feat: remove deprecated use/station interaction model

15 files changed, 54 insertions, 278 deletions

diff --git a/building_guide/behaviors.md b/building_guide/behaviors.md
index ce266c1..8030d3d 100644
--- a/building_guide/behaviors.md
+++ b/building_guide/behaviors.md
@@ -553,29 +553,4 @@ use_interactions:
         secret_passage_open: true
 ```
 
-### Use (crafting stations)
-
-Use configs go under the `use:` key on objects (e.g. furnaces, ranges):
-
-```yaml
-name: furnace
-color: "D0"
-use:
-    message: "You place the ore in the furnace..."
-    wait: 4
-    consume:
-        copper_ore: 1
-    reward:
-        item_id: copper_bar
-        quantity: 1
-    fail_message: "The ore crumbles to dust."
-    success:
-        base: 0.60
-        per_level: 0.01
-        cap: 0.95
-    skill: smithing
-    level: 1
-    xp: 15
-```
-
 ---
diff --git a/data/.admin_history.json b/data/.admin_history.json
deleted file mode 100644
index aef303b..0000000
--- a/data/.admin_history.json
+++ /dev/null
@@ -1 +0,0 @@
-{"history":[{"time":"2026-07-05T19:16:10-04:00","description":"move items 000_test_item to root","file_path":"data/items/ammo/000_test_item.yaml","new_file_path":"data/items/000_test_item.yaml","old_content":"color: \"78\"\ncraft:\n  - end_message: \"\"\n    fail: \"\"\n    ingredients:\n      - items:\n          - headless_arrow\n        quantity: 15\n      - items:\n          - adamant_arrowtips\n        quantity: 15\n    level: 60\n    output_qty: 15\n    start_message: \"\"\n    station: []\n    subtype: \"\"\n    success_message: \"\"\n    ticks_per_cycle: 2\n    tool: \"\"\n    type: fletching\n    xp: 10\ndescription: An adamant-tipped arrow.\nequipment:\n  other:\n    ranged_strength: 31\n  slot: ammo\n  type: ammo\nfarm_harvest_xp: 0\nfarm_level: 0\nfarm_max_yield: 0\nfarm_min_yield: 0\nfarm_patch_type: herb\nfarm_plant_xp: 0\nfarm_stages: 0\nid: 000_test_item\nmax_quality: 0\nname: adamant arrow\nrecoverable: true\nstackable: true\nvalue: 20\n","new_content":"color: \"78\"\ncraft:\n  - end_message: \"\"\n    fail: \"\"\n    ingredients:\n      - items:\n          - headless_arrow\n        quantity: 15\n      - items:\n          - adamant_arrowtips\n        quantity: 15\n    level: 60\n    output_qty: 15\n    start_message: \"\"\n    station: []\n    subtype: \"\"\n    success_message: \"\"\n    ticks_per_cycle: 2\n    tool: \"\"\n    type: fletching\n    xp: 10\ndescription: An adamant-tipped arrow.\nequipment:\n  other:\n    ranged_strength: 31\n  slot: ammo\n  type: ammo\nfarm_harvest_xp: 0\nfarm_level: 0\nfarm_max_yield: 0\nfarm_min_yield: 0\nfarm_patch_type: herb\nfarm_plant_xp: 0\nfarm_stages: 0\nid: 000_test_item\nmax_quality: 0\nname: adamant arrow\nrecoverable: true\nstackable: true\nvalue: 20\n","is_delete":false,"is_create":false},{"time":"2026-07-05T19:17:20-04:00","description":"Create object bio_altar_copy","file_path":"data/objects/bio_altar_copy.yaml","old_content":"","new_content":"id: bio_altar_copy\n","is_delete":false,"is_create":true},{"time":"2026-07-05T19:17:20-04:00","description":"Update object bio_altar_copy","file_path":"data/objects/bio_altar_copy.yaml","old_content":"id: bio_altar_copy\n","new_content":"color: C4\ndescription: A sinister altar of red biological interfaces. Place scrap here with a bio identifier to produce biojunk. Type 'id' to begin.\nid: bio_altar_copy\nname: bio altar\n","is_delete":false,"is_create":false},{"time":"2026-07-05T19:17:25-04:00","description":"rename objects bio_altar_copy to 000_test_object","file_path":"data/objects/bio_altar_copy.yaml","new_file_path":"data/objects/000_test_object.yaml","old_content":"color: C4\ndescription: A sinister altar of red biological interfaces. Place scrap here with a bio identifier to produce biojunk. Type 'id' to begin.\nid: bio_altar_copy\nname: bio altar\n","new_content":"color: C4\ndescription: A sinister altar of red biological interfaces. Place scrap here with a bio identifier to produce biojunk. Type 'id' to begin.\nid: bio_altar_copy\nname: bio altar\n","is_delete":false,"is_create":false}],"redo":null}
\ No newline at end of file
diff --git a/data/objects/000_test_object.yaml b/data/objects/000_test_object.yaml
index afaee11..4efd15c 100644
--- a/data/objects/000_test_object.yaml
+++ b/data/objects/000_test_object.yaml
@@ -1,4 +1,25 @@
 color: C4
 description: A sinister altar of red biological interfaces. Place scrap here with a bio identifier to produce biojunk. Type 'id' to begin.
