diff --git a/Package.swift b/Package.swift
index e489eccd4..e832894f4 100644
--- a/Package.swift
+++ b/Package.swift
@@ -50,6 +50,10 @@ let package = Package(
         "PythonKit",
         "CTensorFlow",
         .product(name: "Numerics", package: "swift-numerics"),
+      ],
+      swiftSettings: [
+        .define("USING_X10_BACKEND"),
+        .define("DEFAULT_BACKEND_EAGER"),
       ]),
     .target(
       name: "Experimental",
diff --git a/Sources/TensorFlow/Core/Device.swift b/Sources/TensorFlow/Core/Device.swift
deleted file mode 100644
index cb985823a..000000000
--- a/Sources/TensorFlow/Core/Device.swift
+++ /dev/null
@@ -1,35 +0,0 @@
-/// A device on which `Tensor`s can be allocated.
-///
-/// Currently, this is a stub because TensorFlow transfers tensors between devices on demand.
-public struct Device {
-  public static var `default`: Device { Device() }
-  public static var defaultTFEager: Device { Device() }
-
-  /// Backend used to dispatch the tensor operations.
-  public enum Backend {
-    case TF_EAGER
-
-    fileprivate var shortName: String {
-      switch self {
-      case .TF_EAGER: return "TF_EAGER"
-      }
-    }
-  }
-}
-
-extension Tensor {
-  /// The device on which `self` is allocated.
-  public var device: Device {
-    @_semantics("autodiff.nonvarying")
-    get {
-      return Device()
-    }
-  }
-}
-
-extension _Raw {
-  static func toDevice<T: TensorFlowScalar>(_ x: Tensor<T>, _ device: Device) -> Tensor<T> {
-    // TODO: Actually copy to device...
-    return x
-  }
-}
diff --git a/Sources/TensorFlow/X10/APIs/CrossReplicaSum.swift b/Sources/TensorFlow/X10/APIs/CrossReplicaSum.swift
new file mode 120000
index 000000000..75326de1b
--- /dev/null
+++ b/Sources/TensorFlow/X10/APIs/CrossReplicaSum.swift
@@ -0,0 +1 @@
+../../../x10/swift_bindings/apis/CrossReplicaSum.swift
\ No newline at end of file
diff --git a/Sources/TensorFlow/X10/APIs/DeviceScope.swift b/Sources/TensorFlow/X10/APIs/DeviceScope.swift
new file mode 120000
index 000000000..b0f9117b6
--- /dev/null
+++ b/Sources/TensorFlow/X10/APIs/DeviceScope.swift
@@ -0,0 +1 @@
+../../../x10/swift_bindings/apis/DeviceScope.swift
\ No newline at end of file
diff --git a/Sources/TensorFlow/X10/APIs/RawOpsManual.swift b/Sources/TensorFlow/X10/APIs/RawOpsManual.swift
new file mode 120000
index 000000000..591bb2ae4
--- /dev/null
+++ b/Sources/TensorFlow/X10/APIs/RawOpsManual.swift
@@ -0,0 +1 @@
+../../../x10/swift_bindings/apis/RawOpsManual.swift
\ No newline at end of file
diff --git a/Sources/TensorFlow/X10/Device.swift b/Sources/TensorFlow/X10/Device.swift
new file mode 120000
index 000000000..46dc06205
--- /dev/null
+++ b/Sources/TensorFlow/X10/Device.swift
@@ -0,0 +1 @@
+../../x10/swift_bindings/Device.swift
\ No newline at end of file
diff --git a/Sources/TensorFlow/X10/RawOpsXLAGenerated.swift b/Sources/TensorFlow/X10/RawOpsXLAGenerated.swift
new file mode 120000
index 000000000..092ebabda
--- /dev/null
+++ b/Sources/TensorFlow/X10/RawOpsXLAGenerated.swift
@@ -0,0 +1 @@
+../../x10/swift_bindings/RawOpsXLAGenerated.swift
\ No newline at end of file
diff --git a/Sources/TensorFlow/X10/XLAScalarType.swift b/Sources/TensorFlow/X10/XLAScalarType.swift
new file mode 120000
index 000000000..9e13e7567
--- /dev/null
+++ b/Sources/TensorFlow/X10/XLAScalarType.swift
@@ -0,0 +1 @@
+../../x10/swift_bindings/XLAScalarType.swift
\ No newline at end of file
diff --git a/Sources/TensorFlow/X10/XLATensor.swift b/Sources/TensorFlow/X10/XLATensor.swift
new file mode 120000
index 000000000..a356e0ff8
--- /dev/null
+++ b/Sources/TensorFlow/X10/XLATensor.swift
@@ -0,0 +1 @@
+../../x10/swift_bindings/XLATensor.swift
\ No newline at end of file