diff --git a/.ci/scripts/utils.sh b/.ci/scripts/utils.sh
index be684b7bfa2..ebed4a31500 100644
--- a/.ci/scripts/utils.sh
+++ b/.ci/scripts/utils.sh
@@ -17,7 +17,7 @@ retry () {
 }
 
 clean_executorch_install_folders() {
-  ./install_executorch.sh --clean
+  ./install_requirements.sh --clean
 }
 
 install_executorch() {
@@ -25,9 +25,9 @@ install_executorch() {
   # Install executorch, this assumes that Executorch is checked out in the
   # current directory.
   if [[ "${1:-}" == "use-pt-pinned-commit" ]]; then
-    ./install_executorch.sh --pybind xnnpack --use-pt-pinned-commit
+    ./install_requirements.sh --pybind xnnpack --use-pt-pinned-commit
   else
-    ./install_executorch.sh --pybind xnnpack
+    ./install_requirements.sh --pybind xnnpack
   fi
   # Just print out the list of packages for debugging
   pip list
diff --git a/.github/workflows/apple.yml b/.github/workflows/apple.yml
index 8ac755bf5df..2e85eeec763 100644
--- a/.github/workflows/apple.yml
+++ b/.github/workflows/apple.yml
@@ -9,7 +9,7 @@ on:
     paths:
       - .ci/scripts/setup-ios.sh
       - .github/workflows/apple.yml
-      - install_executorch.sh
+      - install_requirements.sh
       - backends/apple/**
       - build/build_apple_frameworks.sh
       - build/build_apple_llm_demo.sh
diff --git a/.github/workflows/pull.yml b/.github/workflows/pull.yml
index dbe0e872acd..b629a52e72c 100644
--- a/.github/workflows/pull.yml
+++ b/.github/workflows/pull.yml
@@ -200,7 +200,7 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh "cmake"
 
         # install pybind
-        bash install_executorch.sh --pybind xnnpack
+        bash install_requirements.sh --pybind xnnpack
 
         # install Llava requirements
         bash examples/models/llama/install_requirements.sh
@@ -436,7 +436,7 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh "cmake"
 
         # install pybind
-        bash install_executorch.sh --pybind xnnpack
+        bash install_requirements.sh --pybind xnnpack
 
         # install phi-3-mini requirements
         bash examples/models/phi-3-mini/install_requirements.sh
@@ -463,7 +463,7 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh "cmake"
 
         # install pybind
-        bash install_executorch.sh --pybind xnnpack
+        bash install_requirements.sh --pybind xnnpack
 
         # install llama requirements
         bash examples/models/llama/install_requirements.sh
@@ -490,7 +490,7 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh "cmake"
 
         # install pybind
-        bash install_executorch.sh --pybind xnnpack
+        bash install_requirements.sh --pybind xnnpack
 
         # install llama requirements
         bash examples/models/llama/install_requirements.sh
@@ -517,7 +517,7 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh "cmake"
 
         # install pybind
-        bash install_executorch.sh --pybind xnnpack
+        bash install_requirements.sh --pybind xnnpack
 