-id: bio_altar_copy
-name: bio altar
+gather:
+  bait: ""
+  depleted_message: ""
+  exhausted_message: ""
+  fail_message: ""
+  gather_message: ""
+  respawn_broadcast: ""
+  skill: mining
+  success:
+    base: 0
+    cap: 1
+    per_level: 0
+hidden: false
+id: 000_test_object
+name: 000 test object
+safespot:
+  decay_chance: 0
+  decay_ticks: 0
+  max_block_size: ""
+  max_occupants: 1
+  respawn_ticks: 0
+  tier: 1
+  unsafe_chance: 0
diff --git a/internal/admin/static/admin.css b/internal/admin/static/admin.css
index bef3589..1f6aeec 100644
--- a/internal/admin/static/admin.css
+++ b/internal/admin/static/admin.css
@@ -281,9 +281,9 @@ g.ud-hover:hover text{font-weight:bold}
 .panel-tab-content .section-add-btn:hover{background:var(--hover)}
 .panel-tab-content .mini-label{font-size:9px;color:#888;display:block;margin-bottom:1px;margin-top:3px}
 .panel-tab-content .mini-input{width:60px!important;display:inline-block;margin-right:4px}
-.obj-card{background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:5px;margin-bottom:10px;overflow:hidden;flex:1 1 calc(50% - 5px);min-width:340px;max-width:calc(50% - 5px)}
-.obj-card.obj-card-full{flex:1 1 100%;max-width:100%}
-.obj-fields-wrap{display:flex;flex-wrap:wrap;gap:10px}
+.obj-card{background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:5px;margin-bottom:10px;overflow:hidden;break-inside:avoid;display:inline-block;width:100%}
+.obj-card.obj-card-full{column-span:all}
+.obj-fields-wrap{column-count:2;column-gap:10px}
 .obj-card-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(15,52,96,.3);cursor:pointer;user-select:none;font-size:13px;font-weight:bold}
 .obj-card-header:hover{background:rgba(15,52,96,.5)}
 .obj-card-arrow{font-size:10px;width:14px;color:#888}
diff --git a/internal/admin/static/objecteditor.js b/internal/admin/static/objecteditor.js
index 7e2d04b..d4cca21 100644
--- a/internal/admin/static/objecteditor.js
+++ b/internal/admin/static/objecteditor.js
@@ -61,30 +61,6 @@ var SECTIONS = [
     ]
   },
   {
-    id: 'use', label: 'Use (Station)', path: 'use',
-    detect: function(d) { return d.use; },
-    fields: [
-      ['message', 'Message', 'text', 'You use the station...'],
-      ['wait', 'Wait', 'number', '4', 'narrow'],
-      ['skill', 'Skill', 'text', 'e.g. smithing'],
-      ['level', 'Level', 'number', '1', 'narrow'],
-      ['xp', 'XP', 'number', '25', 'narrow'],
-      ['fail_message', 'Fail Message', 'text', 'You fail to use the station.'],
-    ],
-    inline: [
-      {label:'Success', path:'success', fields:[
-        ['base', 'Base', 'number', '0.5', 'narrow'], ['per_level', 'Per Lvl', 'number', '0.01', 'narrow'], ['cap', 'Cap', 'number', '0.95', 'narrow']
-      ]},
-      {label:'Consume', key:'consume', type:'kv', valType:'number'},
-    ],
-    subtables: [
-      {label:'Reward', key:'reward', single:true, fields:[
-        ['item_id', 'Item ID', 'search', '', '', 'items'], ['weight', 'Weight', 'number'], ['quantity', 'Quantity', 'number'],
-        ['message', 'Message', 'text'],
-      ]}
-    ]
-  },
-  {
     id: 'safespot', label: 'Safespot', path: 'safespot',
     detect: function(d) { return d.safespot; },
     fields: [
