diff --git a/src/Kiota.Builder/Refiners/TypeScriptRefiner.cs b/src/Kiota.Builder/Refiners/TypeScriptRefiner.cs
index 2596bc096b..69b98f6a71 100644
--- a/src/Kiota.Builder/Refiners/TypeScriptRefiner.cs
+++ b/src/Kiota.Builder/Refiners/TypeScriptRefiner.cs
@@ -345,8 +345,8 @@ private static void ReplaceDeserializerMethodForComposedType(CodeInterface codeI
 
         if (deserializerMethod is null) return;
 
-        // For code union Deserializer is not required, however its needed fo Intersection types
-        if (composedType is CodeIntersectionType)
+        // For code union Deserializer is not required, however its needed for Object Intersection types
+        if (composedType is CodeIntersectionType && !ConventionServiceInstance.IsComposedOfPrimitives(composedType))
         {
             var method = CreateDeserializerMethodForComposedType(codeInterface, deserializerMethod);
             var deserializerFunction = new CodeFunction(method) { Name = method.Name };
diff --git a/tests/Kiota.Builder.Tests/Writers/TypeScript/CodeFunctionWriterTests.cs b/tests/Kiota.Builder.Tests/Writers/TypeScript/CodeFunctionWriterTests.cs
index 860afa0bdb..cc12d53909 100644
--- a/tests/Kiota.Builder.Tests/Writers/TypeScript/CodeFunctionWriterTests.cs
+++ b/tests/Kiota.Builder.Tests/Writers/TypeScript/CodeFunctionWriterTests.cs
@@ -1159,8 +1159,6 @@ public async Task Writes_UnionOfPrimitiveValues_FactoryFunction()
         Assert.NotNull(modelCodeFile);
 
         /*
-         * 
-         * 
         \/**
         * Creates a new instance of the appropriate class based on discriminator value
         * @returns {ValidationError_errors_value}
@@ -1200,7 +1198,7 @@ public async Task Writes_UnionOfPrimitiveValues_SerializerFunction()
         var tempFilePath = Path.Combine(Path.GetTempPath(), Path.GetTempFileName());
         await File.WriteAllTextAsync(tempFilePath, GithubRepos.OpenApiYaml);
         var mockLogger = new Mock<ILogger<KiotaBuilder>>();
-        var builder = new KiotaBuilder(mockLogger.Object, new GenerationConfiguration { ClientClassName = "Github", OpenAPIFilePath = "https://api.apis.guru/v2/specs/github.com/api.github.com/1.1.4/openapi.json", Serializers = ["none"], Deserializers = ["none"] }, _httpClient);
+        var builder = new KiotaBuilder(mockLogger.Object, new GenerationConfiguration { ClientClassName = "Github", OpenAPIFilePath = "https://api.example.com/v1", Serializers = ["none"], Deserializers = ["none"] }, _httpClient);
         await using var fs = new FileStream(tempFilePath, FileMode.Open);
         var document = await builder.CreateOpenApiDocumentAsync(fs);
         var node = builder.CreateUriSpace(document);
@@ -1241,7 +1239,7 @@ public async Task Writes_UnionOfObjects_SerializerFunctions()
         var tempFilePath = Path.Combine(Path.GetTempPath(), Path.GetTempFileName());
         await File.WriteAllTextAsync(tempFilePath, PetsUnion.OpenApiYaml);
         var mockLogger = new Mock<ILogger<KiotaBuilder>>();
-        var builder = new KiotaBuilder(mockLogger.Object, new GenerationConfiguration { ClientClassName = "Pets", OpenAPIFilePath = "https://api.apis.guru/v2/specs/github.com/api.github.com/1.1.4/openapi.json", Serializers = ["none"], Deserializers = ["none"] }, _httpClient);
+        var builder = new KiotaBuilder(mockLogger.Object, new GenerationConfiguration { ClientClassName = "Pets", OpenAPIFilePath = "https://api.example.com/v1", Serializers = ["none"], Deserializers = ["none"] }, _httpClient);
         await using var fs = new FileStream(tempFilePath, FileMode.Open);
         var document = await builder.CreateOpenApiDocumentAsync(fs);
         var node = builder.CreateUriSpace(document);