diff --git a/core/assets-raw/sprites/blocks/campaign/payload-launch-pad-light.png b/core/assets-raw/sprites/blocks/campaign/payload-launch-pad-light.png
deleted file mode 100644
index bf9ab10863..0000000000
Binary files a/core/assets-raw/sprites/blocks/campaign/payload-launch-pad-light.png and /dev/null differ
diff --git a/core/assets-raw/sprites/blocks/campaign/payload-launch-pad.png b/core/assets-raw/sprites/blocks/campaign/payload-launch-pad.png
deleted file mode 100644
index ec96499d67..0000000000
Binary files a/core/assets-raw/sprites/blocks/campaign/payload-launch-pad.png and /dev/null differ
diff --git a/core/assets-raw/sprites/blocks/turrets/afflict/afflict.png b/core/assets-raw/sprites/blocks/turrets/afflict/afflict.png
deleted file mode 100644
index bc1d57ddc0..0000000000
Binary files a/core/assets-raw/sprites/blocks/turrets/afflict/afflict.png and /dev/null differ
diff --git a/core/src/mindustry/ai/types/FlyingAI.java b/core/src/mindustry/ai/types/FlyingAI.java
index 01065aa7fb..4c1b960592 100644
--- a/core/src/mindustry/ai/types/FlyingAI.java
+++ b/core/src/mindustry/ai/types/FlyingAI.java
@@ -7,6 +7,7 @@ import mindustry.world.meta.*;
 
 import static mindustry.Vars.*;
 
+//TODO very strange idle behavior sometimes
 public class FlyingAI extends AIController{
 
     @Override
diff --git a/core/src/mindustry/ai/types/FlyingFollowAI.java b/core/src/mindustry/ai/types/FlyingFollowAI.java
index 42e193949a..111c9f632c 100644
--- a/core/src/mindustry/ai/types/FlyingFollowAI.java
+++ b/core/src/mindustry/ai/types/FlyingFollowAI.java
@@ -6,6 +6,7 @@ import mindustry.entities.*;
 import mindustry.entities.units.*;
 import mindustry.gen.*;
 
+//TODO generally strange behavior
 /** AI/wave team only! This is used for wave support flyers. */
 public class FlyingFollowAI extends FlyingAI{
     public Teamc following;