@@ -113,18 +89,16 @@ var SECTIONS = [
     ]
   },
   {
-    id: 'on_look', label: 'On Look', path: 'on_look',
+    id: 'on_look', label: 'On Look', labelHint: '(what happens when you "look <this>")', path: 'on_look',
     detect: function(d) { return d.on_look; },
     fields: [
       ['set_flags', 'Set Flags', 'json', '{"flag":"value"}'],
       ['set_player_flags', 'Set Player Flags', 'json', '{"pflag":"value"}'],
-      ['give_item', 'Give Item', 'text', 'e.g. keycard'],
-      ['take_item', 'Take Item', 'text', 'e.g. bomb'],
+      ['give_item', 'Give Item', 'search', 'e.g. keycard', '', null, 'items'],
+      ['take_item', 'Take Item', 'search', 'e.g. bomb', '', null, 'items'],
       ['teleport', 'Teleport', 'number', '5', 'narrow'],
       ['heal', 'Heal', 'number', '10', 'narrow'],
       ['credits', 'Credits', 'number', '100', 'narrow'],
-      ['reputation_cost', 'Reputation Cost', 'number', '1', 'narrow'],
-      ['aps_node', 'APS Node', 'checkbox'],
     ]
   },
 ];
@@ -253,6 +227,8 @@ function renderCard(sec, data) {
       h += renderCoreCard(data);
     } else if (sec.id === 'steal') {
       h += renderStealCard(data);
+    } else if (sec.id === 'on_look') {
+      h += renderOnLookCard(data);
     } else {
       h += '<div class="obj-card-grid">';
       sec.fields.forEach(function(f) {
@@ -484,6 +460,24 @@ function renderStealCard(data) {
   return h;
 }
 
+function renderOnLookCard(data) {
+  var sec = SECTIONS.find(function(s) { return s.id === 'on_look'; });
+  var h = '<div style="display:flex;gap:10px">';
+  h += renderField(sec, sec.fields[0], data, -1, null, 'flex:1');
+  h += renderField(sec, sec.fields[1], data, -1, null, 'flex:1');
+  h += '</div>';
+  h += '<div style="display:flex;gap:10px;margin-top:8px">';
+  h += renderField(sec, sec.fields[2], data, -1, null, 'flex:1');
+  h += renderField(sec, sec.fields[3], data, -1, null, 'flex:1');
+  h += '</div>';
+  h += '<div style="display:flex;gap:10px;margin-top:8px">';
+  h += renderField(sec, sec.fields[4], data, -1);
+  h += renderField(sec, sec.fields[5], data, -1);
+  h += renderField(sec, sec.fields[6], data, -1);
+  h += '</div>';
+  return h;
+}
+
 function renderArraySection(sec, data) {
   var arr = data[cardPath(sec)] || [];
   var h = '';
@@ -783,8 +777,6 @@ function addSection() {
       objectData[sec.path] = {};
     } else if (sec.id === 'gather') {
       objectData[sec.path] = {skill:'', tools:[], success:{base:0, per_level:0, cap:1}, drops:[], gather_message:'', fail_message:'', respawn_timer:0, respawn_broadcast:'', deplete_timer:0, nest_chance:0};
-    } else if (sec.id === 'use') {
-      objectData[sec.path] = {message:'', wait:1, consume:{}, reward:{}, fail_message:'', success:{base:0, per_level:0, cap:1}, skill:'', level:1, xp:0};
     } else if (sec.id === 'safespot') {
       objectData[sec.path] = {tier:1, max_block_size:'', max_occupants:1, unsafe_chance:0, decay_ticks:0, decay_chance:0, respawn_on_hide:false, respawn_ticks:0, levels:[]};
     } else {
diff --git a/internal/behavior/behavior.go b/internal/behavior/behavior.go
index 06e2715..7d8ce8f 100644
--- a/internal/behavior/behavior.go
+++ b/internal/behavior/behavior.go
