diff --git a/Filtration.ObjectModel.Tests/Filtration.ObjectModel.Tests.csproj b/Filtration.ObjectModel.Tests/Filtration.ObjectModel.Tests.csproj
index 3012e7a..1780f73 100644
--- a/Filtration.ObjectModel.Tests/Filtration.ObjectModel.Tests.csproj
+++ b/Filtration.ObjectModel.Tests/Filtration.ObjectModel.Tests.csproj
@@ -50,6 +50,7 @@
     <Compile Include="TestItemFilterBlock.cs" />
     <Compile Include="TestItemFilterBlockGroup.cs" />
     <Compile Include="TestItemFilterScript.cs" />
+    <Compile Include="ThemeEditor\TestThemeComponentCollection.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Filtration.ObjectModel\Filtration.ObjectModel.csproj">
@@ -60,6 +61,7 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Filtration.ObjectModel/Filtration.ObjectModel.csproj b/Filtration.ObjectModel/Filtration.ObjectModel.csproj
index 3e88591..be65406 100644
--- a/Filtration.ObjectModel/Filtration.ObjectModel.csproj
+++ b/Filtration.ObjectModel/Filtration.ObjectModel.csproj
@@ -83,6 +83,7 @@
     <Compile Include="ReplaceColorsParameterSet.cs" />
     <Compile Include="ThemeEditor\Theme.cs" />
     <Compile Include="ThemeEditor\ThemeComponent.cs" />
+    <Compile Include="ThemeEditor\ThemeComponentCollection.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Filtration.ObjectModel/ItemFilterScript.cs b/Filtration.ObjectModel/ItemFilterScript.cs
index 42b1a3c..57e8fac 100644
--- a/Filtration.ObjectModel/ItemFilterScript.cs
+++ b/Filtration.ObjectModel/ItemFilterScript.cs
@@ -16,13 +16,13 @@ namespace Filtration.ObjectModel
             {
                 new ItemFilterBlockGroup("Root", null)
             };
-            ThemeComponents = new List<ThemeComponent>();
+            ThemeComponents = new ThemeComponentCollection { IsMasterCollection = true};
         }
 
         public ObservableCollection<ItemFilterBlock> ItemFilterBlocks { get; private set; }
         public ObservableCollection<ItemFilterBlockGroup> ItemFilterBlockGroups { get; private set; }
 
-        public List<ThemeComponent> ThemeComponents { get; set; } 
+        public ThemeComponentCollection ThemeComponents { get; set; } 
 
         public string FilePath { get; set; }
         public string Description { get; set; }
diff --git a/Filtration.ObjectModel/ThemeEditor/Theme.cs b/Filtration.ObjectModel/ThemeEditor/Theme.cs
index 739c37f..954a2c8 100644
--- a/Filtration.ObjectModel/ThemeEditor/Theme.cs
+++ b/Filtration.ObjectModel/ThemeEditor/Theme.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Windows.Media;
 using Filtration.ObjectModel.Enums;
 
@@ -8,24 +9,26 @@ namespace Filtration.ObjectModel.ThemeEditor
     [Serializable]
     public class Theme
     {
-        private readonly List<ThemeComponent> _components; 
+        private readonly ThemeComponentCollection _components; 
 
         public Theme()
         {
-            _components = new List<ThemeComponent>();
+            _components = new ThemeComponentCollection { IsMasterCollection = false};
         }
 
         public string Name { get; set; }
         public string FilePath { get; set; }
 
-        public List<ThemeComponent> Components
+        public ThemeComponentCollection Components
         {
             get { return _components; }
         }
 
         public bool ComponentExists(ThemeComponentType componentType, string componentName)
         {
-            return _components.Exists(c => c.ComponentName == componentName && c.ComponentType == componentType);
+            var componentCount =
+                _components.Count(c => c.ComponentName == componentName && c.ComponentType == componentType);
+            return componentCount > 0;
         }
 
