diff --git a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
index f9242bdd8..2d0848acc 100644
--- a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
+++ b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
@@ -735,12 +735,10 @@ open class TerrarumIngame(batch: FlippingSpriteBatch) : IngameInstance(batch) {
                                 (Toolkit.drawWidth - ui.width) / 4,
                                 (App.scr.height - ui.height) / 4 // what the fuck?
                         )
-                        if (fixture.mainUIopenFun == null) {
+//                        if (fixture.mainUIopenFun == null)
                             ui.setAsOpen()
-                        }
-                        else {
-                            fixture.mainUIopenFun!!.invoke(ui)
-                        }
+//                        else
+//                            fixture.mainUIopenFun!!.invoke(ui)
                     }
                 }
                 0L
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt
index bf1e1bcef..80bc10d5d 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt
@@ -158,7 +158,7 @@ open class FixtureBase : ActorWithBody, CuedByTerrainChange {
     @Transient var mainUI: UICanvas? = null
     var inventory: FixtureInventory? = null
 
-    @Transient var mainUIopenFun: ((UICanvas) -> Unit)? = null
+//    @Transient var mainUIopenFun: ((UICanvas) -> Unit)? = null
 
     internal var actorThatInstalledThisFixture: UUID? = null
 
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSmelterBasic.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSmelterBasic.kt
index 860d2836a..66e9663dd 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSmelterBasic.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSmelterBasic.kt
@@ -12,6 +12,7 @@ import net.torvald.terrarum.gameparticles.ParticleVanishingSprite
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.modulebasegame.TerrarumIngame
 import net.torvald.terrarum.modulebasegame.gameitems.FixtureItemBase
+import net.torvald.terrarum.modulebasegame.ui.UICrafting
 import net.torvald.terrarum.modulebasegame.ui.UIInventoryFull
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 
@@ -26,7 +27,8 @@ class FixtureSmelterBasic : FixtureBase, CraftingStation {
 
     constructor() : super(
         BlockBox(BlockBox.NO_COLLISION, 3, 4), // temporary value, will be overwritten by spawn()
-        nameFun = { Lang["ITEM_SMELTER_SMALL"] }
+        nameFun = { Lang["ITEM_SMELTER_SMALL"] },
+        mainUI = UICrafting(null)
     ) {
         CommonResourcePool.addToLoadingList("particles-tiki_smoke.tga") {
             TextureRegionPack(ModMgr.getGdxFile("basegame", "particles/bigger_smoke.tga"), 16, 16)
@@ -48,10 +50,6 @@ class FixtureSmelterBasic : FixtureBase, CraftingStation {
         }
 
         actorValue[AVKey.BASEMASS] = 100.0
-
-        mainUIopenFun = { ui ->
-            (mainUI as? UIInventoryFull)?.openCrafting(mainUI!!.handler)
-        }
     }
 
     @Transient override var lightBoxList = arrayListOf(Lightbox(Hitbox(0.0, 2*TILE_SIZED, TILE_SIZED * 2, TILE_SIZED * 2), Cvec(0.5f, 0.18f, 0f, 0f)))
@@ -74,16 +72,7 @@ class FixtureSmelterBasic : FixtureBase, CraftingStation {
     private var nextDelay = 0.25f
     private var spawnTimer = 0f
 
-    @Transient private var mainUIhookHackInstalled = false
     override fun update(delta: Float) {
-        // adding UI to the fixture as players may right-click on the workbenches instead of pressing a keyboard key
-        (INGAME as? TerrarumIngame)?.let { ingame ->
-            if (!mainUIhookHackInstalled && ingame.uiInventoryPlayerReady) {
-                mainUIhookHackInstalled = true
-                this.mainUI = ingame.uiInventoryPlayer // this field is initialised only after a full load so this hack is necessary
-            }
-        }
-
         super.update(delta)
 
 
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureWorkbench.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureWorkbench.kt
index 3f1c0f8c9..09e157413 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureWorkbench.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureWorkbench.kt
@@ -8,6 +8,7 @@ import net.torvald.terrarum.gameactors.AVKey
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.modulebasegame.TerrarumIngame
 import net.torvald.terrarum.modulebasegame.gameitems.FixtureItemBase
+import net.torvald.terrarum.modulebasegame.ui.UICrafting
 import net.torvald.terrarum.modulebasegame.ui.UIInventoryFull
 import net.torvald.terrarum.modulebasegame.ui.UIWallCalendar
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
@@ -21,7 +22,8 @@ class FixtureWorkbench : FixtureBase, CraftingStation {
 
     constructor() : super(
         BlockBox(BlockBox.ALLOW_MOVE_DOWN, 2, 1),
-        nameFun = { Lang["ITEM_WORKBENCH"] }
+        nameFun = { Lang["ITEM_WORKBENCH"] },
+        mainUI = UICrafting(null)
     ) {
         val itemImage = FixtureItemBase.getItemImageFromSingleImage("basegame", "sprites/fixtures/workbench.tga")
 
@@ -33,23 +35,6 @@ class FixtureWorkbench : FixtureBase, CraftingStation {
         }
 
         actorValue[AVKey.BASEMASS] = 20.0
-
-        mainUIopenFun = { ui ->
-            (mainUI as? UIInventoryFull)?.openCrafting(mainUI!!.handler)
-        }
-    }
-
-    @Transient private var mainUIhookHackInstalled = false
-    override fun update(delta: Float) {
-        // adding UI to the fixture as players may right-click on the workbenches instead of pressing a keyboard key
-        (INGAME as? TerrarumIngame)?.let { ingame ->
-            if (!mainUIhookHackInstalled && ingame.uiInventoryPlayerReady) {
-                mainUIhookHackInstalled = true
-                this.mainUI = ingame.uiInventoryPlayer // this field is initialised only after a full load so this hack is necessary
-            }
-        }
-
-        super.update(delta)
     }
 
 }
\ No newline at end of file
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UICrafting.kt b/src/net/torvald/terrarum/modulebasegame/ui/UICrafting.kt
index ce676ac24..a3fd217e7 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UICrafting.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UICrafting.kt
@@ -33,9 +33,6 @@ class UICrafting(val full: UIInventoryFull?) : UICanvas(
     toggleButtonLiteral = if (full == null) "control_gamepad_start" else null
 ), HasInventory {
 
-    private val catBarx: UIItemCatBar?
-        get() = full?.catBar
-
     override var width = App.scr.width
     override var height = App.scr.height