diff --git a/Code/Framework/Tests/FileTagTests.cpp b/Code/Framework/Tests/FileTagTests.cpp
index d17601ed1c..b94131afee 100644
--- a/Code/Framework/Tests/FileTagTests.cpp
+++ b/Code/Framework/Tests/FileTagTests.cpp
@@ -14,7 +14,6 @@
 #include <AzCore/IO/SystemFile.h>
 #include <AzCore/std/containers/set.h>
 #include <AzCore/std/smart_ptr/unique_ptr.h>
-#include <AzCore/Settings/SettingsRegistryMergeUtils.h>
 #include <AzCore/UnitTest/TestTypes.h>
 #include <AzCore/UserSettings/UserSettingsComponent.h>
 #include <AzFramework/Application/Application.h>
@@ -85,12 +84,6 @@ namespace UnitTest
         {
             AllocatorsFixture::SetUp();
 
-            AZ::SettingsRegistryInterface* registry = AZ::SettingsRegistry::Get();
-            auto projectPathKey =
-                AZ::SettingsRegistryInterface::FixedValueString(AZ::SettingsRegistryMergeUtils::BootstrapSettingsRootKey) + "/project_path";
-            registry->Set(projectPathKey, "AutomatedTesting");
-            AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_AddRuntimeFilePaths(*registry);
-
             m_data = AZStd::make_unique<StaticData>();
             using namespace  AzFramework::FileTag;
             AZ::ComponentApplication::Descriptor desc;
diff --git a/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp b/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp
index 5343a434cf..829d63472d 100644
--- a/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp
+++ b/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp
@@ -35,21 +35,6 @@ PlatformConfigurationUnitTests::PlatformConfigurationUnitTests()
 
 void PlatformConfigurationUnitTests::SetUp()
 {
-    AZ::SettingsRegistryInterface* registry = nullptr;
-    if (!AZ::SettingsRegistry::Get())
-    {
-        AZ::SettingsRegistry::Register(&m_registry);
-        registry = &m_registry;
-    }
-    else
-    {
-        registry = AZ::SettingsRegistry::Get();
-    }
-    auto projectPathKey = AZ::SettingsRegistryInterface::FixedValueString(AZ::SettingsRegistryMergeUtils::BootstrapSettingsRootKey)
-        + "/project_path";
-    registry->Set(projectPathKey, "AutomatedTesting");
-    AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_AddRuntimeFilePaths(*registry);
-
     using namespace AssetProcessor;
     m_qApp = new QCoreApplication(m_argc, m_argv);
     AssetProcessorTest::SetUp();
@@ -61,12 +46,6 @@ void PlatformConfigurationUnitTests::TearDown()
     AssetUtilities::ResetAssetRoot();
     delete m_qApp;
     AssetProcessor::AssetProcessorTest::TearDown();
-
-    auto settingsRegistry = AZ::SettingsRegistry::Get();
-    if(settingsRegistry == &m_registry)
-    {
-        AZ::SettingsRegistry::Unregister(settingsRegistry);
-    }
 }
 
 TEST_F(PlatformConfigurationUnitTests, TestFailReadConfigFile_BadPlatform)
diff --git a/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.h b/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.h
index 24b6fad1b0..0fb67ab947 100644
--- a/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.h
+++ b/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.h
@@ -13,7 +13,6 @@
 #pragma once
 
 #include <AzTest/AzTest.h>
-#include <AzCore/Settings/SettingsRegistryImpl.h>
 #include <QCoreApplication>
 #include "native/tests/AssetProcessorTest.h"
 #include "native/unittests/UnitTestRunner.h"
@@ -38,6 +37,5 @@ private:
     int         m_argc;
     char**      m_argv;
     QCoreApplication* m_qApp;
-    AZ::SettingsRegistryImpl m_registry;    
 };
 
diff --git a/Gems/LmbrCentral/Code/Tests/Builders/MaterialBuilderTests.cpp b/Gems/LmbrCentral/Code/Tests/Builders/MaterialBuilderTests.cpp
index 2f534be88a..8aae0c4790 100644
--- a/Gems/LmbrCentral/Code/Tests/Builders/MaterialBuilderTests.cpp
+++ b/Gems/LmbrCentral/Code/Tests/Builders/MaterialBuilderTests.cpp
@@ -16,8 +16,6 @@
 #include <AzTest/Utils.h>
 #include <AzCore/UnitTest/TestTypes.h>
 #include <AzCore/IO/FileIO.h>
-#include <AzCore/Settings/SettingsRegistryImpl.h>
-#include <AzCore/Settings/SettingsRegistryMergeUtils.h>
 #include <AzFramework/StringFunc/StringFunc.h>
 #include <AzToolsFramework/Application/ToolsApplication.h>
 #include <AssetBuilderSDK/AssetBuilderSDK.h>
@@ -45,21 +43,6 @@ protected:
         AZ::UserSettingsComponentRequestBus::Broadcast(&AZ::UserSettingsComponentRequests::DisableSaveOnFinalize);
         AZ::Debug::TraceMessageBus::Handler::BusConnect();
 
-        AZ::SettingsRegistryInterface* registry = nullptr;
-        if (!AZ::SettingsRegistry::Get())
-        {
-            AZ::SettingsRegistry::Register(&m_registry);
-            registry = &m_registry;
-        }
-        else
-        {
-            registry = AZ::SettingsRegistry::Get();
-        }
-        auto projectPathKey = AZ::SettingsRegistryInterface::FixedValueString(AZ::SettingsRegistryMergeUtils::BootstrapSettingsRootKey)
-            + "/project_path";
-        registry->Set(projectPathKey, "AutomatedTesting");
-        AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_AddRuntimeFilePaths(*registry);
-
         const AZStd::string engineRoot = AZ::Test::GetEngineRootPath();
         AZ::IO::FileIOBase::GetInstance()->SetAlias("@engroot@", engineRoot.c_str());
 
@@ -71,12 +54,6 @@ protected:
 
     void TearDown() override
     {
-        auto settingsRegistry = AZ::SettingsRegistry::Get();
-        if(settingsRegistry == &m_registry)
-        {
-            AZ::SettingsRegistry::Unregister(settingsRegistry);
-        }
-
         AZ::Debug::TraceMessageBus::Handler::BusDisconnect();
         m_app->Stop();
         m_app.reset();
@@ -144,7 +121,6 @@ protected:
     }
 
     AZStd::unique_ptr<AzToolsFramework::ToolsApplication> m_app;
-    AZ::SettingsRegistryImpl m_registry;
 };
 
 TEST_F(MaterialBuilderTests, MaterialBuilder_EmptyFile_ExpectFailure)