diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/ILogicalOperatorFactory.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/ILogicalOperatorFactory.cs
index f360edc..250bb7b 100644
--- a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/ILogicalOperatorFactory.cs
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/ILogicalOperatorFactory.cs
@@ -7,17 +7,6 @@
 /// </summary>
 public interface ILogicalOperatorFactory
 {
-    /// <summary>
-    /// Allows creation of an <see cref="ILogicalOperator"/> instance based on the type requested.
-    /// </summary>
-    /// <param name="logicalOperatorType">
-    /// The concrete implementation type of <see cref="ILogicalOperator"/> requested.
-    /// </param>
-    /// <returns>
-    /// The configured instance of the <see cref="ILogicalOperator"/> type.
-    /// </returns>
-    ILogicalOperator CreateLogicalOperator(Type logicalOperatorType);
-
     /// <summary>
     /// Allows creation of an <see cref="ILogicalOperator"/> instance based on the type name requested.
     /// </summary>
@@ -28,15 +17,4 @@ public interface ILogicalOperatorFactory
     /// The configured instance of the <see cref="ILogicalOperator"/> type.
     /// </returns>
     ILogicalOperator CreateLogicalOperator(string logicalOperatorName);
-
-    /// <summary>
-    /// Allows creation of an <see cref="ILogicalOperator"/> instance based on the generic type specified.
-    /// </summary>
-    /// <typeparam name="TLogicalOperator">
-    /// The concrete type of <see cref="ILogicalOperator"/> requested.
-    /// </typeparam>
-    /// <returns>
-    /// The configured instance of the <see cref="ILogicalOperator"/> type.
-    /// </returns>
-    ILogicalOperator CreateLogicalOperator<TLogicalOperator>() where TLogicalOperator : ILogicalOperator;
 }
diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/LogicalOperatorFactory.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/LogicalOperatorFactory.cs
index ac34542..57f0afe 100644
--- a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/LogicalOperatorFactory.cs
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Filtering/LogicalOperators/Factories/LogicalOperatorFactory.cs
@@ -41,30 +41,6 @@ public LogicalOperatorFactory(Dictionary<string, Func<ILogicalOperator>> logical
         _logicalOperatorFactory = logicalOperatorFactory;
     }
 
-    /// <summary>
-    /// Allows creation of an <see cref="ILogicalOperator"/> instance based on the generic type specified.
-    /// </summary>
-    /// <typeparam name="TLogicalOperator">
-    /// The concrete type of <see cref="ILogicalOperator"/> requested.
-    /// </typeparam>
-    /// <returns>
-    /// The configured instance of the <see cref="ILogicalOperator"/> type.
-    /// </returns>
-    public ILogicalOperator CreateLogicalOperator<TLogicalOperator>()
-        where TLogicalOperator : ILogicalOperator => CreateLogicalOperator(typeof(TLogicalOperator));
-
-    /// <summary>
-    /// Allows creation of an <see cref="ILogicalOperator"/> instance based on the type requested.
-    /// </summary>
-    /// <param name="logicalOperatorType">
-    /// The concrete implementation type of <see cref="ILogicalOperator"/> requested.
-    /// </param>
-    /// <returns>
-    /// The configured instance of the <see cref="ILogicalOperator"/> type.
-    /// </returns>
-    public ILogicalOperator CreateLogicalOperator(Type logicalOperatorType) => CreateLogicalOperator(logicalOperatorName: logicalOperatorType.Name);
-
-
     /// <summary>
     /// Allows creation of an <see cref="ILogicalOperator"/> instance based on the type name requested.
     /// </summary>
diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/CompositionRootTests.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/CompositionRootTests.cs
index ff9ccbe..d230be2 100644
--- a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/CompositionRootTests.cs
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/CompositionRootTests.cs
@@ -53,12 +53,12 @@ public async Task AddAzureSearchServices_RegistersAllDependencies()
 
             // act
             var response =
-                await searchByKeywordService
+                await searchByKeywordService!
                     .SearchAsync<ExpandoObject>(
                         searchKeyword: "Test",
                         searchIndex: "Index",
                         searchOptions: new Azure.Search.Documents.SearchOptions()
-                    );
+                    )!;
 
             response.Should().NotBeNull();
         }
@@ -78,7 +78,7 @@ public async Task AddAzureGeoLocationSearchServices_RegistersAllDependencies()
 
             IGeoLocationClientProvider mockGeoLocationClientProvider =
                 GeoLocationClientProviderTestDouble
-                    .CreateWithHttpStatusAndResponse(HttpStatusCode.OK, "{}");
+                    .CreateWithHttpStatusAndResponse(HttpStatusCode.OK, "{ }");
 
             IServiceProvider? serviceProvider =
                 _compositionRootServiceProvider?
@@ -98,7 +98,7 @@ public async Task AddAzureGeoLocationSearchServices_RegistersAllDependencies()
         }
 