@@ -153,17 +153,4 @@ type Condition struct {
 	AnyOf      []Condition `yaml:"any_of"`
 }
 
-type UseConfig struct {
-	StartMessage     string          `yaml:"start_message"`
-	TicksPerCycle    float64         `yaml:"ticks_per_cycle"`
-	Consume          map[string]int  `yaml:"consume"`
-	Reward           DropEntry       `yaml:"reward"`
-	FailMessage      string          `yaml:"fail_message"`
-	Success          *SuccessFormula `yaml:"success"`
-	Skill            string          `yaml:"skill"`
-	Level            int             `yaml:"level"`
-	XP               int             `yaml:"xp"`
-	SuccessMessage   string          `yaml:"success_message"`
-	EndMessage       string          `yaml:"end_message"`
-	BroadcastMessage string          `yaml:"broadcast_message"`
-}
+
diff --git a/internal/behavior/types.go b/internal/behavior/types.go
index 5fdebdb..99f09a0 100644
--- a/internal/behavior/types.go
+++ b/internal/behavior/types.go
@@ -31,7 +31,6 @@ const (
 	TypeGather         ActionType = "gather"
 	TypeSteal          ActionType = "steal"
 	TypeTalk           ActionType = "talk"
-	TypeUse            ActionType = "use"
 	TypeBurn           ActionType = "burn"
 	TypeStoke          ActionType = "stoke"
 	TypeSearch         ActionType = "search"
@@ -117,11 +116,6 @@ type TalkData struct {
 	PendingChosen   bool
 }
 
-type UseData struct {
-	Cfg  *UseConfig
-	Step int
-}
-
 type UseInteractionData struct {
 	Message string
 	Action  *NodeAction
diff --git a/internal/game/act.go b/internal/game/act.go
index 9e07886..f2ea121 100644
--- a/internal/game/act.go
+++ b/internal/game/act.go
@@ -178,8 +178,6 @@ func (g *Game) startAction(sess *net.Session, verb, target string) {
 		} else {
 			g.startTalk(sess, p, obj)
 		}
-	case "use":
-		g.startUse(sess, p, obj)
 	default:
 		sess.WriteLine(fmt.Sprintf("You can't %s that.", verb))
 	}
@@ -210,8 +208,6 @@ func (g *Game) AdvanceActions() {
 		switch p.Action.Type {
 		case "gather":
 			g.advanceGather(sess, p)
-		case "use":
-			g.advanceUse(sess, p)
 		case "burn":
 			g.advanceBurn(sess, p)
 		case "stoke":
diff --git a/internal/game/act_state.go b/internal/game/act_state.go
index efc5f7d..3840c63 100644
--- a/internal/game/act_state.go
+++ b/internal/game/act_state.go
@@ -45,8 +45,6 @@ func (g *Game) playerActionDisplay(p *player.Player) string {
 			return "stealing from " + a.TargetName
 		case behavior.TypeTalk:
 			return "talking to " + a.TargetName
-		case behavior.TypeUse:
-			return "using a " + a.TargetName
 		case behavior.TypeBurn:
 			return "trying to start a fire"
 		case behavior.TypeStoke:
diff --git a/internal/game/act_use.go b/internal/game/act_use.go
deleted file mode 100644
index dcddd52..0000000
--- a/internal/game/act_use.go
+++ /dev/null
@@ -1,141 +0,0 @@
-package game
-
-import (
-	"fmt"
-	"math/rand"
-	"strings"
-
-	"thehouseoficarus/internal/behavior"
-	"thehouseoficarus/internal/engine"
-	"thehouseoficarus/internal/net"
-	"thehouseoficarus/internal/object"
-	"thehouseoficarus/internal/player"
-)
-
-func (g *Game) startUse(sess *net.Session, p *player.Player, obj *object.ObjectDef) {
-	cfg := obj.Use
-	if cfg == nil {
-		sess.WriteLine("You can't use this.")