         public void AddComponent(ThemeComponentType componentType, string componentName, Color componentColor)
diff --git a/Filtration.ObjectModel/ThemeEditor/ThemeComponentCollection.cs b/Filtration.ObjectModel/ThemeEditor/ThemeComponentCollection.cs
new file mode 100644
index 0000000..6cc1cfd
--- /dev/null
+++ b/Filtration.ObjectModel/ThemeEditor/ThemeComponentCollection.cs
@@ -0,0 +1,32 @@
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Windows.Media;
+using Filtration.ObjectModel.Enums;
+
+namespace Filtration.ObjectModel.ThemeEditor
+{
+    public class ThemeComponentCollection : Collection<ThemeComponent>
+    {
+        public bool IsMasterCollection { get; set; }
+
+        public ThemeComponent AddComponent(ThemeComponentType componentType, string componentName, Color componentColor)
+        {
+            if (ComponentExists(componentType, componentName))
+            {
+                return Items.FirstOrDefault(t => t.ComponentName == componentName && t.ComponentType == componentType);
+            }
+
+            var component = new ThemeComponent(componentType, componentName, componentColor);
+            Items.Add(component);
+
+            return component;
+        }
+
+        private bool ComponentExists(ThemeComponentType componentType, string componentName)
+        {
+            var componentCount =
+                Items.Count(c => c.ComponentName == componentName && c.ComponentType == componentType);
+            return componentCount > 0;
+        }
+    }
+}
diff --git a/Filtration.Tests/Filtration.Tests.csproj b/Filtration.Tests/Filtration.Tests.csproj
index 5a248a6..30b6fb4 100644
--- a/Filtration.Tests/Filtration.Tests.csproj
+++ b/Filtration.Tests/Filtration.Tests.csproj
@@ -55,7 +55,6 @@
     <Compile Include="Translators\TestBlockGroupHierarchyBuilder.cs" />
     <Compile Include="Translators\TestItemFilterBlockTranslator.cs" />
     <Compile Include="Translators\TestItemFilterScriptTranslator.cs" />
-    <Compile Include="Translators\TestThemeComponentListBuilder.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
diff --git a/Filtration.Tests/Translators/TestItemFilterBlockTranslator.cs b/Filtration.Tests/Translators/TestItemFilterBlockTranslator.cs
index ac5b5d1..d37f5de 100644
--- a/Filtration.Tests/Translators/TestItemFilterBlockTranslator.cs
+++ b/Filtration.Tests/Translators/TestItemFilterBlockTranslator.cs
@@ -33,7 +33,7 @@ namespace Filtration.Tests.Translators
                               "    ItemLevel >= 55";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is ItemLevelBlockItem));
@@ -51,7 +51,7 @@ namespace Filtration.Tests.Translators
 
             // Act
             _testUtility.MockBlockGroupHierarchyBuilder.Setup(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>())).Returns(inputBlockGroup).Verifiable();
-            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             _testUtility.MockBlockGroupHierarchyBuilder.Verify();
@@ -66,7 +66,7 @@ namespace Filtration.Tests.Translators
 
             // Act
             _testUtility.MockBlockGroupHierarchyBuilder.Setup(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>())).Returns(inputBlockGroup).Verifiable();
-            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(true, inputBlockGroup.IsChecked);
@@ -81,7 +81,7 @@ namespace Filtration.Tests.Translators
 
             // Act
             _testUtility.MockBlockGroupHierarchyBuilder.Setup(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>())).Returns(inputBlockGroup).Verifiable();
-            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(false, inputBlockGroup.IsChecked);
@@ -95,7 +95,7 @@ namespace Filtration.Tests.Translators
 
             // Act
             _testUtility.MockBlockGroupHierarchyBuilder.Setup(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>())).Verifiable();
-            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             _testUtility.MockBlockGroupHierarchyBuilder.Verify(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>()), Times.Never);
@@ -109,7 +109,7 @@ namespace Filtration.Tests.Translators
 
             // Act
             _testUtility.MockBlockGroupHierarchyBuilder.Setup(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>())).Verifiable();
-            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             _testUtility.MockBlockGroupHierarchyBuilder.Verify(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>()), Times.Never);
@@ -124,7 +124,7 @@ namespace Filtration.Tests.Translators
 
             // Act
             _testUtility.MockBlockGroupHierarchyBuilder.Setup(b => b.IntegrateStringListIntoBlockGroupHierarchy(It.IsAny<IEnumerable<string>>())).Returns(testBlockGroup).Verifiable();
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(testBlockGroup, result.BlockGroup);
@@ -138,7 +138,7 @@ namespace Filtration.Tests.Translators
             var inputString = "Hide" + Environment.NewLine;
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is ActionBlockItem));
@@ -154,7 +154,7 @@ namespace Filtration.Tests.Translators
                               "    ItemLevel >= 55";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual("This is a test Block", result.Description);
@@ -174,7 +174,7 @@ namespace Filtration.Tests.Translators
                               "    ItemLevel >= 55";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual("Second Line", result.Description);
@@ -192,7 +192,7 @@ namespace Filtration.Tests.Translators
                               "    DropLevel = 40";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -210,7 +210,7 @@ namespace Filtration.Tests.Translators
                               "    Quality < 18";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -228,7 +228,7 @@ namespace Filtration.Tests.Translators
                               "    Rarity > Normal";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -246,7 +246,7 @@ namespace Filtration.Tests.Translators
                               "    Rarity Normal";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is RarityBlockItem));
@@ -263,7 +263,7 @@ namespace Filtration.Tests.Translators
                               @"    Class ""Test Class 1"" ""TestOneWordClassInQuotes"" TestOneWordClassNotInQuotes ""Test Class 2""";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is ClassBlockItem));
@@ -282,7 +282,7 @@ namespace Filtration.Tests.Translators
                               @"    BaseType ""Test Base Type 1"" ""TestOneWordBaseTypeInQuotes"" TestOneWordBaseTypeNotInQuotes ""Test BaseType 2""";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is BaseTypeBlockItem));
@@ -301,7 +301,7 @@ namespace Filtration.Tests.Translators
                               "    Sockets > 2";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -319,7 +319,7 @@ namespace Filtration.Tests.Translators
                               "    LinkedSockets != 1";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -337,7 +337,7 @@ namespace Filtration.Tests.Translators
                               "    Width != 1";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -355,7 +355,7 @@ namespace Filtration.Tests.Translators
                               "    Height <= 3";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
 
