diff --git a/build.gradle b/build.gradle
index 48641c6b8b..f516b4f6ef 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,7 @@ allprojects {
         appName = 'Mindustry'
         gdxVersion = '1.9.8'
         roboVMVersion = '2.3.0'
-        uCoreVersion = 'd5f892dcf1773b0f6d47d2190d139cc6342ac75f'
+        uCoreVersion = '7143baa7e05e4e852e0c299d631b291ca37950b0'
 
         getVersionString = {
             String buildVersion = getBuildVersion()
diff --git a/core/src/io/anuke/mindustry/content/Mechs.java b/core/src/io/anuke/mindustry/content/Mechs.java
index 3ea05099ed..e8898e9a84 100644
--- a/core/src/io/anuke/mindustry/content/Mechs.java
+++ b/core/src/io/anuke/mindustry/content/Mechs.java
@@ -84,7 +84,6 @@ public class Mechs implements ContentList{
                 mass = 0.9f;
                 armor = 30f;
                 weaponOffsetX = -1;
-                itemCapacity = 15;
                 weaponOffsetY = -1;
                 weapon = Weapons.shockgun;
                 trailColorTo = Color.valueOf("d3ddff");
diff --git a/core/src/io/anuke/mindustry/maps/SectorPresets.java b/core/src/io/anuke/mindustry/maps/SectorPresets.java
index 17650a87ac..6fbe532ff2 100644
--- a/core/src/io/anuke/mindustry/maps/SectorPresets.java
+++ b/core/src/io/anuke/mindustry/maps/SectorPresets.java
@@ -26,7 +26,7 @@ public class SectorPresets{
         //base tutorial mission
         add(new SectorPreset(0, 0,
             TutorialSector.getMissions(),
-            Array.with(),
+            Array.with(Items.copper, Items.coal, Items.lead),
             1));
 
         //command center mission
@@ -63,10 +63,6 @@ public class SectorPresets{
             ),
             Array.with(Items.copper, Items.lead, Items.coal, Items.titanium),
             2));
-
-        //tutorial ore presets
-        orePresets.put(0, 0, Array.with(Items.copper));
-        orePresets.put(1, 0, Array.with(Items.copper, Items.lead, Items.coal));
     }
 
     public Array<Item> getOres(int x, int y){
diff --git a/core/src/io/anuke/mindustry/maps/TutorialSector.java b/core/src/io/anuke/mindustry/maps/TutorialSector.java
index 9c857154a2..680bd27f63 100644
--- a/core/src/io/anuke/mindustry/maps/TutorialSector.java
+++ b/core/src/io/anuke/mindustry/maps/TutorialSector.java
@@ -4,16 +4,9 @@ import com.badlogic.gdx.utils.Array;
 import io.anuke.mindustry.content.Items;
 import io.anuke.mindustry.content.UnitTypes;
 import io.anuke.mindustry.content.blocks.*;
-import io.anuke.mindustry.game.EventType.WorldLoadEvent;
 import io.anuke.mindustry.maps.generation.Generation;
-import io.anuke.mindustry.maps.generation.WorldGenerator.GenResult;
 import io.anuke.mindustry.maps.missions.*;
-import io.anuke.mindustry.type.Item;
 import io.anuke.mindustry.world.Block;
-import io.anuke.mindustry.world.Tile;
-import io.anuke.mindustry.world.blocks.Floor;
-import io.anuke.ucore.core.Events;
-import io.anuke.ucore.core.Timers;
 import io.anuke.ucore.util.Bundles;
 
 import static io.anuke.mindustry.Vars.*;
@@ -41,30 +34,6 @@ public class TutorialSector{
 
             new WaveMission(2).setMessage("$tutorial.waves"),
 
-            new ActionMission(() ->
-                Timers.runTask(30f, () -> {
-                    Runnable r = () -> {
-                        Array<Item> ores = Array.with(Items.copper, Items.coal, Items.lead);
-                        GenResult res = new GenResult();
-                        for(int x = 0; x < world.width(); x++){
-                            for(int y = 0; y < world.height(); y++){
-                                Tile tile = world.tile(x, y);
-                                world.generator.generateTile(res, 0, 0, x, y, true, null, ores);
-                                if(!tile.hasCliffs()){
-                                    tile.setFloor((Floor) res.floor);
-                                }
-                            }
-                        }
-                        Events.fire(new WorldLoadEvent());
-                    };
-
-                    if(!headless){
-                        ui.loadLogic(r);
-                    }else{
-                        threads.run(r);
-                    }
-                })),
-
             new ItemMission(Items.lead, 150).setMessage("$tutorial.lead"),
             new ItemMission(Items.copper, 250).setMessage("$tutorial.morecopper"),