diff --git a/core/src/com/me/common/ecs/EntitySystem.java b/core/src/com/me/common/ecs/EntitySystem.java
index 38ec1e6..a5b4170 100644
--- a/core/src/com/me/common/ecs/EntitySystem.java
+++ b/core/src/com/me/common/ecs/EntitySystem.java
@@ -27,8 +27,11 @@ public abstract class EntitySystem extends BaseSystem {
     }
 
     public void process(float dt) {
-        for (int i = 0, n = getEntities().size; i < n; i++) {
-            processEntity(entities.get(i), dt);
+        for (int i = 0, n = entities.size; i < n; i++) {
+            Entity entity = entities.items[i];
+            if (!entity.removed && entity.active) {
+                processEntity(entity, dt);
+            }
         }
     }