         # install llama requirements
         bash examples/models/llama/install_requirements.sh
diff --git a/.gitmodules b/.gitmodules
index f3407ec95fb..afae765e2b8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -55,12 +55,18 @@
 [submodule "third-party/ios-cmake"]
 	path = third-party/ios-cmake
 	url = https://github.com/leetal/ios-cmake
+[submodule "backends/cadence/hifi/third-party/nnlib/nnlib-hifi4"]
+	path = backends/cadence/hifi/third-party/nnlib/nnlib-hifi4
+	url = https://github.com/foss-xtensa/nnlib-hifi4.git
 [submodule "third-party/prelude"]
 	path = third-party/prelude
 	url = https://github.com/facebook/buck2-prelude.git
 [submodule "third-party/pybind11"]
 	path = third-party/pybind11
 	url = https://github.com/pybind/pybind11.git
+[submodule "backends/cadence/fusion_g3/third-party/nnlib/nnlib-FusionG3"]
+	path = backends/cadence/fusion_g3/third-party/nnlib/nnlib-FusionG3
+	url = https://github.com/foss-xtensa/nnlib-FusionG3.git
 [submodule "third-party/ao"]
 	path = third-party/ao
 	url = https://github.com/pytorch/ao.git
diff --git a/backends/apple/mps/setup.md b/backends/apple/mps/setup.md
index 82344876531..7cd4c240a43 100644
--- a/backends/apple/mps/setup.md
+++ b/backends/apple/mps/setup.md
@@ -97,7 +97,7 @@ I 00:00:00.122615 executorch:mps_executor_runner.mm:501] Model verified successf
 ### [Optional] Run the generated model directly using pybind
 1. Make sure `pybind` MPS support was installed:
 ```bash
-./install_executorch.sh --pybind mps
+./install_requirements.sh --pybind mps
 ```
 2. Run the `mps_example` script to trace the model and run it directly from python:
 ```bash
diff --git a/backends/cadence/.gitignore b/backends/cadence/.gitignore
deleted file mode 100644
index b635c3e88de..00000000000
--- a/backends/cadence/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-hifi/third-party/nnlib/nnlib-hifi4
-fusion_g3/third-party/nnlib/nnlib-FusionG3
\ No newline at end of file
diff --git a/backends/cadence/build_cadence_fusionG3.sh b/backends/cadence/build_cadence_fusionG3.sh
index 3e73dd6dc52..7a4dd68fb34 100644
--- a/backends/cadence/build_cadence_fusionG3.sh
+++ b/backends/cadence/build_cadence_fusionG3.sh
@@ -12,8 +12,7 @@ unset XTENSA_CORE
 export XTENSA_CORE=FCV_FG3GP
 git submodule sync
 git submodule update --init
-./backends/cadence/install_requirements.sh
-./install_executorch.sh
+./install_requirements.sh
 
 rm -rf cmake-out
 
diff --git a/backends/cadence/build_cadence_hifi4.sh b/backends/cadence/build_cadence_hifi4.sh
index e4821e1ff03..28a38127520 100644
--- a/backends/cadence/build_cadence_hifi4.sh
+++ b/backends/cadence/build_cadence_hifi4.sh
@@ -12,8 +12,7 @@ unset XTENSA_CORE
 export XTENSA_CORE=nxp_rt600_RI23_11_newlib
 git submodule sync
 git submodule update --init
-./backends/cadence/install_requirements.sh
-./install_executorch.sh
+./install_requirements.sh
 
 rm -rf cmake-out
 
diff --git a/backends/cadence/fusion_g3/third-party/nnlib/nnlib-FusionG3 b/backends/cadence/fusion_g3/third-party/nnlib/nnlib-FusionG3
new file mode 160000
index 00000000000..8ddd1c39d4b
--- /dev/null
+++ b/backends/cadence/fusion_g3/third-party/nnlib/nnlib-FusionG3
@@ -0,0 +1 @@
+Subproject commit 8ddd1c39d4b20235ebe9dac68d92848da2885ece
diff --git a/backends/cadence/hifi/third-party/nnlib/nnlib-hifi4 b/backends/cadence/hifi/third-party/nnlib/nnlib-hifi4
new file mode 160000
index 00000000000..102944a6f76
--- /dev/null
+++ b/backends/cadence/hifi/third-party/nnlib/nnlib-hifi4
@@ -0,0 +1 @@
+Subproject commit 102944a6f76a0de4d81adc431f3f132f517aa87f
diff --git a/backends/cadence/install_requirements.sh b/backends/cadence/install_requirements.sh
deleted file mode 100755
index 76cff4b30f3..00000000000
--- a/backends/cadence/install_requirements.sh
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env bash
-
-SCRIPT_DIR_PATH="$(
-    cd -- "$(dirname "$0")" >/dev/null 2>&1
-    pwd -P
-)"
-
-red=`tput setaf 1`
-green=`tput setaf 2`
-
-EXECUTORCH_ROOT_PATH=$(realpath "$SCRIPT_DIR_PATH/../../")
-CADENCE_DIR_PATH="$EXECUTORCH_ROOT_PATH/backends/cadence"
-HIFI_DIR_PATH="$CADENCE_DIR_PATH/hifi/third-party/nnlib/nnlib-hifi4"
-FUSION_DIR_PATH="$CADENCE_DIR_PATH/fusion_g3/third-party/nnlib/nnlib-FusionG3"
-
-cd "$EXECUTORCH_ROOT_PATH"
-
-## HiFi 
-
-rm -rf "$HIFI_DIR_PATH"
-mkdir -p "$HIFI_DIR_PATH"
-
-echo "${green}ExecuTorch: Cloning hifi nnlib"
-git clone "https://github.com/foss-xtensa/nnlib-hifi4.git" $HIFI_DIR_PATH
-cd $HIFI_DIR_PATH
-STATUS=$?
-if [ $STATUS -ne 0 ]; then
-    echo "${red}ExecuTorch: Failed to clone hifi nnlib."
-    exit 1
-fi
-
-git checkout 102944a6f76a0de4d81adc431f3f132f517aa87f
-
-
-## Fusion G3
-
-rm -rf "$FUSION_DIR_PATH"
-mkdir -p "$FUSION_DIR_PATH"
-
-echo "${green}ExecuTorch: Cloning fusion g3"
-git clone "https://github.com/foss-xtensa/nnlib-FusionG3.git" $FUSION_DIR_PATH
-cd $FUSION_DIR_PATH
-STATUS=$?
-if [ $STATUS -ne 0 ]; then
-    echo "${red}ExecuTorch: Failed to clone fusion g3."
-    exit 1
-fi
-
-git checkout 11230f47b587b074ba0881deb28beb85db566ac2
diff --git a/backends/vulkan/docs/android_demo.md b/backends/vulkan/docs/android_demo.md
index 7eab1c21f89..ce23eb989fd 100644
--- a/backends/vulkan/docs/android_demo.md
+++ b/backends/vulkan/docs/android_demo.md
@@ -81,7 +81,7 @@ First, build and install ExecuTorch libraries, then build the LLaMA runner
 binary using the Android NDK toolchain.
 