         [Fact]
-        public async Task AddAzureSearchFilterServices_RegistersAllDependencies()
+        public void AddAzureSearchFilterServices_RegistersAllDependencies()
         {
             Dictionary<string, string?> config = new() {
                 { "FilterKeyToFilterExpressionMapOptions:FilterChainingLogicalOperator", "AndLogicalOperator" },
diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/ConfigurationStartupValidationTests.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/ConfigurationStartupValidationTests.cs
index 4a0d5f2..0d4e52f 100644
--- a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/ConfigurationStartupValidationTests.cs
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/ConfigurationStartupValidationTests.cs
@@ -147,7 +147,7 @@ public void AddAzureGeoLocationSearchServices_MissingGeoLocationOptions_MapsSubs
         }
 
         [Fact]
-        public async Task AddAzureSearchFilterServices_MissingFilterKeyToFilterExpressionMapOptions_FilterChainingLogicalOperator_ThrowOptionsValidationException()
+        public void AddAzureSearchFilterServices_MissingFilterKeyToFilterExpressionMapOptions_FilterChainingLogicalOperator_ThrowOptionsValidationException()
         {
             Dictionary<string, string?> config = new() {
                 { "FilterKeyToFilterExpressionMapOptions:SearchFilterToExpressionMap:test-key:FilterExpressionKey", "SearchInFilterExpression" },
@@ -173,7 +173,7 @@ public async Task AddAzureSearchFilterServices_MissingFilterKeyToFilterExpressio
         }
 
         [Fact]
-        public async Task AddAzureSearchFilterServices_MissingFilterKeyToFilterExpressionMapOptions_SearchFilterToExpressionMap_ThrowOptionsValidationException()
+        public void AddAzureSearchFilterServices_MissingFilterKeyToFilterExpressionMapOptions_SearchFilterToExpressionMap_ThrowOptionsValidationException()
         {
             Dictionary<string, string?> config = new() {
                { "FilterKeyToFilterExpressionMapOptions:FilterChainingLogicalOperator", "AndLogicalOperator" }
diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/LogicalOperators/Factories/LogicalOperatorFactoryTests.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/LogicalOperators/Factories/LogicalOperatorFactoryTests.cs
index 0630a80..c0ff748 100644
--- a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/LogicalOperators/Factories/LogicalOperatorFactoryTests.cs
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/LogicalOperators/Factories/LogicalOperatorFactoryTests.cs
@@ -1,6 +1,6 @@
 using Dfe.Data.Common.Infrastructure.CognitiveSearch.Filtering.LogicalOperators;
 using Dfe.Data.Common.Infrastructure.CognitiveSearch.Filtering.LogicalOperators.Factories;
-using Dfe.Data.Common.Infrastructure.CognitiveSearch.Tests.Filtering.FilterExpressions;
+using Dfe.Data.Common.Infrastructure.CognitiveSearch.Tests.Filtering.TestDoubles;
 using FluentAssertions;
 using Xunit;
 
@@ -12,12 +12,11 @@ public sealed class LogicalOperatorFactoryTests
     public void CreateLogicalOperator_WithValidOperatorName_ReturnsExpectedConfiguredOperatorFromfactory()
     {
         // arrange.
-        ILogicalOperatorFactory logicalOperatorFactory =
-            LogicalOperatorFactoryTestDouble.MockLogicalOperatorFactory();
+        ILogicalOperatorFactory logicalOperatorFactory = new LogicalOperatorFactory(ILogicalOperators.Create());
 
         // act.
         ILogicalOperator logicalOperator =
-            logicalOperatorFactory.CreateLogicalOperator("AndLogicalOperator");
+            logicalOperatorFactory.CreateLogicalOperator("name1");
 
         // assert.
         logicalOperator.Should().NotBeNull();
@@ -25,43 +24,25 @@ public void CreateLogicalOperator_WithValidOperatorName_ReturnsExpectedConfigure
     }
 
     [Fact]
-    public void CreateLogicalOperator_WithValidOperatorType_ReturnsExpectedConfiguredOperatorFromfactory()
+    public void CreateFilter_WithUnknownFilterName_ThrowsExpectedException()
     {
         // arrange.
-        ILogicalOperatorFactory logicalOperatorFactory =
-            LogicalOperatorFactoryTestDouble.MockLogicalOperatorFactory();
+        ILogicalOperatorFactory logicalOperatorFactory = new LogicalOperatorFactory(ILogicalOperators.Create());
 
