diff --git a/core/src/mindustry/world/Block.java b/core/src/mindustry/world/Block.java
index 392827be9d..7fa2c17d5b 100644
--- a/core/src/mindustry/world/Block.java
+++ b/core/src/mindustry/world/Block.java
@@ -556,17 +556,17 @@ public class Block extends UnlockableContent{
         return cacheLayer == CacheLayer.walls;
     }
 
-    protected void requirements(Category cat, ItemStack[] stacks, boolean unlocked){
+    public void requirements(Category cat, ItemStack[] stacks, boolean unlocked){
         requirements(cat, BuildVisibility.shown, stacks);
         this.alwaysUnlocked = unlocked;
     }
 
-    protected void requirements(Category cat, ItemStack[] stacks){
+    public void requirements(Category cat, ItemStack[] stacks){
         requirements(cat, BuildVisibility.shown, stacks);
     }
 
     /** Sets up requirements. Use only this method to set up requirements. */
-    protected void requirements(Category cat, BuildVisibility visible, ItemStack[] stacks){
+    public void requirements(Category cat, BuildVisibility visible, ItemStack[] stacks){
         this.category = cat;
         this.requirements = stacks;
         this.buildVisibility = visible;
diff --git a/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java b/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java
index 9d1c29a69b..6cd731aa80 100644
--- a/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java
+++ b/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java
@@ -27,7 +27,7 @@ public class ItemTurret extends Turret{
     }
 
     /** Initializes accepted ammo map. Format: [item1, bullet1, item2, bullet2...] */
-    protected void ammo(Object... objects){
+    public void ammo(Object... objects){
         ammoTypes = OrderedMap.of(objects);
     }
 
diff --git a/core/src/mindustry/world/blocks/distribution/Conveyor.java b/core/src/mindustry/world/blocks/distribution/Conveyor.java
index 39210efe06..a76542f92b 100644
--- a/core/src/mindustry/world/blocks/distribution/Conveyor.java
+++ b/core/src/mindustry/world/blocks/distribution/Conveyor.java
@@ -33,7 +33,7 @@ public class Conveyor extends Block implements Autotiler{
     public float speed = 0f;
     public float displayedSpeed = 0f;
 
-    protected Conveyor(String name){
+    public Conveyor(String name){
         super(name);
         rotate = true;
         update = true;