 ```shell
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 (mkdir cmake-android-out && \
   cmake . -DCMAKE_INSTALL_PREFIX=cmake-android-out \
     -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK/build/cmake/android.toolchain.cmake \
diff --git a/backends/xnnpack/README.md b/backends/xnnpack/README.md
index 967a852599a..2184257b791 100644
--- a/backends/xnnpack/README.md
+++ b/backends/xnnpack/README.md
@@ -98,7 +98,7 @@ After exporting the XNNPACK Delegated model, we can now try running it with exam
 cd executorch
 
 # Get a clean cmake-out directory
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-out
 
 # Configure cmake
diff --git a/build/test_ios.sh b/build/test_ios.sh
index cdc02098cee..150a974cc1f 100755
--- a/build/test_ios.sh
+++ b/build/test_ios.sh
@@ -63,7 +63,7 @@ say "Installing Requirements"
 
 pip install --upgrade cmake pip setuptools wheel zstd
 
-./install_executorch.sh --pybind coreml mps xnnpack
+./install_requirements.sh --pybind coreml mps xnnpack
 export PATH="$(realpath third-party/flatbuffers/cmake-out):$PATH"
 ./build/install_flatc.sh
 
diff --git a/docs/README.md b/docs/README.md
index dd1fded5aa9..c65bd8474e0 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -65,7 +65,7 @@ To build the documentation locally:
 1. Run:
 
