diff --git a/src/NT8.Adapters/Class1.cs.bak b/src/NT8.Adapters/Class1.cs.bak
deleted file mode 100644
index 2099f23..0000000
--- a/src/NT8.Adapters/Class1.cs.bak
+++ /dev/null
@@ -1 +0,0 @@
-// Removed - replaced with PlaceholderAdapter.cs
\ No newline at end of file
diff --git a/src/NT8.Contracts/Class1.cs b/src/NT8.Contracts/Class1.cs
deleted file mode 100644
index 6c9613f..0000000
--- a/src/NT8.Contracts/Class1.cs
+++ /dev/null
@@ -1 +0,0 @@
-// Removed - replaced with PlaceholderContract.cs
\ No newline at end of file
diff --git a/src/NT8.Strategies/Class1.cs b/src/NT8.Strategies/Class1.cs
deleted file mode 100644
index 734f3c3..0000000
--- a/src/NT8.Strategies/Class1.cs
+++ /dev/null
@@ -1 +0,0 @@
-// Removed - replaced with PlaceholderStrategy.cs
\ No newline at end of file
diff --git a/src/_archive/legacy-orders/.gitkeep b/src/_archive/legacy-orders/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/NT8.Core/Orders/IOrderManager.cs b/src/_archive/legacy-orders/IOrderManager.cs
similarity index 100%
rename from src/NT8.Core/Orders/IOrderManager.cs
rename to src/_archive/legacy-orders/IOrderManager.cs
diff --git a/src/NT8.Core/Orders/OrderManager.cs b/src/_archive/legacy-orders/OrderManager.cs
similarity index 100%
rename from src/NT8.Core/Orders/OrderManager.cs
rename to src/_archive/legacy-orders/OrderManager.cs
diff --git a/src/NT8.Core/Orders/OrderModels.cs b/src/_archive/legacy-orders/OrderModels.cs
similarity index 100%
rename from src/NT8.Core/Orders/OrderModels.cs
rename to src/_archive/legacy-orders/OrderModels.cs
diff --git a/src/_archive/placeholders/.gitkeep b/src/_archive/placeholders/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/NT8.Adapters/PlaceholderAdapter.cs b/src/_archive/placeholders/PlaceholderAdapter.cs
similarity index 100%
rename from src/NT8.Adapters/PlaceholderAdapter.cs
rename to src/_archive/placeholders/PlaceholderAdapter.cs
diff --git a/src/NT8.Contracts/PlaceholderContract.cs b/src/_archive/placeholders/PlaceholderContract.cs
similarity index 100%
rename from src/NT8.Contracts/PlaceholderContract.cs
rename to src/_archive/placeholders/PlaceholderContract.cs
diff --git a/src/NT8.Strategies/PlaceholderStrategy.cs b/src/_archive/placeholders/PlaceholderStrategy.cs
similarity index 100%
rename from src/NT8.Strategies/PlaceholderStrategy.cs
rename to src/_archive/placeholders/PlaceholderStrategy.cs
diff --git a/tests/NT8.Integration.Tests/UnitTest1.cs b/tests/NT8.Integration.Tests/UnitTest1.cs
deleted file mode 100644
index ed89c6a..0000000
--- a/tests/NT8.Integration.Tests/UnitTest1.cs
+++ /dev/null
@@ -1 +0,0 @@
-// Removed - placeholder for integration tests
\ No newline at end of file
diff --git a/tests/NT8.Performance.Tests/UnitTest1.cs b/tests/NT8.Performance.Tests/UnitTest1.cs
deleted file mode 100644
index 2ab8325..0000000
--- a/tests/NT8.Performance.Tests/UnitTest1.cs
+++ /dev/null
@@ -1 +0,0 @@
-// Removed - placeholder for performance tests
\ No newline at end of file
diff --git a/tests/_archive/legacy-orders/.gitkeep b/tests/_archive/legacy-orders/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/tests/NT8.Core.Tests/Orders/OrderManagerTests.cs b/tests/_archive/legacy-orders/OrderManagerTests.cs
similarity index 100%
rename from tests/NT8.Core.Tests/Orders/OrderManagerTests.cs
rename to tests/_archive/legacy-orders/OrderManagerTests.cs
diff --git a/tests/_archive/placeholders/.gitkeep b/tests/_archive/placeholders/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/tests/NT8.Integration.Tests/PlaceholderTests.cs b/tests/_archive/placeholders/Integration_PlaceholderTests.cs
similarity index 100%
rename from tests/NT8.Integration.Tests/PlaceholderTests.cs
rename to tests/_archive/placeholders/Integration_PlaceholderTests.cs
diff --git a/tests/NT8.Performance.Tests/PlaceholderTests.cs b/tests/_archive/placeholders/Performance_PlaceholderTests.cs
similarity index 100%
rename from tests/NT8.Performance.Tests/PlaceholderTests.cs
rename to tests/_archive/placeholders/Performance_PlaceholderTests.cs