js b/config/formats.js
index 5d9c63eb43..0ab7bdad51 100644
--- a/config/formats.js
+++ b/config/formats.js
@@ -21,7 +21,7 @@ let Formats = [
 
 		mod: 'gen7',
 		team: 'random',
-		ruleset: ['PotD', 'Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['PotD', 'Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 7] Unrated Random Battle",
@@ -30,7 +30,7 @@ let Formats = [
 		team: 'random',
 		challengeShow: false,
 		rated: false,
-		ruleset: ['PotD', 'Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['PotD', 'Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 7] OU",
@@ -245,7 +245,7 @@ let Formats = [
 		mod: 'gen7',
 		gameType: 'doubles',
 		team: 'random',
-		ruleset: ['PotD', 'Pokemon', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['PotD', 'Pokemon', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 7] Doubles OU",
@@ -874,7 +874,7 @@ let Formats = [
 		mod: 'gen7',
 		team: 'random',
 		searchShow: false,
-		ruleset: ['Pokemon', 'Same Type Clause', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['Pokemon', 'Same Type Clause', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 7] Challenge Cup 1v1",
@@ -904,7 +904,7 @@ let Formats = [
 
 		mod: 'gen7',
 		team: 'randomHC',
-		ruleset: ['Pokemon', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['Pokemon', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 7] Doubles Hackmons Cup",
@@ -913,14 +913,14 @@ let Formats = [
 		gameType: 'doubles',
 		team: 'randomHC',
 		searchShow: false,
-		ruleset: ['Pokemon', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['Pokemon', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 6] Random Battle",
 
 		mod: 'gen6',
 		team: 'random',
-		ruleset: ['PotD', 'Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['PotD', 'Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 6] Battle Factory",
@@ -936,7 +936,7 @@ let Formats = [
 
 		mod: 'gen5',
 		team: 'random',
-		ruleset: ['Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod', 'Illusion Level Mod'],
+		ruleset: ['Pokemon', 'Sleep Clause Mod', 'HP Percentage Mod', 'Cancel Mod'],
 	},
 	{
 		name: "[Gen 4] Random Battle",
diff --git a/data/rulesets.js b/data/rulesets.js
index 5733cfec1e..ab4552523c 100644
--- a/data/rulesets.js
+++ b/data/rulesets.js
@@ -724,15 +724,6 @@ let BattleFormats = {
 			this.add('rule', 'Switch Priority Clause Mod: Faster Pokémon switch first');
 		},
 	},
-	illusionlevelmod: {
-		effectType: 'Rule',
-		name: 'Illusion Level Mod',
-		desc: "Makes Illusion also copy levels - normally, Illusion copies everything except levels, which isn't a problem in tiers where everyone is level 100 or 50, but is a problem in Randbats because the level balancing makes Zoroark much weaker than intended",
-		onStart: function () {
-			this.add('rule', 'Illusion Level Mod: Illusion also fakes levels');
-			this.illusionCopiesLevels = true;
-		},
-	},
 	freezeclausemod: {
 		effectType: 'Rule',
 		name: 'Freeze Clause Mod',
diff --git a/sim/battle.js b/sim/battle.js
index 8c7622f732..5ea8c1bdf8 100644
--- a/sim/battle.js
+++ b/sim/battle.js
@@ -120,7 +120,6 @@ class Battle extends Dex.ModdedDex {
 		this.currentRequest = '';
 		this.lastMoveLine = 0;
 		this.reportPercentages = false;
-		this.illusionCopiesLevels = false;
 		this.supportCancel = false;
 		this.events = null;
 
diff --git a/sim/pokemon.js b/sim/pokemon.js
index 33e4b88b6f..69c36e9ef9 100644
--- a/sim/pokemon.js
+++ b/sim/pokemon.js
@@ -331,7 +331,6 @@ class Pokemon {
 	 */
 	getDetailsInner(side) {
 		if (this.illusion) {
-			if (this.battle.illusionCopiesLevels) return this.illusion.details + '|' + this.getHealthInner(side);
 			let illusionDetails = this.illusion.species + (this.level === 100 ? '' : ', L' + this.level) + (this.illusion.gender === '' ? '' : ', ' + this.illusion.gender) + (this.illusion.set.shiny ? ', shiny' : '');
 			return illusionDetails + '|' + this.getHealthInner(side);
 		}