@@ -373,7 +373,7 @@ namespace Filtration.Tests.Translators
                               "    Height <=3";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is HeightBlockItem));
@@ -390,7 +390,7 @@ namespace Filtration.Tests.Translators
                               "    SocketGroup RRGB";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is SocketGroupBlockItem));
@@ -408,7 +408,7 @@ namespace Filtration.Tests.Translators
                               "    SetTextColor 255 20 100";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is TextColorBlockItem));
@@ -426,7 +426,7 @@ namespace Filtration.Tests.Translators
                               "    SetTextColor 65 0 255 12";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is TextColorBlockItem));
@@ -445,7 +445,7 @@ namespace Filtration.Tests.Translators
                               "    SetBackgroundColor 255 20 100";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is BackgroundColorBlockItem));
@@ -464,7 +464,7 @@ namespace Filtration.Tests.Translators
                               "    SetBorderColor 255 20 100";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is BorderColorBlockItem));
@@ -483,8 +483,8 @@ namespace Filtration.Tests.Translators
 
             // Act
 
-            Assert.DoesNotThrow(() => _testUtility.Translator.TranslateStringToItemFilterBlock(inputString));
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            Assert.DoesNotThrow(() => _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null));
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is BorderColorBlockItem));
@@ -500,21 +500,17 @@ namespace Filtration.Tests.Translators
             // Arrange
             var inputString = "Show" + Environment.NewLine +
                               "    SetTextColor 255 20 100 # Rare Item Text";
-            var testComponent = new ThemeComponent(ThemeComponentType.TextColor, "testComponent", new Color());
-
-            _testUtility.MockThemeComponentListBuilder.Setup(
-                t =>
-                    t.AddComponent(ThemeComponentType.TextColor, "Rare Item Text",
-                        new Color {A = 255, R = 255, G = 20, B = 100})).Returns(testComponent).Verifiable();
-            _testUtility.MockThemeComponentListBuilder.SetupGet(t => t.IsInitialised).Returns(true);
-
+            var testComponent = new ThemeComponent(ThemeComponentType.TextColor, "Rare Item Text", new Color { R = 255, G = 20, B = 100});
+            var testInputThemeComponentCollection = new ThemeComponentCollection { testComponent };
+            
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, testInputThemeComponentCollection);
 
             // Assert
             var blockItem = result.BlockItems.OfType<TextColorBlockItem>().First();
             Assert.AreSame(testComponent, blockItem.ThemeComponent);
-            _testUtility.MockThemeComponentListBuilder.Verify();
+            var firstComponent = testInputThemeComponentCollection.First();
+            Assert.AreEqual("Rare Item Text", firstComponent.ComponentName);
         }
 
         [Test]
@@ -526,7 +522,7 @@ namespace Filtration.Tests.Translators
                               "    SetFontSize 15";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is FontSizeBlockItem));
@@ -543,7 +539,7 @@ namespace Filtration.Tests.Translators
                               "    PlayAlertSound 4";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is SoundBlockItem));
@@ -561,7 +557,7 @@ namespace Filtration.Tests.Translators
                               "    PlayAlertSound 2 95";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is SoundBlockItem));
@@ -578,7 +574,7 @@ namespace Filtration.Tests.Translators
             var inputString = "# Section: " + TestInputSectionDescription;
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.IsInstanceOf<ItemFilterSection>(result);
@@ -611,7 +607,7 @@ namespace Filtration.Tests.Translators
                               "    PlayAlertSound 3";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual("Test filter with everything", result.Description);
@@ -693,7 +689,7 @@ namespace Filtration.Tests.Translators
                               "    Quality < 17";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(2, result.BlockItems.Count(b => b is ItemLevelBlockItem));
@@ -722,7 +718,7 @@ namespace Filtration.Tests.Translators
                               "    SetTextColor 255 20 100";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is TextColorBlockItem));
@@ -743,7 +739,7 @@ namespace Filtration.Tests.Translators
                               "    SetFontSize 27" + Environment.NewLine;
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is FontSizeBlockItem));
@@ -762,7 +758,7 @@ namespace Filtration.Tests.Translators
                               "    PlayAlertSound 2" + Environment.NewLine;
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is SoundBlockItem));
@@ -780,7 +776,7 @@ namespace Filtration.Tests.Translators
                               "    SetBackgroundColor 255 20 100";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is BackgroundColorBlockItem));
@@ -799,7 +795,7 @@ namespace Filtration.Tests.Translators
                               "    SetBorderColor 255 20 100";
 
