diff --git a/eng/common/templates/steps/send-to-helix.yml b/eng/common/templates/steps/send-to-helix.yml
index cd02ae1607f..09a223989f7 100644
--- a/eng/common/templates/steps/send-to-helix.yml
+++ b/eng/common/templates/steps/send-to-helix.yml
@@ -20,7 +20,6 @@ parameters:
   IncludeDotNetCli: false                # optional -- true will download a version of the .NET CLI onto the Helix machine as a correlation payload; requires DotNetCliPackageType and DotNetCliVersion
   DotNetCliPackageType: ''               # optional -- either 'sdk', 'runtime' or 'aspnetcore-runtime'; determines whether the sdk or runtime will be sent to Helix; see https://raw.githubusercontent.com/dotnet/core/main/release-notes/releases-index.json
   DotNetCliVersion: ''                   # optional -- version of the CLI to send to Helix; based on this: https://raw.githubusercontent.com/dotnet/core/main/release-notes/releases-index.json
-  EnableXUnitReporter: false             # optional -- true enables XUnit result reporting to Mission Control
   WaitForWorkItemCompletion: true        # optional -- true will make the task wait until work items have been completed and fail the build if work items fail. False is "fire and forget."
   IsExternal: false                      # [DEPRECATED] -- doesn't do anything, jobs are external if HelixAccessToken is empty and Creator is set
   HelixBaseUri: 'https://helix.dot.net/' # optional -- sets the Helix API base URI (allows targeting int)
@@ -54,7 +53,6 @@ steps:
       IncludeDotNetCli: ${{ parameters.IncludeDotNetCli }}
       DotNetCliPackageType: ${{ parameters.DotNetCliPackageType }}
       DotNetCliVersion: ${{ parameters.DotNetCliVersion }}
-      EnableXUnitReporter: ${{ parameters.EnableXUnitReporter }}
       WaitForWorkItemCompletion: ${{ parameters.WaitForWorkItemCompletion }}
       HelixBaseUri: ${{ parameters.HelixBaseUri }}
       Creator: ${{ parameters.Creator }}
@@ -85,7 +83,6 @@ steps:
       IncludeDotNetCli: ${{ parameters.IncludeDotNetCli }}
       DotNetCliPackageType: ${{ parameters.DotNetCliPackageType }}
       DotNetCliVersion: ${{ parameters.DotNetCliVersion }}
-      EnableXUnitReporter: ${{ parameters.EnableXUnitReporter }}
       WaitForWorkItemCompletion: ${{ parameters.WaitForWorkItemCompletion }}
       HelixBaseUri: ${{ parameters.HelixBaseUri }}
       Creator: ${{ parameters.Creator }}
diff --git a/src/Microsoft.DotNet.Helix/Sdk/Readme.md b/src/Microsoft.DotNet.Helix/Sdk/Readme.md
index 612fd72bd7d..8b4a7d3a406 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/Readme.md
+++ b/src/Microsoft.DotNet.Helix/Sdk/Readme.md
@@ -180,7 +180,6 @@ Given a local folder `$(TestFolder)` containing `runtests.cmd`, this will run `r
         test-results.xml
         test_results.xml
     -->
-    <EnableXUnitReporter>false</EnableXUnitReporter>
     <!-- Instruct the sdk to wait for test result ingestion by MC, and fail if there are any failed work items or tests. -->
     <FailOnMissionControlTestFailure>false</FailOnMissionControlTestFailure>
 
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets
index 7f8604a40fa..b3f79a5c026 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets
@@ -1,9 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project>
-  <PropertyGroup>
-    <EnableXUnitReporter Condition=" '$(EnableXUnitReporter)' != 'true' ">false</EnableXUnitReporter>
-  </PropertyGroup>
-  
+<Project>  
   <PropertyGroup Condition=" '$(HelixTestConfigurationFilePath)' == '' ">
     <HelixTestConfigurationFilePath Condition=" '$(RepositoryEngineeringDir)' != '' ">$(RepositoryEngineeringDir)/test-configuration.json</HelixTestConfigurationFilePath>
   </PropertyGroup>
@@ -23,18 +19,6 @@
 
