diff --git a/android/src/io/anuke/mindustry/AndroidLauncher.java b/android/src/io/anuke/mindustry/AndroidLauncher.java
index 441c00c392..7a667d6064 100644
--- a/android/src/io/anuke/mindustry/AndroidLauncher.java
+++ b/android/src/io/anuke/mindustry/AndroidLauncher.java
@@ -69,7 +69,6 @@ public class AndroidLauncher extends AndroidApplication{
             @Override
             public void showFileChooser(boolean open, String extension, Consumer<FileHandle> cons){
                 if(VERSION.SDK_INT >= 19){
-
                     Intent intent = new Intent(open ? Intent.ACTION_OPEN_DOCUMENT : Intent.ACTION_CREATE_DOCUMENT);
                     intent.addCategory(Intent.CATEGORY_OPENABLE);
                     intent.setType("*/*");
diff --git a/core/src/io/anuke/mindustry/maps/Maps.java b/core/src/io/anuke/mindustry/maps/Maps.java
index 8852603efa..6a36cf40c8 100644
--- a/core/src/io/anuke/mindustry/maps/Maps.java
+++ b/core/src/io/anuke/mindustry/maps/Maps.java
@@ -189,6 +189,11 @@ public class Maps{
 
         createNewPreview(map, e -> {
             maps.remove(map);
+            try{
+                map.file.delete();
+            }catch(Throwable ignored){
+
+            }
             error[0] = e;
         });
 
diff --git a/core/src/io/anuke/mindustry/world/blocks/distribution/Router.java b/core/src/io/anuke/mindustry/world/blocks/distribution/Router.java
index 1294e8a2b2..6aea6275a0 100644
--- a/core/src/io/anuke/mindustry/world/blocks/distribution/Router.java
+++ b/core/src/io/anuke/mindustry/world/blocks/distribution/Router.java
@@ -61,7 +61,7 @@ public class Router extends Block{
         int counter = tile.rotation();
         for(int i = 0; i < proximity.size; i++){
             Tile other = proximity.get((i + counter) % proximity.size);
-            if(tile == from) continue;
+            if(other == from) continue;
             if(set) tile.rotation((byte)((tile.rotation() + 1) % proximity.size));
             if(other.block().acceptItem(item, other, Edges.getFacingEdge(tile, other))){
                 return other;