             // Act
-            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString);
+            var result = _testUtility.Translator.TranslateStringToItemFilterBlock(inputString, null);
 
             // Assert
             Assert.AreEqual(1, result.BlockItems.Count(b => b is BorderColorBlockItem));
@@ -1481,6 +1477,7 @@ namespace Filtration.Tests.Translators
             Assert.AreEqual(0, testInputBlockItems.Count(b => b is BorderColorBlockItem));
         }
 
+        [Ignore("ThemeComponentBuilder deprecated")]
         [Test]
         public void ReplaceColorBlockItemsFromString_ThemeComponentBuilderNotInitialised_DoesNotCallAddComponent()
         {
@@ -1490,13 +1487,12 @@ namespace Filtration.Tests.Translators
             var testInputBlockItems = new ObservableCollection<IItemFilterBlockItem>();
             var testInputBlockItem = new TextColorBlockItem(Colors.Red);
             testInputBlockItems.Add(testInputBlockItem);
-            _testUtility.MockThemeComponentListBuilder.Setup(t => t.AddComponent(It.IsAny<ThemeComponentType>(), It.IsAny<string>(), It.IsAny<Color>())).Verifiable();
 
             // Act
             _testUtility.Translator.ReplaceColorBlockItemsFromString(testInputBlockItems, testInputString);
 
             // Assert
-            _testUtility.MockThemeComponentListBuilder.Verify(t => t.AddComponent(It.IsAny<ThemeComponentType>(), It.IsAny<string>(), It.IsAny<Color>()), Times.Never);
+            
         }
         private class ItemFilterBlockTranslatorTestUtility
         {
@@ -1507,16 +1503,13 @@ namespace Filtration.Tests.Translators
 
                 // Mock setups
                 MockBlockGroupHierarchyBuilder = new Mock<IBlockGroupHierarchyBuilder>();
-                MockThemeComponentListBuilder = new Mock<IThemeComponentListBuilder>();
 
                 // Class under test instantiation
-                Translator = new ItemFilterBlockTranslator(MockBlockGroupHierarchyBuilder.Object,
-                    MockThemeComponentListBuilder.Object);
+                Translator = new ItemFilterBlockTranslator(MockBlockGroupHierarchyBuilder.Object);
             }
 
             public ItemFilterBlock TestBlock { get; set; }
             public Mock<IBlockGroupHierarchyBuilder> MockBlockGroupHierarchyBuilder { get; private set; }
-            public Mock<IThemeComponentListBuilder> MockThemeComponentListBuilder { get; private set; }
             public ItemFilterBlockTranslator Translator { get; private set; }
         }
     }
diff --git a/Filtration.Tests/Translators/TestItemFilterScriptTranslator.cs b/Filtration.Tests/Translators/TestItemFilterScriptTranslator.cs
index cb38bf9..056b58a 100644
--- a/Filtration.Tests/Translators/TestItemFilterScriptTranslator.cs
+++ b/Filtration.Tests/Translators/TestItemFilterScriptTranslator.cs
@@ -32,7 +32,7 @@ namespace Filtration.Tests.Translators
             // Arrange
             var testInput = File.ReadAllText(@"Resources/testscript.txt");
 
-            _testUtility.MockItemFilterBlockTranslator.Setup(t => t.TranslateStringToItemFilterBlock(It.IsAny<string>())).Verifiable();
+            _testUtility.MockItemFilterBlockTranslator.Setup(t => t.TranslateStringToItemFilterBlock(It.IsAny<string>(), It.IsAny<ThemeComponentCollection>())).Verifiable();
 
             // Act
             var script = _testUtility.ScriptTranslator.TranslateStringToItemFilterScript(testInput);
@@ -54,7 +54,7 @@ namespace Filtration.Tests.Translators
                                         "End Script Description";
 
             var mockItemFilterBlockTranslator = new Mock<IItemFilterBlockTranslator>();
-            mockItemFilterBlockTranslator.Setup(t => t.TranslateStringToItemFilterBlock(It.IsAny<string>())).Verifiable();
+            mockItemFilterBlockTranslator.Setup(t => t.TranslateStringToItemFilterBlock(It.IsAny<string>(), It.IsAny<ThemeComponentCollection>())).Verifiable();
 
             // Act
             var script = _testUtility.ScriptTranslator.TranslateStringToItemFilterScript(testInput);
@@ -63,37 +63,6 @@ namespace Filtration.Tests.Translators
             Assert.AreEqual(expectedDescription, script.Description);
         }
 
