diff --git a/README-wheel.md b/README-wheel.md
index 1ba8c6fa0d..e04e6dfa6d 100644
--- a/README-wheel.md
+++ b/README-wheel.md
@@ -17,6 +17,7 @@ restrictions:
 * Only the [XNNPACK backend
   delegate](https://pytorch.org/executorch/main/native-delegates-executorch-xnnpack-delegate.html)
   is linked into the prebuilt module
+* [macOS only] [Core ML](https://pytorch.org/executorch/main/build-run-coreml.html) and [MPS](https://pytorch.org/executorch/main/build-run-mps.html) backend delegates are linked into the prebuilt module.
 
 Please visit the [ExecuTorch website](https://pytorch.org/executorch/) for
 tutorials and documentation. Here are some starting points:
diff --git a/build/packaging/env_var_script_m1.sh b/build/packaging/env_var_script_m1.sh
index 44ebd93ec9..da1192455f 100644
--- a/build/packaging/env_var_script_m1.sh
+++ b/build/packaging/env_var_script_m1.sh
@@ -20,7 +20,5 @@ export CMAKE_ARGS="${CMAKE_ARGS:-}"
 CMAKE_ARGS="${CMAKE_ARGS} -DEXECUTORCH_BUILD_XNNPACK=ON"
 
 # When building for macOS, link additional backends into the pybindings runtime.
-
-# TODO(dbort): Make these build properly in the CI environment.
-# CMAKE_ARGS="${CMAKE_ARGS} -DEXECUTORCH_BUILD_COREML=ON"
-# CMAKE_ARGS="${CMAKE_ARGS} -DEXECUTORCH_BUILD_MPS=ON"
+CMAKE_ARGS="${CMAKE_ARGS} -DEXECUTORCH_BUILD_COREML=ON"
+CMAKE_ARGS="${CMAKE_ARGS} -DEXECUTORCH_BUILD_MPS=ON"