diff --git a/eos/effects.py b/eos/effects.py
index f01f611f2..96d31a8b9 100644
--- a/eos/effects.py
+++ b/eos/effects.py
@@ -979,11 +979,9 @@ class Effect272(BaseEffect):
     @staticmethod
     def handler(fit, container, context, projectionRange, **kwargs):
         level = container.level if 'skill' in context else 1
-        penalize = False if 'skill' in context or 'booster' in context or 'implant' in context else True
         fit.modules.filteredItemBoost(
             lambda mod: mod.item.requiresSkill('Repair Systems'), 'duration',
-            container.getModifiedItemAttr('durationSkillBonus') * level,
-            stackingPenalties=penalize, **kwargs)
+            container.getModifiedItemAttr('durationSkillBonus') * level, **kwargs)
 
 
 class Effect273(BaseEffect):
@@ -4937,10 +4935,9 @@ class Effect1635(BaseEffect):
     @staticmethod
     def handler(fit, container, context, projectionRange, **kwargs):
         level = container.level if 'skill' in context else 1
-        penalize = False if 'skill' in context or 'booster' in context else True
-        fit.modules.filteredItemBoost(lambda mod: mod.item.requiresSkill('Capital Repair Systems'),
-                                      'duration', container.getModifiedItemAttr('durationSkillBonus') * level,
-                                      stackingPenalties=penalize, **kwargs)
+        fit.modules.filteredItemBoost(
+            lambda mod: mod.item.requiresSkill('Capital Repair Systems'), 'duration',
+            container.getModifiedItemAttr('durationSkillBonus') * level, **kwargs)
 
 
 class Effect1638(BaseEffect):