-        [Test]
-        public void TranslateStringToItemFilterScript_CallsThemeComponentListBuilderInitialise()
-        {
-            // Arrange
-            var testInput = File.ReadAllText(@"Resources/testscript.txt");
-
-            _testUtility.MockThemeComponentListBuilder.Setup(t => t.Initialise()).Verifiable();
-            // Act
-            _testUtility.ScriptTranslator.TranslateStringToItemFilterScript(testInput);
-
-            // Assert
-            _testUtility.MockThemeComponentListBuilder.Verify();
-        }
-
-
-        [Test]
-        public void TranslateStringToItemFilterScript_SetsScriptThemeComponentsToComponentListBuilderResult()
-        {
-            // Arrange
-            var testInput = File.ReadAllText(@"Resources/testscript.txt");
-            List<ThemeComponent> testThemeComponents = new List<ThemeComponent>();
-
-            _testUtility.MockThemeComponentListBuilder.Setup(t => t.GetComponents()).Returns(testThemeComponents).Verifiable();
-            // Act
-            var result = _testUtility.ScriptTranslator.TranslateStringToItemFilterScript(testInput);
-
-            // Assert
-            _testUtility.MockThemeComponentListBuilder.Verify();
-            Assert.AreSame(testThemeComponents, result.ThemeComponents);
-        }
-
         [Ignore("Integration Test")]
         [Test]
         public void TranslateStringToItemFilterScript_ThioleItemFilterTest()
@@ -101,10 +70,9 @@ namespace Filtration.Tests.Translators
             // Arrange
             var testInput = File.ReadAllText(@"Resources/ThioleItemFilter.txt");
 
-            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object,
-                _testUtility.MockThemeComponentListBuilder.Object);
+            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object);
             var translator = new ItemFilterScriptTranslator(blockTranslator,
-                _testUtility.MockBlockGroupHierarchyBuilder.Object, _testUtility.MockThemeComponentListBuilder.Object);
+                _testUtility.MockBlockGroupHierarchyBuilder.Object);
 
             // Act
             translator.TranslateStringToItemFilterScript(testInput);
@@ -161,10 +129,9 @@ namespace Filtration.Tests.Translators
                                  "    Width = 3" + Environment.NewLine +
                                  "    SetFontSize 7" + Environment.NewLine;
 
-            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object,
-                _testUtility.MockThemeComponentListBuilder.Object);
+            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object);
             var translator = new ItemFilterScriptTranslator(blockTranslator,
-                _testUtility.MockBlockGroupHierarchyBuilder.Object, _testUtility.MockThemeComponentListBuilder.Object);
+                _testUtility.MockBlockGroupHierarchyBuilder.Object);
 
             // Act
             var result = translator.TranslateItemFilterScriptToString(script);
@@ -207,10 +174,9 @@ namespace Filtration.Tests.Translators
                                  "    Width = 3" + Environment.NewLine +
                                  "    SetFontSize 7" + Environment.NewLine + Environment.NewLine;
 
-            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object,
-                _testUtility.MockThemeComponentListBuilder.Object);
+            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object);
             var translator = new ItemFilterScriptTranslator(blockTranslator,
-                _testUtility.MockBlockGroupHierarchyBuilder.Object, _testUtility.MockThemeComponentListBuilder.Object);
+                _testUtility.MockBlockGroupHierarchyBuilder.Object);
 
             // Act
             var result = translator.TranslateItemFilterScriptToString(script);
@@ -251,10 +217,9 @@ namespace Filtration.Tests.Translators
                                   "    SetBorderColor 255 0 255" + Environment.NewLine +
                                   "    SetFontSize 25";
 
-            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object,
-                _testUtility.MockThemeComponentListBuilder.Object);
+            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object);
             var translator = new ItemFilterScriptTranslator(blockTranslator,
-                _testUtility.MockBlockGroupHierarchyBuilder.Object, _testUtility.MockThemeComponentListBuilder.Object);
+                _testUtility.MockBlockGroupHierarchyBuilder.Object);
 
             // Act
             var result = translator.TranslateStringToItemFilterScript(testInputScript);
@@ -275,10 +240,9 @@ namespace Filtration.Tests.Translators
                                   Environment.NewLine +
                                   "Show" + Environment.NewLine +
                                   "BaseType \"Maelström Staff\"" + Environment.NewLine + Environment.NewLine;
-            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object,
-                _testUtility.MockThemeComponentListBuilder.Object);
+            var blockTranslator = new ItemFilterBlockTranslator(_testUtility.MockBlockGroupHierarchyBuilder.Object);
             var translator = new ItemFilterScriptTranslator(blockTranslator,
-                _testUtility.MockBlockGroupHierarchyBuilder.Object, _testUtility.MockThemeComponentListBuilder.Object);
+                _testUtility.MockBlockGroupHierarchyBuilder.Object);
 