   <Import Project="$(_HelixMonoQueueTargets)" Condition="'$(_HelixMonoQueueTargets)' != ''"/>
 
-  <Target Name="AddXUnitReporter" Condition="$(EnableXUnitReporter)" BeforeTargets="CoreTest">
-    <ItemGroup>
-      <HelixCorrelationPayload Include="$(MSBuildThisFileDirectory)xunit-reporter"/>
-    </ItemGroup>
-    <PropertyGroup>
-      <HelixPostCommands Condition="$(IsPosixShell)">$(HelixPostCommands);$HELIX_PYTHONPATH -B $HELIX_CORRELATION_PAYLOAD/xunit-reporter.py</HelixPostCommands>
-      <HelixPostCommands Condition="!$(IsPosixShell)">$(HelixPostCommands);%HELIX_PYTHONPATH% -B %HELIX_CORRELATION_PAYLOAD%\xunit-reporter.py</HelixPostCommands>
-
-      <MaxRetryCount Condition="'$(MaxRetryCount)' == ''">0</MaxRetryCount>
-    </PropertyGroup>
-  </Target>
-
   <ItemGroup>
     <HelixProperties Condition="'$(HelixConfiguration)' != ''" Include="configuration" Value="$(HelixConfiguration)" />
     <HelixProperties Condition="'$(HelixArchitecture)' != ''" Include="architecture" Value="$(HelixArchitecture)" />
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/Readme.md b/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/Readme.md
index bebc13f69fa..89791ffa8bd 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/Readme.md
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/Readme.md
@@ -41,7 +41,6 @@ There are some required configuration properties that need to be set for XHarnes
   <HelixType>test/product/</HelixType>
   <HelixBaseUri>https://helix.int-dot.net</HelixBaseUri>
   <Creator>$(BUILD_SOURCEVERSIONAUTHOR)</Creator>
-  <EnableXUnitReporter>true</EnableXUnitReporter>
   <EnableAzurePipelinesReporter>true</EnableAzurePipelinesReporter>
 </PropertyGroup>
 
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/xunit-reporter/xunit-reporter.py b/src/Microsoft.DotNet.Helix/Sdk/tools/xunit-reporter/xunit-reporter.py
index 3cc16f6d0b9..750909a815a 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/xunit-reporter/xunit-reporter.py
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/xunit-reporter/xunit-reporter.py
@@ -1,124 +1,10 @@
 #!/usr/bin/env python
 