    ```bash
-   bash install_executorch.sh
+   bash install_requirements.sh
    ```
 
 1. Go to the `docs/` directory.
diff --git a/docs/source/apple-runtime.md b/docs/source/apple-runtime.md
index fe744add52e..bfda12db216 100644
--- a/docs/source/apple-runtime.md
+++ b/docs/source/apple-runtime.md
@@ -109,7 +109,7 @@ python3 -m venv .venv && source .venv/bin/activate && pip install --upgrade pip
 4. Install the required dependencies, including those needed for the backends like [Core ML](build-run-coreml.md) or [MPS](build-run-mps.md), if you plan to build them as well:
 
 ```bash
-./install_executorch.sh --pybind coreml mps xnnpack
+./install_requirements.sh --pybind coreml mps xnnpack
 
 # Optional dependencies for Core ML backend.
 ./backends/apple/coreml/scripts/install_requirements.sh
diff --git a/docs/source/build-run-xtensa.md b/docs/source/build-run-xtensa.md
index 6097c9095a6..bc90ee52922 100644
--- a/docs/source/build-run-xtensa.md
+++ b/docs/source/build-run-xtensa.md
@@ -162,7 +162,7 @@ In order to run the CMake build, you need the path to the following:
 
 ```bash
 cd executorch
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-out
 # prebuild and install executorch library
 cmake -DCMAKE_TOOLCHAIN_FILE=<path_to_executorch>/backends/cadence/cadence.cmake \
diff --git a/docs/source/getting-started-setup.md b/docs/source/getting-started-setup.md
index fe0b042e605..e21a73195c2 100644
--- a/docs/source/getting-started-setup.md
+++ b/docs/source/getting-started-setup.md
@@ -92,23 +92,23 @@ Alternatively, if you would like to experiment with ExecuTorch quickly and easil
    # Install ExecuTorch pip package and its dependencies, as well as
    # development tools like CMake.
    # If developing on a Mac, make sure to install the Xcode Command Line Tools first.
-   ./install_executorch.sh
+   ./install_requirements.sh
    ```
 
-   Use the [`--pybind` flag](https://github.com/pytorch/executorch/blob/main/install_executorch.sh#L26-L29) to install with pybindings and dependencies for other backends.
+   Use the [`--pybind` flag](https://github.com/pytorch/executorch/blob/main/install_requirements.sh#L26-L29) to install with pybindings and dependencies for other backends.
    ```bash
-   ./install_executorch.sh --pybind <coreml | mps | xnnpack>
+   ./install_requirements.sh --pybind <coreml | mps | xnnpack>
 
    # Example: pybindings with CoreML *only*
-   ./install_executorch.sh --pybind coreml
+   ./install_requirements.sh --pybind coreml
 
    # Example: pybinds with CoreML *and* XNNPACK
-   ./install_executorch.sh --pybind coreml xnnpack
+   ./install_requirements.sh --pybind coreml xnnpack
    ```
 
-   By default, `./install_executorch.sh` command installs pybindings for XNNPACK. To disable any pybindings altogether:
+   By default, `./install_requirements.sh` command installs pybindings for XNNPACK. To disable any pybindings altogether:
    ```bash
-   ./install_executorch.sh --pybind off
+   ./install_requirements.sh --pybind off
    ```
 
 After setting up your environment, you are ready to convert your PyTorch programs
@@ -125,7 +125,7 @@ to ExecuTorch.
 >
 > ```bash
 > # From the root of the executorch repo:
-> ./install_executorch.sh --clean
+> ./install_requirements.sh --clean
 > git submodule sync
 > git submodule update --init
 > ```
@@ -208,7 +208,7 @@ The ExecuTorch repo uses CMake to build its C++ code. Here, we'll configure it t
   ```bash
   # Clean and configure the CMake build system. Compiled programs will
   # appear in the executorch/cmake-out directory we create here.
-  ./install_executorch.sh --clean
+  ./install_requirements.sh --clean
   (mkdir cmake-out && cd cmake-out && cmake ..)
 
   # Build the executor_runner target
@@ -226,7 +226,7 @@ The ExecuTorch repo uses CMake to build its C++ code. Here, we'll configure it t
 >
 > ```bash
 > # From the root of the executorch repo:
-> ./install_executorch.sh --clean
+> ./install_requirements.sh --clean
 > git submodule sync
 > git submodule update --init
 > ```
diff --git a/docs/source/llm/getting-started.md b/docs/source/llm/getting-started.md
index f0de7cc9c97..9f88d7de361 100644
--- a/docs/source/llm/getting-started.md
+++ b/docs/source/llm/getting-started.md
@@ -52,7 +52,7 @@ git submodule update --init
 # Create a conda environment and install requirements.
 conda create -yn executorch python=3.10.0
 conda activate executorch
-./install_executorch.sh
+./install_requirements.sh
 
 cd ../..
 ```
@@ -83,7 +83,7 @@ cd third-party/executorch
 git submodule update --init
 
