diff --git a/src/game.rs b/src/game.rs
index eb858eb..9fc323d 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -59,7 +59,8 @@ impl Plugin for GamePlugin {
 			)
 			.add_system_to_stage(CoreStage::PostUpdate, char_char_collision_event_system)
 			.add_system_to_stage(CoreStage::PostUpdate, char_platform_collision_event_system)
-			.add_system_to_stage(CoreStage::PostUpdate, collision_event_system);
+			// collision event system might remove items, therefore, we should detect platforms first before removing them
+			.add_system_to_stage(CoreStage::PostUpdate, collision_event_system.after(char_platform_collision_event_system));
 	}
 }
 
@@ -111,12 +112,10 @@ pub struct PlatformCount(usize);
 
 impl PlatformCount {
 	fn increment(&mut self) {
-		println!("increment");
 		self.0 += 1;
 	}
 
 	fn decrement(&mut self) {
-		println!("decrement");
 		self.0 = self.0.saturating_sub(1);
 	}