             // Act
             var result = translator.TranslateStringToItemFilterScript(testInputScript);
@@ -296,16 +260,14 @@ namespace Filtration.Tests.Translators
                 // Mock setups
                 MockItemFilterBlockTranslator = new Mock<IItemFilterBlockTranslator>();
                 MockBlockGroupHierarchyBuilder = new Mock<IBlockGroupHierarchyBuilder>();
-                MockThemeComponentListBuilder = new Mock<IThemeComponentListBuilder>();
 
                 // Class under test instantiation
-                ScriptTranslator = new ItemFilterScriptTranslator(MockItemFilterBlockTranslator.Object, MockBlockGroupHierarchyBuilder.Object, MockThemeComponentListBuilder.Object);
+                ScriptTranslator = new ItemFilterScriptTranslator(MockItemFilterBlockTranslator.Object, MockBlockGroupHierarchyBuilder.Object);
             }
 
             public ItemFilterScriptTranslator ScriptTranslator { get; private set; }
             public Mock<IItemFilterBlockTranslator> MockItemFilterBlockTranslator { get; private set; }
             public Mock<IBlockGroupHierarchyBuilder> MockBlockGroupHierarchyBuilder { get; private set; }
-            public Mock<IThemeComponentListBuilder> MockThemeComponentListBuilder { get; private set; }
         }
     }
 }
diff --git a/Filtration.Tests/Translators/TestThemeComponentListBuilder.cs b/Filtration.Tests/Translators/TestThemeComponentListBuilder.cs
deleted file mode 100644
index 4328adb..0000000
--- a/Filtration.Tests/Translators/TestThemeComponentListBuilder.cs
+++ /dev/null
@@ -1,60 +0,0 @@
-using System.Net.Mime;
-using System.Windows.Media;
-using Filtration.ObjectModel.BlockItemTypes;
-using Filtration.ObjectModel.Enums;
-using Filtration.Translators;
-using NUnit.Framework;
-
-namespace Filtration.Tests.Translators
-{
-    [TestFixture]
-    public class TestThemeComponentListBuilder
-    {
-        [Test]
-        public void AddComponent_ReturnsFirstAddedComponent_WhenComponentAddedTwice()
-        {
-            // Arrange
-
-            var testInputTargetType = ThemeComponentType.TextColor;
-            var testInputComponentName = "testComponent";
-            var testInputColor = new Color();
-
-            var builder = new ThemeComponentListBuilder();
-            builder.Initialise();
-
-            // Act
-            var firstResult = builder.AddComponent(testInputTargetType, testInputComponentName, testInputColor);
-            var secondResult = builder.AddComponent(testInputTargetType, testInputComponentName, testInputColor);
-
-            // Assert
-            Assert.AreSame(firstResult, secondResult);
-        }
-        
-        [Test]
-        public void IsInitialised_NotInitialised_ReturnsFalse()
-        {
-            // Arrange
-            var builder = new ThemeComponentListBuilder();
-
-            // Act
-            var result = builder.IsInitialised;
-
-            // Assert
-            Assert.IsFalse(result);
-        }
-
-        [Test]
-        public void IsInitialised_Initialised_ReturnsTrue()
-        {
-            // Arrange
-            var builder = new ThemeComponentListBuilder();
-            builder.Initialise();
-
-            // Act
-            var result = builder.IsInitialised;
-
-            // Assert
-            Assert.IsTrue(result);
-        }
-    }
-}
diff --git a/Filtration/Converters/AvailableThemeComponentsConverter.cs b/Filtration/Converters/AvailableThemeComponentsConverter.cs
index c1bdd52..a2ccd32 100644
--- a/Filtration/Converters/AvailableThemeComponentsConverter.cs
+++ b/Filtration/Converters/AvailableThemeComponentsConverter.cs
@@ -15,7 +15,7 @@ namespace Filtration.Converters
     {
         public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
         {
-            var themeComponentsList = values[0] as List<ThemeComponent>;
+            var themeComponentsList = values[0] as ThemeComponentCollection;
             if (themeComponentsList == null || themeComponentsList.Count == 0) return null;
 
             var blockItem = values[1] as ColorBlockItem;
diff --git a/Filtration/Filtration.csproj b/Filtration/Filtration.csproj
index 7639570..9813f18 100644
--- a/Filtration/Filtration.csproj
+++ b/Filtration/Filtration.csproj
@@ -159,7 +159,6 @@
     <Compile Include="Translators\BlockGroupHierarchyBuilder.cs" />
     <Compile Include="Translators\ItemFilterBlockTranslator.cs" />
     <Compile Include="Translators\ItemFilterScriptTranslator.cs" />
-    <Compile Include="Translators\ThemeComponentListBuilder.cs" />
     <Compile Include="UserControls\AutoScrollingListBox.cs" />
     <Compile Include="UserControls\BlockItemControl.xaml.cs">
       <DependentUpon>BlockItemControl.xaml</DependentUpon>
diff --git a/Filtration/Translators/ItemFilterBlockTranslator.cs b/Filtration/Translators/ItemFilterBlockTranslator.cs
index 4d32fea..7522673 100644
--- a/Filtration/Translators/ItemFilterBlockTranslator.cs
+++ b/Filtration/Translators/ItemFilterBlockTranslator.cs
@@ -10,14 +10,15 @@ using Filtration.ObjectModel.BlockItemBaseTypes;
 using Filtration.ObjectModel.BlockItemTypes;
 using Filtration.ObjectModel.Enums;
 using Filtration.ObjectModel.Extensions;
+using Filtration.ObjectModel.ThemeEditor;
 using Filtration.Utilities;
 
