diff --git a/battle.js b/battle.js
index 6da07df4..9ee19713 100644
--- a/battle.js
+++ b/battle.js
@@ -58,11 +58,10 @@ function BattleIdol(idol, control) {
   }
 
   self.attack = modStat(idol.attack + idol.attackBonus, 100);
-  self.defense = modStat(idol.defense + idol.defenseBonus, 50);
-  self.endurance = modStat(idol.endurance + idol.enduranceBonus, 50);
+  self.defense = modStat(idol.defense + idol.defenseBonus, 100);
   self.speed = modStat(idol.speed + idol.speedBonus, 20);
 
-  self.maxHp = self.endurance;
+  self.maxHp = 50;
   self.hp = self.maxHp;
 
   self.abilities = idol.abilities;
diff --git a/game.js b/game.js
index 194bbefe..7a684c31 100644
--- a/game.js
+++ b/game.js
@@ -1,7 +1,6 @@
 var VOWELS = 'aeiou';
 var N = 'n';
 var STATS = [
-  'endurance',
   'attack',
   'speed',
   'defense'
@@ -59,7 +58,6 @@ var endString = 'end';
 var idolSorters = {
   date: function(a, b) { return b.recruitedAt - a.recruitedAt; },
   statSpeed: function(a, b) { return (b.speed + b.speedBonus) - (a.speed + a.speedBonus); },
-  statEndurance: function(a, b) { return (b.endurance + b.enduranceBonus) - (a.endurance + a.enduranceBonus); },
   statAttack: function(a, b) { return (b.attack + b.attackBonus) - (a.attack + a.attackBonus); },
   statDefense: function(a, b) { return (b.defense + b.defenseBonus) - (a.defense + a.defenseBonus); },
   unitMembership: function(a, b) { return (Number(b.isInUnit()) - Number(a.isInUnit())); },
@@ -73,7 +71,6 @@ var idolSorters = {
 var idolSortNames = {
   date: 'Date recruited',
   statSpeed: 'Speed',
-  statEndurance: 'Endurance',
   statAttack: 'Attack',
   statDefense: 'Defense',
   allStats: 'Total of all stats',
diff --git a/index.html b/index.html
index d6386f66..f9f1c080 100644
--- a/index.html
+++ b/index.html
@@ -126,8 +126,6 @@ <h2 class="name affinity-{{affinity}}">{{name}}</h2>
             <dd>{{defense}} +{{defenseBonus}}</dd>
             <dt>Speed</dt>
             <dd>{{speed}} +{{speedBonus}}</dd>
-            <dt>Endurance</dt>
-            <dd>{{endurance}} +{{enduranceBonus}}</dd>
           </dl>
           <p class="rarity">{{rarity}}</p>
         </div>
@@ -268,8 +266,6 @@ <h2>Are you sure you want {{idol.name}} to “train with” {{food.name}}?</h2>
           <dd>{{idol.defense}} + {{food.defense}}{{#if negativeStats.defense}}/2{{/if}} = <strong>{{summedStats.defense}}</strong></dd>
           <dt>Speed</dt>
           <dd>{{idol.speed}} + {{food.speed}}{{#if negativeStats.speed}}/2{{/if}} = <strong>{{summedStats.speed}}</strong></dd>
-          <dt>Endurance</dt>
-          <dd>{{idol.endurance}} + {{food.endurance}}{{#if negativeStats.endurance}}/2{{/if}} = <strong>{{summedStats.endurance}}</strong></dd>
         </dl>
 
         <p class="actions"><a href="#" class="yes">Yes, “train”</a> <a href="#" class="no">No, it's okay</a></p>