 # Install requirements.
-PYTHON_EXECUTABLE=python ./install_executorch.sh
+PYTHON_EXECUTABLE=python ./install_requirements.sh
 
 cd ../..
 ```
@@ -396,7 +396,7 @@ At this point, the working directory should contain the following files:
 
 If all of these are present, you can now build and run:
 ```bash
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 (mkdir cmake-out && cd cmake-out && cmake ..)
 cmake --build cmake-out -j10
 ./cmake-out/nanogpt_runner
diff --git a/docs/source/runtime-build-and-cross-compilation.md b/docs/source/runtime-build-and-cross-compilation.md
index 3574b76b6df..f30d2d28d1c 100644
--- a/docs/source/runtime-build-and-cross-compilation.md
+++ b/docs/source/runtime-build-and-cross-compilation.md
@@ -45,7 +45,7 @@ cd executorch
 
 # Clean and configure the CMake build system. It's good practice to do this
 # whenever cloning or pulling the upstream repo.
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 (mkdir cmake-out && cd cmake-out && cmake ..)
 ```
 
@@ -122,7 +122,7 @@ Following are instruction on how to perform cross compilation for Android and iO
 Assuming Android NDK is available, run:
 ```bash
 # Run the following lines from the `executorch/` folder
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-android-out && cd cmake-android-out
 
 # point -DCMAKE_TOOLCHAIN_FILE to the location where ndk is installed
diff --git a/docs/source/tutorial-xnnpack-delegate-lowering.md b/docs/source/tutorial-xnnpack-delegate-lowering.md
index c81f61878c6..f4579e2cce4 100644
--- a/docs/source/tutorial-xnnpack-delegate-lowering.md
+++ b/docs/source/tutorial-xnnpack-delegate-lowering.md
@@ -147,7 +147,7 @@ After exporting the XNNPACK Delegated model, we can now try running it with exam
 cd executorch
 
 # Get a clean cmake-out directory
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-out
 
 # Configure cmake
diff --git a/examples/demo-apps/android/ExecuTorchDemo/README.md b/examples/demo-apps/android/ExecuTorchDemo/README.md
index 931509891a6..1feb9ca92dc 100644
--- a/examples/demo-apps/android/ExecuTorchDemo/README.md
+++ b/examples/demo-apps/android/ExecuTorchDemo/README.md
@@ -70,7 +70,7 @@ export ANDROID_NDK=<path-to-android-ndk>
 export ANDROID_ABI=arm64-v8a
 
 # Run the following lines from the `executorch/` folder
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-android-out
 
 # Build the core executorch library
@@ -114,7 +114,7 @@ export ANDROID_NDK=<path-to-android-ndk>
 export ANDROID_ABI=arm64-v8a
 export QNN_SDK_ROOT=<path-to-qnn-sdk>
 