 namespace Filtration.Translators
 {
     internal interface IItemFilterBlockTranslator
     {
-        void InitialiseForExistingScript(ItemFilterScript script);
-        ItemFilterBlock TranslateStringToItemFilterBlock(string inputString);
+        ItemFilterBlock TranslateStringToItemFilterBlock(string inputString,
+            ThemeComponentCollection masterComponentCollection);
         string TranslateItemFilterBlockToString(ItemFilterBlock block);
         void ReplaceColorBlockItemsFromString(ObservableCollection<IItemFilterBlockItem> blockItems, string inputString);
     }
@@ -25,26 +26,20 @@ namespace Filtration.Translators
     internal class ItemFilterBlockTranslator : IItemFilterBlockTranslator
     {
         private readonly IBlockGroupHierarchyBuilder _blockGroupHierarchyBuilder;
-        private readonly IThemeComponentListBuilder _themeComponentListBuilder;
         private const string Indent = "    ";
         private readonly string _newLine = Environment.NewLine + Indent;
+        private ThemeComponentCollection _masterComponentCollection;
 
-        public ItemFilterBlockTranslator(IBlockGroupHierarchyBuilder blockGroupHierarchyBuilder, IThemeComponentListBuilder themeComponentListBuilder)
+        public ItemFilterBlockTranslator(IBlockGroupHierarchyBuilder blockGroupHierarchyBuilder)
         {
             _blockGroupHierarchyBuilder = blockGroupHierarchyBuilder;
-            _themeComponentListBuilder = themeComponentListBuilder;
-        }
-
-        public void InitialiseForExistingScript(ItemFilterScript script)
-        {
-            _themeComponentListBuilder.Initialise(script.ThemeComponents);
-            _blockGroupHierarchyBuilder.Initialise(script.ItemFilterBlockGroups.First());
         }
 
         // This method converts a string into a ItemFilterBlock. This is used for pasting ItemFilterBlocks 
         // and reading ItemFilterScripts from a file.
-        public ItemFilterBlock TranslateStringToItemFilterBlock(string inputString)
+        public ItemFilterBlock TranslateStringToItemFilterBlock(string inputString, ThemeComponentCollection masterComponentCollection)
         {
+            _masterComponentCollection = masterComponentCollection;
             var block = new ItemFilterBlock();
             var showHideFound = false;
             foreach (var line in new LineReader(() => new StringReader(inputString)))
@@ -300,9 +295,9 @@ namespace Filtration.Translators
                 {
                     throw new Exception("Parsing error - unknown theme component type");
                 }
-                if (_themeComponentListBuilder.IsInitialised)
+                if (_masterComponentCollection != null)
                 {
-                    blockItem.ThemeComponent = _themeComponentListBuilder.AddComponent(componentType, componentName,
+                    blockItem.ThemeComponent = _masterComponentCollection.AddComponent(componentType, componentName,
                         blockItem.Color);
                 }
             }
diff --git a/Filtration/Translators/ItemFilterScriptTranslator.cs b/Filtration/Translators/ItemFilterScriptTranslator.cs
index 81d0f18..c5b53d0 100644
--- a/Filtration/Translators/ItemFilterScriptTranslator.cs
+++ b/Filtration/Translators/ItemFilterScriptTranslator.cs
@@ -20,15 +20,12 @@ namespace Filtration.Translators
     {
         private readonly IItemFilterBlockTranslator _blockTranslator;
         private readonly IBlockGroupHierarchyBuilder _blockGroupHierarchyBuilder;
-        private readonly IThemeComponentListBuilder _themeComponentListBuilder;
 
         public ItemFilterScriptTranslator(IItemFilterBlockTranslator blockTranslator,
-                                          IBlockGroupHierarchyBuilder blockGroupHierarchyBuilder,
-                                          IThemeComponentListBuilder themeComponentListBuilder)
+                                          IBlockGroupHierarchyBuilder blockGroupHierarchyBuilder)
         {
             _blockTranslator = blockTranslator;
             _blockGroupHierarchyBuilder = blockGroupHierarchyBuilder;
-            _themeComponentListBuilder = themeComponentListBuilder;
         }
 
         public ItemFilterScript TranslateStringToItemFilterScript(string inputString)
@@ -55,8 +52,6 @@ namespace Filtration.Translators
                 script.Description = script.Description.TrimEnd('\n').TrimEnd('\r');
             }
 
