diff --git a/core/src/mindustry/content/Zones.java b/core/src/mindustry/content/Zones.java
index e224ee7b5a..0c337151b9 100644
--- a/core/src/mindustry/content/Zones.java
+++ b/core/src/mindustry/content/Zones.java
@@ -1,15 +1,15 @@
 package mindustry.content;
 
-import mindustry.ctype.ContentList;
-import mindustry.game.*;
+import mindustry.ctype.*;
 import mindustry.game.Objectives.*;
+import mindustry.game.*;
 import mindustry.maps.generators.*;
-import mindustry.maps.generators.MapGenerator.*;
 import mindustry.maps.zonegen.*;
 import mindustry.type.*;
 
 import static arc.struct.Array.with;
 import static mindustry.content.Items.*;
+import static mindustry.content.Planets.starter;
 import static mindustry.type.ItemStack.list;
 
 public class Zones implements ContentList{
diff --git a/core/src/mindustry/maps/filters/NoiseFilter.java b/core/src/mindustry/maps/filters/NoiseFilter.java
index bfde903e7a..8635966486 100644
--- a/core/src/mindustry/maps/filters/NoiseFilter.java
+++ b/core/src/mindustry/maps/filters/NoiseFilter.java
@@ -1,5 +1,6 @@
 package mindustry.maps.filters;
 
+import arc.util.*;
 import mindustry.content.Blocks;
 import mindustry.maps.filters.FilterOption.BlockOption;
 import mindustry.maps.filters.FilterOption.SliderOption;
diff --git a/core/src/mindustry/maps/filters/OreFilter.java b/core/src/mindustry/maps/filters/OreFilter.java
index 76aaaf5ae1..91c989e151 100644
--- a/core/src/mindustry/maps/filters/OreFilter.java
+++ b/core/src/mindustry/maps/filters/OreFilter.java
@@ -1,5 +1,6 @@
 package mindustry.maps.filters;
 
+import arc.util.*;
 import mindustry.content.Blocks;
 import mindustry.maps.filters.FilterOption.SliderOption;
 import mindustry.world.Block;
diff --git a/core/src/mindustry/maps/filters/OreMedianFilter.java b/core/src/mindustry/maps/filters/OreMedianFilter.java
index 92dfaf0898..519b642ab4 100644
--- a/core/src/mindustry/maps/filters/OreMedianFilter.java
+++ b/core/src/mindustry/maps/filters/OreMedianFilter.java
@@ -2,6 +2,7 @@ package mindustry.maps.filters;
 
 import arc.struct.*;
 import arc.math.*;
+import arc.util.*;
 import mindustry.*;
 import mindustry.content.*;
 import mindustry.maps.filters.FilterOption.*;
diff --git a/core/src/mindustry/maps/filters/RiverNoiseFilter.java b/core/src/mindustry/maps/filters/RiverNoiseFilter.java
index 87d433c9c8..79755e1e8e 100644
--- a/core/src/mindustry/maps/filters/RiverNoiseFilter.java
+++ b/core/src/mindustry/maps/filters/RiverNoiseFilter.java
@@ -1,5 +1,6 @@
 package mindustry.maps.filters;
 
+import arc.util.*;
 import mindustry.content.Blocks;
 import mindustry.maps.filters.FilterOption.BlockOption;
 import mindustry.maps.filters.FilterOption.SliderOption;
diff --git a/core/src/mindustry/maps/filters/ScatterFilter.java b/core/src/mindustry/maps/filters/ScatterFilter.java
index 0deabd6b2e..dd4f0cc7b7 100644
--- a/core/src/mindustry/maps/filters/ScatterFilter.java
+++ b/core/src/mindustry/maps/filters/ScatterFilter.java
@@ -1,5 +1,6 @@
 package mindustry.maps.filters;
 
+import arc.util.*;
 import mindustry.content.Blocks;
 import mindustry.maps.filters.FilterOption.BlockOption;
 import mindustry.maps.filters.FilterOption.SliderOption;
diff --git a/core/src/mindustry/maps/filters/TerrainFilter.java b/core/src/mindustry/maps/filters/TerrainFilter.java
index ec0d87ce8c..b51e938633 100644
--- a/core/src/mindustry/maps/filters/TerrainFilter.java
+++ b/core/src/mindustry/maps/filters/TerrainFilter.java
@@ -1,6 +1,7 @@
 package mindustry.maps.filters;
 
 import arc.math.Mathf;
+import arc.util.*;
 import mindustry.content.Blocks;
 import mindustry.maps.filters.FilterOption.BlockOption;
 import mindustry.maps.filters.FilterOption.SliderOption;