-		return
-	}
-
-	for itemID := range cfg.Consume {
-		if !p.HasItem(itemID) {
-			defName := itemID
-			if def, err := g.ItemStore.Load(itemID); err == nil {
-				defName = g.itemColorize(sess, def, def.Name)
-			}
-			sess.WriteLine(fmt.Sprintf("You need %s to use this.", defName))
-			return
-		}
-	}
-
-	if cfg.Success == nil && p.FirstFreeSlot() == -1 {
-		sess.WriteLine("Your inventory is full.")
-		return
-	}
-
-	if cfg.BroadcastMessage != "" {
-		g.broadcastAction(sess, strings.ReplaceAll(cfg.BroadcastMessage, "%o", obj.Name), p.Name)
-	} else {
-		g.broadcastAction(sess, "%s uses the %s.", p.Name, obj.Name)
-	}
-
-	p.Action = &behavior.Action{
-		Type:       "use",
-		TargetID:   obj.ID,
-		TargetName: obj.Name,
-		WaitLeft:   engine.ToTicks(1),
-		Data:       &behavior.UseData{Cfg: cfg, Step: 0},
-	}
-
-	sess.WriteLine(fmt.Sprintf("%s", cfg.StartMessage))
-}
-
-func (g *Game) advanceUse(sess *net.Session, p *player.Player) {
-	d, ok := p.Action.Data.(*behavior.UseData)
-	if !ok || d == nil || d.Cfg == nil {
-		g.cancelAction(p)
-		return
-	}
-	cfg := d.Cfg
-
-	for itemID, qty := range cfg.Consume {
-		if !p.HasItem(itemID) {
-			defName := itemID
-			if def, err := g.ItemStore.Load(itemID); err == nil {
-				defName = g.itemColorize(sess, def, def.Name)
-			}
-			sess.WriteLine(fmt.Sprintf("You've run out of %s.", defName))
-			g.cancelAction(p)
-			return
-		}
-		if !p.RemoveItem(itemID, qty) {
-			sess.WriteLine(fmt.Sprintf("You need %d of %s.", qty, itemID))
-			g.cancelAction(p)
-			return
-		}
-	}
-
-	if cfg.Success != nil {
-		skillLevel := p.Level(player.SkillName(cfg.Skill))
-		chance := behavior.SuccessChance(*cfg.Success, skillLevel, cfg.Level)
-		if rand.Float64() >= chance {
-			if cfg.FailMessage != "" {
-				sess.WriteLine(cfg.FailMessage)
-			}
-			p.Action.WaitLeft = engine.ToTicks(cfg.TicksPerCycle)
-			return
-		}
-	}
-
-	freeSlot := p.FirstFreeSlot()
-	if freeSlot == -1 {
-		sess.WriteLine("Your inventory is full.")
-		g.cancelAction(p)
-		return
-	}
-
-	qty := cfg.Reward.Quantity
-	if qty <= 0 {
-		qty = 1
-	}
-
-	p.SetInvSlot(freeSlot, &player.InventorySlot{ItemID: cfg.Reward.ItemID, Quantity: qty})
-	if cfg.XP > 0 {
-		g.awardSkillXP(sess, p, player.SkillName(cfg.Skill), cfg.XP)
-	}
-	g.AccountStore.SaveCharacter(p)
-
-	itemName := cfg.Reward.ItemID
-	rewardDef, _ := g.ItemStore.Load(cfg.Reward.ItemID)
-	if rewardDef != nil {
-		itemName = rewardDef.Name
-	}
-	coloredName := g.itemColorize(sess, rewardDef, itemName)
-
-	var line string
-	if cfg.SuccessMessage != "" {
-		line = strings.ReplaceAll(cfg.SuccessMessage, "%n", coloredName)
-	} else {
-		line = fmt.Sprintf("You make a %s.", coloredName)
-	}
-	if cfg.XP > 0 && p.OptionBool("xp_drops") {
-		line += g.formatXpDropSingle(sess, p, player.SkillName(cfg.Skill), cfg.XP)
-	}
-	sess.WriteLine(line)
-
-	if p.FirstFreeSlot() == -1 {
-		if cfg.EndMessage != "" {
-			sess.WriteLine(cfg.EndMessage)
-		}
-		sess.WriteLine("Your inventory is full.")