-            _themeComponentListBuilder.Initialise();
-
             // Extract each block from between boundaries and translate it into a ItemFilterBlock object
             // and add that object to the ItemFilterBlocks list 
             for (var boundary = conditionBoundaries.First; boundary != null; boundary = boundary.Next)
@@ -66,12 +61,10 @@ namespace Filtration.Translators
                 var block = new string[end - begin];
                 Array.Copy(lines, begin, block, 0, end - begin);
                 var blockString = string.Join("\r\n", block);
-                script.ItemFilterBlocks.Add(_blockTranslator.TranslateStringToItemFilterBlock(blockString));
+                script.ItemFilterBlocks.Add(_blockTranslator.TranslateStringToItemFilterBlock(blockString, script.ThemeComponents));
             }
 
-            script.ThemeComponents = _themeComponentListBuilder.GetComponents();
             _blockGroupHierarchyBuilder.Cleanup();
-            _themeComponentListBuilder.Cleanup();
             return script;
         }
 
diff --git a/Filtration/Translators/ThemeComponentListBuilder.cs b/Filtration/Translators/ThemeComponentListBuilder.cs
deleted file mode 100644
index 42ce942..0000000
--- a/Filtration/Translators/ThemeComponentListBuilder.cs
+++ /dev/null
@@ -1,74 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Windows.Media;
-using Filtration.ObjectModel.Enums;
-using Filtration.ObjectModel.ThemeEditor;
-
-namespace Filtration.Translators
-{
-    internal interface IThemeComponentListBuilder
-    {
-        void Initialise();
-        void Initialise(List<ThemeComponent> themeComponents);
-        bool IsInitialised { get; }
-        ThemeComponent AddComponent(ThemeComponentType componentType, string componentName, Color componentColor);
-        List<ThemeComponent> GetComponents();
-        void Cleanup();
-    }
-
-    internal class ThemeComponentListBuilder : IThemeComponentListBuilder
-    {
-        private List<ThemeComponent> _themeComponents;
-
-        public ThemeComponentListBuilder()
-        {
-        }
-
-        public bool IsInitialised
-        {
-            get
-            {
-                return _themeComponents != null;
-            }
-        }
-
-        public void Initialise()
-        {
-            _themeComponents = new List<ThemeComponent>();
-        }
-
-        public void Initialise(List<ThemeComponent> themeComponents)
-        {
-            _themeComponents = themeComponents;
-        }
-
-        public void Cleanup()
-        {
-            _themeComponents = null;
-        }
-
-        public ThemeComponent AddComponent(ThemeComponentType componentType, string componentName, Color componentColor)
-        {
-            if (ComponentExists(componentType, componentName))
-            {
-                return _themeComponents.FirstOrDefault(t => t.ComponentName == componentName && t.ComponentType == componentType);
-            }
-
-            var component = new ThemeComponent(componentType, componentName, componentColor);
-            _themeComponents.Add(component);
-
-            return component;
-        }
-
-        public List<ThemeComponent> GetComponents()
-        {
-            return _themeComponents;
-        }
-
-        private bool ComponentExists(ThemeComponentType componentType, string componentName)
-        {
-            return _themeComponents.Exists(c => c.ComponentName == componentName && c.ComponentType == componentType);
-        }
-    }
-}
diff --git a/Filtration/ViewModels/ItemFilterScriptViewModel.cs b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
index 7571058..356b5fd 100644
--- a/Filtration/ViewModels/ItemFilterScriptViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
@@ -543,8 +543,7 @@ namespace Filtration.ViewModels
                 var clipboardText = Clipboard.GetText();
                 if (clipboardText.IsNullOrEmpty()) return;
 
-                _blockTranslator.InitialiseForExistingScript(Script);
-                var translatedBlock = _blockTranslator.TranslateStringToItemFilterBlock(clipboardText);
+                var translatedBlock = _blockTranslator.TranslateStringToItemFilterBlock(clipboardText, Script.ThemeComponents);
                 if (translatedBlock == null) return;
 
                 var vm = _itemFilterBlockViewModelFactory.Create();
diff --git a/Filtration/WindsorInstallers/TranslatorsInstaller.cs b/Filtration/WindsorInstallers/TranslatorsInstaller.cs
index 2736bec..549b9b5 100644
--- a/Filtration/WindsorInstallers/TranslatorsInstaller.cs
+++ b/Filtration/WindsorInstallers/TranslatorsInstaller.cs
@@ -23,11 +23,6 @@ namespace Filtration.WindsorInstallers
                 Component.For<IBlockGroupHierarchyBuilder>()
                     .ImplementedBy<BlockGroupHierarchyBuilder>()
                     .LifeStyle.Singleton);
-
-            container.Register(
-                Component.For<IThemeComponentListBuilder>()
-                    .ImplementedBy<ThemeComponentListBuilder>()
-                    .LifeStyle.Singleton);
         }
     }
 }