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-android-out
 cmake . -DCMAKE_INSTALL_PREFIX=cmake-android-out \
     -DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK}/build/cmake/android.toolchain.cmake" \
diff --git a/examples/demo-apps/android/LlamaDemo/docs/delegates/mediatek_README.md b/examples/demo-apps/android/LlamaDemo/docs/delegates/mediatek_README.md
index 6351640dcc0..b80ea516468 100644
--- a/examples/demo-apps/android/LlamaDemo/docs/delegates/mediatek_README.md
+++ b/examples/demo-apps/android/LlamaDemo/docs/delegates/mediatek_README.md
@@ -36,7 +36,7 @@ git submodule update --init
 ```
 Install dependencies
 ```
-./install_executorch.sh
+./install_requirements.sh
 ```
 ## Setup Environment Variables
 ### Download Buck2 and make executable
diff --git a/examples/demo-apps/android/LlamaDemo/docs/delegates/qualcomm_README.md b/examples/demo-apps/android/LlamaDemo/docs/delegates/qualcomm_README.md
index 92afe613f7b..7790f66923c 100644
--- a/examples/demo-apps/android/LlamaDemo/docs/delegates/qualcomm_README.md
+++ b/examples/demo-apps/android/LlamaDemo/docs/delegates/qualcomm_README.md
@@ -34,7 +34,7 @@ git submodule update --init
 ```
 Install dependencies
 ```
-./install_executorch.sh
+./install_requirements.sh
 ```
 
 ## Setup QNN
diff --git a/examples/demo-apps/android/LlamaDemo/docs/delegates/xnnpack_README.md b/examples/demo-apps/android/LlamaDemo/docs/delegates/xnnpack_README.md
index a2ac04ae93a..087bd242608 100644
--- a/examples/demo-apps/android/LlamaDemo/docs/delegates/xnnpack_README.md
+++ b/examples/demo-apps/android/LlamaDemo/docs/delegates/xnnpack_README.md
@@ -36,12 +36,12 @@ git submodule update --init
 ```
 Install dependencies
 ```
-./install_executorch.sh
+./install_requirements.sh
 ```
 
 Optional: Use the --pybind flag to install with pybindings.
 ```
-./install_executorch.sh --pybind xnnpack
+./install_requirements.sh --pybind xnnpack
 ```
 
 
diff --git a/examples/demo-apps/apple_ios/ExecuTorchDemo/README.md b/examples/demo-apps/apple_ios/ExecuTorchDemo/README.md
index 844c83d2200..4a4e682a4ad 100644
--- a/examples/demo-apps/apple_ios/ExecuTorchDemo/README.md
+++ b/examples/demo-apps/apple_ios/ExecuTorchDemo/README.md
@@ -51,7 +51,7 @@ python3 -m venv .venv && source .venv/bin/activate
 
 pip install --upgrade cmake pip setuptools wheel
 
-./install_executorch.sh --pybind coreml mps xnnpack
+./install_requirements.sh --pybind coreml mps xnnpack
 ```
 
 ### 4. Backend Dependencies
diff --git a/examples/demo-apps/apple_ios/LLaMA/docs/delegates/mps_README.md b/examples/demo-apps/apple_ios/LLaMA/docs/delegates/mps_README.md
index bfe66bbd4e4..eb3c244dee7 100644
--- a/examples/demo-apps/apple_ios/LLaMA/docs/delegates/mps_README.md
+++ b/examples/demo-apps/apple_ios/LLaMA/docs/delegates/mps_README.md
@@ -33,7 +33,7 @@ git submodule update --init
 Install dependencies
 
 ```
-./install_executorch.sh
+./install_requirements.sh
 ```
 
 ## Prepare Models
diff --git a/examples/demo-apps/apple_ios/LLaMA/docs/delegates/xnnpack_README.md b/examples/demo-apps/apple_ios/LLaMA/docs/delegates/xnnpack_README.md
index b3576280426..1e03993c949 100644
--- a/examples/demo-apps/apple_ios/LLaMA/docs/delegates/xnnpack_README.md
+++ b/examples/demo-apps/apple_ios/LLaMA/docs/delegates/xnnpack_README.md
@@ -32,11 +32,11 @@ git submodule update --init
 Install dependencies
 
 ```
-./install_executorch.sh
+./install_requirements.sh
 ```
 Optional: Use the --pybind flag to install with pybindings.
 ```
-./install_executorch.sh --pybind xnnpack
+./install_requirements.sh --pybind xnnpack
 ```
 ## Prepare Models
 In this demo app, we support text-only inference with up-to-date Llama models and image reasoning inference with LLaVA 1.5.
diff --git a/examples/demo-apps/react-native/rnllama/README.md b/examples/demo-apps/react-native/rnllama/README.md
index 33c607d635f..76c44a6621e 100644
--- a/examples/demo-apps/react-native/rnllama/README.md
+++ b/examples/demo-apps/react-native/rnllama/README.md
@@ -26,7 +26,7 @@ A React Native mobile application for running LLaMA language models using ExecuT
 