-		g.cancelAction(p)
-		return
-	}
-	if cfg.EndMessage != "" {
-		sess.WriteLine(cfg.EndMessage)
-	}
-
-	p.Action.WaitLeft = engine.ToTicks(cfg.TicksPerCycle)
-}
diff --git a/internal/game/cmd_use.go b/internal/game/cmd_use.go
index 8540074..22fc169 100644
--- a/internal/game/cmd_use.go
+++ b/internal/game/cmd_use.go
@@ -68,7 +68,7 @@ func (g *Game) doUse(sess *net.Session, input string) {
 		return
 	}
 
-	g.startAction(sess, "use", input)
+	sess.WriteLine("You can't use that.")
 }
 
 func (g *Game) useRoomObject(sess *net.Session, p *player.Player, input string) bool {
@@ -214,7 +214,7 @@ func (g *Game) doUseItemOnTarget(sess *net.Session, p *player.Player, itemAName,
 		objSt := &objInstances[0]
 		def, _ := g.ObjectStore.Load(objSt.DefID)
 		if def == nil {
-			g.startAction(sess, "use", itemBName)
+			sess.WriteLine("You can't use that.")
 			return
 		}
 
@@ -305,7 +305,7 @@ func (g *Game) doUseItemOnTarget(sess *net.Session, p *player.Player, itemAName,
 			return
 		}
 
-		g.startAction(sess, "use", itemBName)
+		sess.WriteLine("You can't use that.")
 		return
 	}
 
diff --git a/internal/game/cmd_verbs.go b/internal/game/cmd_verbs.go
index 57db0a6..e4f1fa1 100644
--- a/internal/game/cmd_verbs.go
+++ b/internal/game/cmd_verbs.go
@@ -75,10 +75,6 @@ func (g *Game) executeVerbs(sess *net.Session, args []string, rawInput string) {
 			addUnique(&sectionObjs, &seen, "talk "+name)
 		}
 
-		if bt == "use" {
-			addUnique(&sectionObjs, &seen, "use "+name)
-		}
-
 		for _, ui := range def.UseInteractions {
 			if ui.Item == "" && (ui.Condition == nil || g.checkCondition(sess, ui.Condition)) {
 				addUnique(&sectionObjs, &seen, "use "+name)
diff --git a/internal/object/object.go b/internal/object/object.go
index 5b45a91..89f01a4 100644
--- a/internal/object/object.go
+++ b/internal/object/object.go
@@ -31,7 +31,6 @@ type ObjectDef struct {
 
 	Gather   *behavior.GatherConfig `yaml:"gather,omitempty"`
 	Talk     *behavior.TalkConfig   `yaml:"talk,omitempty"`
-	Use      *behavior.UseConfig    `yaml:"use,omitempty"`
 	Safespot *SafespotConfig        `yaml:"safespot,omitempty"`
 	OnLook   *behavior.NodeAction   `yaml:"on_look,omitempty"`
 }
@@ -55,10 +54,9 @@ type SafespotLevel struct {
 
 func (d *ObjectDef) IsGatherable() bool { return d.Gather != nil }
 func (d *ObjectDef) IsTalkable() bool   { return d.Talk != nil }
-func (d *ObjectDef) IsUsable() bool     { return d.Use != nil }
 func (d *ObjectDef) IsSafespot() bool   { return d.Safespot != nil }
 func (d *ObjectDef) IsInteractable() bool {
-	return d.Gather != nil || d.Talk != nil || d.Use != nil || d.Safespot != nil
+	return d.Gather != nil || d.Talk != nil || d.Safespot != nil
 }
 
 func (d *ObjectDef) BehaviorType() string {
@@ -67,8 +65,6 @@ func (d *ObjectDef) BehaviorType() string {
 		return "gather"
 	case d.Talk != nil:
 		return "talk"
-	case d.Use != nil:
