diff --git a/backend/app/Savor22b.Tests/Action/RemoveInstalledKitchenEquipmentActionTests.cs b/backend/app/Savor22b.Tests/Action/UninstallKitchenEquipmentActionTests.cs
similarity index 89%
rename from backend/app/Savor22b.Tests/Action/RemoveInstalledKitchenEquipmentActionTests.cs
rename to backend/app/Savor22b.Tests/Action/UninstallKitchenEquipmentActionTests.cs
index 13d73e8a..35dc47fa 100644
--- a/backend/app/Savor22b.Tests/Action/RemoveInstalledKitchenEquipmentActionTests.cs
+++ b/backend/app/Savor22b.Tests/Action/UninstallKitchenEquipmentActionTests.cs
@@ -9,9 +9,9 @@ namespace Savor22b.Tests.Action;
 using Savor22b.States;
 using Xunit;
 
-public class RemoveInstalledKitchenEquipmentActionTests : ActionTests
+public class UninstallKitchenEquipmentActionTests : ActionTests
 {
-    public RemoveInstalledKitchenEquipmentActionTests() { }
+    public UninstallKitchenEquipmentActionTests() { }
 
     private readonly Guid EquipmentStateId = new();
 
@@ -38,8 +38,8 @@ public void Execute_Success_Normal()
 
         beforeState = beforeState.SetState(SignerAddress(), beforeRootState.Serialize());
 
-        var action = new RemoveInstalledKitchenEquipmentAction(
-            beforeRootState.InventoryState.KitchenEquipmentStateList[0].StateID
+        var action = new UninstallKitchenEquipmentAction(
+            1
         );
 
         var afterState = action.Execute(
@@ -87,7 +87,7 @@ public void Execute_Failure_NotInstalledKitchenEquipment()
 
         beforeState = beforeState.SetState(SignerAddress(), beforeRootState.Serialize());
 
-        var action = new RemoveInstalledKitchenEquipmentAction(Guid.NewGuid());
+        var action = new UninstallKitchenEquipmentAction(1);
 
         Assert.Throws<InvalidValueException>(() =>
         {
diff --git a/backend/app/Savor22b/Action/RemoveInstalledKitchenEquipmentAction.cs b/backend/app/Savor22b/Action/UninstallKitchenEquipmentAction.cs
similarity index 65%
rename from backend/app/Savor22b/Action/RemoveInstalledKitchenEquipmentAction.cs
rename to backend/app/Savor22b/Action/UninstallKitchenEquipmentAction.cs
index e9062414..4f57b850 100644
--- a/backend/app/Savor22b/Action/RemoveInstalledKitchenEquipmentAction.cs
+++ b/backend/app/Savor22b/Action/UninstallKitchenEquipmentAction.cs
@@ -8,27 +8,27 @@ namespace Savor22b.Action;
 using Libplanet.Headless.Extensions;
 using Libplanet.State;
 
-[ActionType(nameof(RemoveInstalledKitchenEquipmentAction))]
-public class RemoveInstalledKitchenEquipmentAction : SVRAction
+[ActionType(nameof(UninstallKitchenEquipmentAction))]
+public class UninstallKitchenEquipmentAction : SVRAction
 {
-    public RemoveInstalledKitchenEquipmentAction() { }
+    public UninstallKitchenEquipmentAction() { }
 
-    public RemoveInstalledKitchenEquipmentAction(Guid installedEquipmentStateId)
+    public UninstallKitchenEquipmentAction(int spaceNumber)
     {
-        InstalledEquipmentStateId = installedEquipmentStateId;
+        SpaceNumber = spaceNumber;
     }
 
-    public Guid InstalledEquipmentStateId { get; private set; }
+    public int SpaceNumber { get; private set; }
 
     protected override IImmutableDictionary<string, IValue> PlainValueInternal =>
         new Dictionary<string, IValue>()
         {
-            [nameof(InstalledEquipmentStateId)] = InstalledEquipmentStateId.Serialize(),
+            [nameof(SpaceNumber)] = SpaceNumber.Serialize(),
         }.ToImmutableDictionary();
 
     protected override void LoadPlainValueInternal(IImmutableDictionary<string, IValue> plainValue)
     {
-        InstalledEquipmentStateId = plainValue[nameof(InstalledEquipmentStateId)].ToGuid();
+        SpaceNumber = plainValue[nameof(SpaceNumber)].ToInteger();
     }
 
     public override IAccountStateDelta Execute(IActionContext ctx)
@@ -49,7 +49,7 @@ public override IAccountStateDelta Execute(IActionContext ctx)
 
         KitchenState kitchenState = rootState.VillageState!.HouseState.KitchenState;
 
-        kitchenState.RemoveInstalledEquipment(InstalledEquipmentStateId);
+        kitchenState.UninstalledEquipment(SpaceNumber);
 
         return states.SetState(ctx.Signer, rootState.Serialize());
     }
diff --git a/backend/app/Savor22b/GraphTypes/Query/Query.cs b/backend/app/Savor22b/GraphTypes/Query/Query.cs
index adfb90cf..6814f394 100644
--- a/backend/app/Savor22b/GraphTypes/Query/Query.cs
+++ b/backend/app/Savor22b/GraphTypes/Query/Query.cs
@@ -756,7 +756,7 @@ swarm is null
         AddField(new VillageField(blockChain, subject));
         AddField(new ShowMeTheMoney(blockChain, swarm));
         AddField(new ConquestDungeonActionQuery(blockChain, swarm));
-        AddField(new RemoveInstalledKitchenEquipmentActionQuery(blockChain, swarm));
+        AddField(new UninstallKitchenEquipmentActionQuery(blockChain, swarm));
         AddField(new PeriodicDungeonRewardActionQuery(blockChain, swarm));
 