         // act.
-        ILogicalOperator logicalOperator =
-            logicalOperatorFactory.CreateLogicalOperator(typeof(AndLogicalOperator));
-
-        // assert.
-        logicalOperator.Should().NotBeNull();
-        logicalOperator.Should().BeOfType<AndLogicalOperator>();
-    }
-
-    [Fact]
-    public void CreateLogicalOperator_WithValidOperatorGenricTemplateType_ReturnsExpectedConfiguredOperatorFromfactory()
-    {
-        // arrange.
-        ILogicalOperatorFactory logicalOperatorFactory =
-            LogicalOperatorFactoryTestDouble.MockLogicalOperatorFactoryFor<AndLogicalOperator>();
-
-        // act.
-        ILogicalOperator logicalOperator =
-            logicalOperatorFactory.CreateLogicalOperator<AndLogicalOperator>();
+        Action failedCreateOperatorAction = () =>
+            logicalOperatorFactory.CreateLogicalOperator(logicalOperatorName: "something else");
 
-        // assert.
-        logicalOperator.Should().NotBeNull();
-        logicalOperator.Should().BeOfType<AndLogicalOperator>();
+        //assert
+        ArgumentException exception =
+            Assert.Throws<ArgumentOutOfRangeException>(failedCreateOperatorAction);
     }
 
     [Fact]
     public void CreateFilter_WithNullFilterName_ThrowsExpectedException()
     {
         // arrange.
-        ILogicalOperatorFactory logicalOperatorFactory =
-           LogicalOperatorFactoryTestDouble.MockLogicalOperatorFactory();
+        ILogicalOperatorFactory logicalOperatorFactory = new LogicalOperatorFactory(ILogicalOperators.Create());
 
         // act.
         Action failedCreateOperatorAction = () =>
@@ -78,9 +59,7 @@ public void CreateFilter_WithNullFilterName_ThrowsExpectedException()
     public void CreateFilter_WithEmptyFilterName_ThrowsExpectedException()
     {
         // arrange.
-        ILogicalOperatorFactory logicalOperatorFactory =
-            LogicalOperatorFactoryTestDouble.MockLogicalOperatorFactory();
-
+        ILogicalOperatorFactory logicalOperatorFactory = new LogicalOperatorFactory(ILogicalOperators.Create());
         // act.
         Action failedCreateOperatorAction = () =>
             logicalOperatorFactory.CreateLogicalOperator(logicalOperatorName: "");
@@ -96,8 +75,7 @@ public void CreateFilter_WithEmptyFilterName_ThrowsExpectedException()
     public void CreateFilter_WithWhitespaceFilterName_ThrowsExpectedException()
     {
         // arrange.
-        ILogicalOperatorFactory logicalOperatorFactory =
-            LogicalOperatorFactoryTestDouble.MockLogicalOperatorFactory();
+        ILogicalOperatorFactory logicalOperatorFactory = new LogicalOperatorFactory(ILogicalOperators.Create());
 
         // act.
         Action failedCreateOperatorAction = () =>
diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/ILogicalOperatorMock.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/ILogicalOperatorMock.cs
new file mode 100644
index 0000000..a042090
--- /dev/null
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/ILogicalOperatorMock.cs
@@ -0,0 +1,13 @@
+using Dfe.Data.Common.Infrastructure.CognitiveSearch.Filtering.LogicalOperators;
+
+namespace Dfe.Data.Common.Infrastructure.CognitiveSearch.Tests.Filtering.TestDoubles;
+
+public static class ILogicalOperators
+{
+    public static Dictionary<string, Func<ILogicalOperator>> Create()
+    {
+        return new() {
+            { "name1", () => new AndLogicalOperator()}
+        };
+    }
+}
diff --git a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/LogicalOperatorFactoryTestDouble.cs b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/LogicalOperatorFactoryTestDouble.cs
index 072ef80..9adfdad 100644
--- a/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/LogicalOperatorFactoryTestDouble.cs
+++ b/Dfe.Data.Common.Infrastructure.CognitiveSearch/Tests/Filtering/TestDoubles/LogicalOperatorFactoryTestDouble.cs
@@ -21,28 +21,6 @@ public static ILogicalOperatorFactory MockLogicalOperatorFactoryFor()
                         .Returns((string type) =>
                             GetLogicalOperator(type));
 
-        logicalOperatorFactoryMock
-            .Setup(logicalOperatorFactory =>
-                logicalOperatorFactory
-                    .CreateLogicalOperator(It.IsAny<Type>()))
-                        .Returns((Type type) =>
-                            GetLogicalOperator(type.Name));
-
-        return logicalOperatorFactoryMock.Object;
-    }
-
-    public static ILogicalOperatorFactory MockLogicalOperatorFactoryFor<TFilterType>()
-    {
-        var logicalOperatorFactoryMock = LogicalOperatorFactoryMock();
-
-        logicalOperatorFactoryMock
-            .Setup(logicalOperatorFactory =>
-                logicalOperatorFactory
-                    .CreateLogicalOperator<ILogicalOperator>())
-                        .Returns(() =>
-                            GetLogicalOperator(
-                                typeof(TFilterType).Name));
-
         return logicalOperatorFactoryMock.Object;
     }