-import re
-import os
-import urllib
-import helix.azure_storage
 import helix.event
 import helix.settings
-import helix.logs
-
-log = helix.logs.get_logger()
-
-acceptableXUnitFileNames = [
-    "testResults.xml",
-    "test-results.xml",
-    "test_results.xml",
-    "TestResults.xUnit.xml"
-]
-
-class HelixHelper:
-    def __init__(self, settings):
-        self.settings = settings
-        self.event_client = helix.event.create_from_uri(settings.event_uri)
-        self.upload_client = helix.azure_storage.get_upload_client(settings)
-
-    def error(self, error_type, message, log_uri=None):
-        self.event_client.error(self.settings, error_type, message, log_uri)
-
-    def xunit_event(self, results_uri, test_count, file_name):
-        self.event_client.send(
-            {
-                'Type': 'XUnitTestResult',
-                'WorkItemId': self.settings.workitem_id,
-                'WorkItemFriendlyName': self.settings.workitem_friendly_name,
-                'CorrelationId': self.settings.correlation_id,
-                'ResultsXmlUri': results_uri,
-                'TestCount': test_count,
-            }
-        )
-
-    def file_event(self, results_uri, file_name):
-        self.event_client.send(
-            {
-                'Type': 'File',
-                'Uri': results_uri,
-                'FileName': file_name,
-                'WorkItemId': self.settings.workitem_id,
-                'WorkItemFriendlyName': self.settings.workitem_friendly_name,
-                'CorrelationId': self.settings.correlation_id,
-            }
-        )
-
-    def upload_file_to_storage(self, file_path):
-        """ Copy file specified to azure storage account using Helix infrastructure
-        :param file_path: Path to file to be copied to Azure storage
-        :type file_path:string
-        """
-        try:
-            return self.upload_client.upload(file_path, os.path.basename(file_path))
-        except ValueError:
-            self.error("FailedUpload", "Failed to upload "+file_path+"after retry")
-
-def findXUnitResults(search_dir):
-    for root, dirs, files in os.walk(search_dir):
-        for file_name in files:
-            if file_name in acceptableXUnitFileNames:
-                return os.path.join(root, file_name)
-    return None
-
-def main():
-    settings = helix.settings.settings_from_env()
-
-    if settings.output_uri is None or settings.event_uri is None:
-        log.error("Unable to report xunit results: output_uri and/or event_uri are not set.")
-        return 1
-
-    helper = HelixHelper(settings)
-    working_dir = settings.workitem_working_dir
-    upload_dir = settings.workitem_upload_dir
-    need_to_upload_results = True
-
-    results_path = findXUnitResults(working_dir)
-
-    if results_path is None:
-        log.info("Didn't find test results in working directory, trying upload folder")
-        results_path = findXUnitResults(upload_dir)
-        need_to_upload_results = False
-
-    if results_path is None:
-        log.error("Unable to report xunit results: no test results xml file found.")
-        return 2
-
-    log.info("Uploading results from {}".format(results_path))
-
-    with open(results_path, encoding="utf-8") as result_file:
-        test_count = 0
-        total_regex = re.compile(r'total="(\d+)"')
-        for line in result_file:
-            if '<assembly ' in line:
-                match = total_regex.search(line)
-                if match is not None:
-                    test_count = int(match.groups()[0])
-                break
-
-    log.info("Sending XUnit test result events")
-    if need_to_upload_results:
-        result_url = helper.upload_file_to_storage(results_path)
-        helper.file_event(result_url, os.path.basename(results_path))
-    else:
-        # Will be uploaded, but we still need to send events.
-        # This prevents duplicate uploads and errors from them in logs
-        result_url = '{container}/{file}{sas}'.format(
-            container=settings.output_uri,
-            file=os.path.basename(results_path),
-            sas=settings.output_read_token)
-    
-    helper.xunit_event(result_url, test_count, os.path.basename(results_path))
-
-    return 0
-
 
 if __name__ == '__main__':
-    import sys
-    sys.exit(main())
+    settings = helix.settings.settings_from_env()
+    event_client = helix.event.create_from_uri(settings.event_uri)
+    event_client.warning(settings, "Obsolete", "xunit-reporter.py is deprecated, please remove 'EnableXUnitReporter' from your build and use 'EnableAzurePipelinesReporter' instead.")
+    print("This reporter is deprecated")
diff --git a/tests/XHarness.Tests.Common.props b/tests/XHarness.Tests.Common.props
index cf6fd72ed5b..025c8706aa1 100644
--- a/tests/XHarness.Tests.Common.props
+++ b/tests/XHarness.Tests.Common.props
@@ -15,7 +15,6 @@
     <HelixType>test/product/</HelixType>
     <TestRunNamePrefix>$(AGENT_JOBNAME)</TestRunNamePrefix>
     <IncludeXHarnessCli>true</IncludeXHarnessCli>
-    <EnableXUnitReporter>true</EnableXUnitReporter>
     <EnableAzurePipelinesReporter>true</EnableAzurePipelinesReporter>
     <HelixBaseUri>https://helix.dot.net</HelixBaseUri>
     <EnableXHarnessTelemetry>true</EnableXHarnessTelemetry>
@@ -23,7 +22,6 @@
 
   <!-- For non-ci local runs -->
   <PropertyGroup Condition=" '$(AGENT_JOBNAME)' == '' ">
-    <EnableXUnitReporter>false</EnableXUnitReporter>
     <EnableAzurePipelinesReporter>false</EnableAzurePipelinesReporter>
   </PropertyGroup>