         Field<NonNullGraphType<IntGraphType>>(
diff --git a/backend/app/Savor22b/GraphTypes/Query/RemoveInstalledKitchenEquipmentActionQuery.cs b/backend/app/Savor22b/GraphTypes/Query/UninstallKitchenEquipmentActionQuery.cs
similarity index 71%
rename from backend/app/Savor22b/GraphTypes/Query/RemoveInstalledKitchenEquipmentActionQuery.cs
rename to backend/app/Savor22b/GraphTypes/Query/UninstallKitchenEquipmentActionQuery.cs
index 873f57da..7bde0330 100644
--- a/backend/app/Savor22b/GraphTypes/Query/RemoveInstalledKitchenEquipmentActionQuery.cs
+++ b/backend/app/Savor22b/GraphTypes/Query/UninstallKitchenEquipmentActionQuery.cs
@@ -8,12 +8,12 @@ namespace Savor22b.GraphTypes.Query;
 using Libplanet.Net;
 using Savor22b.Action;
 
-public class RemoveInstalledKitchenEquipmentActionQuery : FieldType
+public class UninstallKitchenEquipmentActionQuery : FieldType
 {
-    public RemoveInstalledKitchenEquipmentActionQuery(BlockChain blockChain, Swarm swarm)
+    public UninstallKitchenEquipmentActionQuery(BlockChain blockChain, Swarm swarm)
         : base()
     {
-        Name = "createAction_RemoveInstalledKitchenEquipmentActionQuery";
+        Name = "createAction_UninstallKitchenEquipmentActionQuery";
         Type = typeof(NonNullGraphType<StringGraphType>);
         Description = "설치된 큰 조리도구를 설치 제거합니다.";
         Arguments = new QueryArguments(
@@ -22,10 +22,10 @@ public RemoveInstalledKitchenEquipmentActionQuery(BlockChain blockChain, Swarm s
                 Name = "publicKey",
                 Description = "대상 유저의 40-hex 형태의 address 입니다.",
             },
-            new QueryArgument<NonNullGraphType<GuidGraphType>>
+            new QueryArgument<NonNullGraphType<IntGraphType>>
             {
-                Name = "installedEquipmentStateId",
-                Description = "제거하려는 설치된 큰 조리도구의 State Id(Guid) 입니다.",
+                Name = "spaceNumber",
+                Description = "제거하려는 설치된 큰 조리도구의 설치공간 번호 입니다.",
             }
         );
         Resolver = new FuncFieldResolver<string>(context =>
@@ -36,8 +36,8 @@ public RemoveInstalledKitchenEquipmentActionQuery(BlockChain blockChain, Swarm s
                     Libplanet.ByteUtil.ParseHex(context.GetArgument<string>("publicKey"))
                 );
 
-                var action = new RemoveInstalledKitchenEquipmentAction(
-                    context.GetArgument<Guid>("installedEquipmentStateId")
+                var action = new UninstallKitchenEquipmentAction(
+                    context.GetArgument<int>("spaceNumber")
                 );
 
                 return new GetUnsignedTransactionHex(
diff --git a/backend/app/Savor22b/States/KitchenState.cs b/backend/app/Savor22b/States/KitchenState.cs
index a655a9ee..b6403644 100644
--- a/backend/app/Savor22b/States/KitchenState.cs
+++ b/backend/app/Savor22b/States/KitchenState.cs
@@ -80,27 +80,15 @@ int spaceNumber
         }
     }
 
-    public void RemoveInstalledEquipment(Guid stateId)
+    public void UninstalledEquipment(int spaceNumber)
     {
-        if (FirstApplianceSpace.InstalledKitchenEquipmentStateId == stateId)
-        {
-            FirstApplianceSpace.UnInstallKitchenEquipment();
-            return;
-        }
-
-        if (SecondApplianceSpace.InstalledKitchenEquipmentStateId == stateId)
-        {
-            SecondApplianceSpace.UnInstallKitchenEquipment();
-            return;
-        }
-
-        if (ThirdApplianceSpace.InstalledKitchenEquipmentStateId == stateId)
+        var applianceSpace = GetApplianceSpaceStateByNumber(spaceNumber);
+        if (applianceSpace.InstalledKitchenEquipmentStateId is null)
         {
-            ThirdApplianceSpace.UnInstallKitchenEquipment();
-            return;
+            throw new InvalidValueException($"The space {spaceNumber} is not installed any kitchen equipment.");
         }
 
-        throw new InvalidValueException($"The equipment with the id {stateId} is not installed.");
+        applianceSpace.UnInstallKitchenEquipment();
     }
 
     public ApplianceSpaceState GetApplianceSpaceStateByNumber(int spaceNumber)