-		return "use"
 	case d.Safespot != nil:
 		return "safespot"
 	}
diff --git a/internal/validate/checks.go b/internal/validate/checks.go
index 0fc5b8f..41b34e0 100644
--- a/internal/validate/checks.go
+++ b/internal/validate/checks.go
@@ -189,9 +189,6 @@ func validateLocalObject(roomID int, robj world.RoomObject, itemIDs map[string]b
 	if def.Talk != nil {
 		bad = append(bad, "talk")
 	}
-	if def.Use != nil {
-		bad = append(bad, "use")
-	}
 	if def.Safespot != nil {
 		bad = append(bad, "safespot")
 	}
@@ -587,9 +584,6 @@ func validateObjects(s Source) []Issue {
 			issues = append(issues, validateTalkConfig(fmt.Sprintf("Object %q: talk", id), obj.Talk, itemIDs, roomIndex)...)
 		}
 
-		if obj.Use != nil {
-			issues = append(issues, validateUseConfig(fmt.Sprintf("Object %q: use", id), obj.Use, itemIDs)...)
-		}
 
 		if obj.OnLook != nil {
 			issues = append(issues, validateNodeAction(fmt.Sprintf("Object %q: on_look", id), obj.OnLook, itemIDs, roomIndex)...)
@@ -1234,35 +1228,6 @@ func validateExitReciprocity(s Source) []Issue {
 
 	return issues
 }
-func validateUseConfig(prefix string, cfg *behavior.UseConfig, itemIDs map[string]bool) []Issue {
-	var issues []Issue
-	if cfg == nil {
-		return issues
-	}
-
-	for itemID := range cfg.Consume {
-		if itemID != "" && !itemIDs[itemID] {
-			issues = append(issues, Issue{
-				Level: "ERROR",
-				Type:  "reference",
-				Message: fmt.Sprintf("%s: consumes nonexistent item %q",
-					prefix, itemID),
-			})
-		}
-	}
-
-	if cfg.Reward.ItemID != "" && !itemIDs[cfg.Reward.ItemID] {
-		issues = append(issues, Issue{
-			Level: "ERROR",
-			Type:  "reference",
-			Message: fmt.Sprintf("%s: reward item %q does not exist",
-				prefix, cfg.Reward.ItemID),
-		})
-	}
-
-	return issues
-}
-
 func validateNodeAction(prefix string, na *behavior.NodeAction, itemIDs map[string]bool, roomIndex map[int]bool) []Issue {
 	var issues []Issue
 	if na == nil {
diff --git a/internal/world/room.go b/internal/world/room.go
index f66ce1d..9aa93f0 100644
--- a/internal/world/room.go
+++ b/internal/world/room.go
@@ -213,7 +213,6 @@ func (ro RoomObject) MarshalYAML() (interface{}, error) {
 			Steal             *object.ObjectSteal     `yaml:"steal,omitempty"`
 			Gather            *behavior.GatherConfig  `yaml:"gather,omitempty"`
 			Talk              *behavior.TalkConfig    `yaml:"talk,omitempty"`
-			Use               *behavior.UseConfig     `yaml:"use,omitempty"`
 			Safespot          *object.SafespotConfig  `yaml:"safespot,omitempty"`
 			OnLook            *behavior.NodeAction    `yaml:"on_look,omitempty"`
 		}
@@ -230,7 +229,6 @@ func (ro RoomObject) MarshalYAML() (interface{}, error) {
 			Steal:             def.Steal,
 			Gather:            def.Gather,
 			Talk:              def.Talk,
-			Use:               def.Use,
 			Safespot:          def.Safespot,
 			OnLook:            def.OnLook,
 		}, nil