 3. Pull submodules: `git submodule sync && git submodule update --init`
 
-4. Install dependencies: `./install_executorch.sh --pybind xnnpack && ./examples/models/llama/install_requirements.sh`
+4. Install dependencies: `./install_requirements.sh --pybind xnnpack && ./examples/models/llama/install_requirements.sh`
 
 5. Follow the instructions in the [README](https://github.com/pytorch/executorch/blob/main/examples/models/llama/README.md#option-a-download-and-export-llama32-1b3b-model) to export a model as `.pte`
 
@@ -40,4 +40,4 @@ A React Native mobile application for running LLaMA language models using ExecuT
 
 10. Select the model and tokenizer in the app to start chatting:
 
-[![rnllama]](https://github.com/user-attachments/assets/b339f1ec-8b80-41f0-b3f6-ded6698ac926)
+[![rnllama]](https://github.com/user-attachments/assets/b339f1ec-8b80-41f0-b3f6-ded6698ac926)
\ No newline at end of file
diff --git a/examples/devtools/build_example_runner.sh b/examples/devtools/build_example_runner.sh
index b6a14bcfb1e..693996940d5 100755
--- a/examples/devtools/build_example_runner.sh
+++ b/examples/devtools/build_example_runner.sh
@@ -37,7 +37,7 @@ done
 main() {
   cd "${EXECUTORCH_ROOT}"
 
-  ./install_executorch.sh --clean
+  ./install_requirements.sh --clean
 
   if [[ "${BUILD_COREML}" == "ON" ]]; then
     cmake -DCMAKE_INSTALL_PREFIX=cmake-out \
diff --git a/examples/models/llama/README.md b/examples/models/llama/README.md
index 7a8838fb016..cf9553c1c6e 100644
--- a/examples/models/llama/README.md
+++ b/examples/models/llama/README.md
@@ -148,7 +148,7 @@ Llama 3 8B performance was measured on the Samsung Galaxy S22, S24, and OnePlus
 ## Step 1: Setup
 > :warning: **double check your python environment**: make sure `conda activate <VENV>` is run before all the bash and python scripts.
 
-1. Follow the [tutorial](https://pytorch.org/executorch/main/getting-started-setup) to set up ExecuTorch. For installation run `./install_executorch.sh --pybind xnnpack`
+1. Follow the [tutorial](https://pytorch.org/executorch/main/getting-started-setup) to set up ExecuTorch. For installation run `./install_requirements.sh --pybind xnnpack`
 2. Run `examples/models/llama/install_requirements.sh` to install a few dependencies.
 
 
@@ -440,8 +440,8 @@ This example tries to reuse the Python code, with minimal modifications to make
 ```
 git clean -xfd
 pip uninstall executorch
-./install_executorch.sh --clean
-./install_executorch.sh --pybind xnnpack
+./install_requirements.sh --clean
+./install_requirements.sh --pybind xnnpack
 ```
 - If you encounter `pthread` related issues during link time, add `pthread` in `target_link_libraries` in `CMakeLists.txt`
 - On Mac, if there is linking error in Step 4 with error message like
diff --git a/examples/models/llava/README.md b/examples/models/llava/README.md
index d0dc71c0a85..ad2f3f3dc99 100644
--- a/examples/models/llava/README.md
+++ b/examples/models/llava/README.md
@@ -37,7 +37,7 @@ application to test things out on device.
 Run the following command to generate `llava.pte`, `tokenizer.bin` and an image
 tensor (serialized in TorchScript) `image.pt`.
 
-Prerequisite: run `install_executorch.sh` to install ExecuTorch and run
+Prerequisite: run `install_requirements.sh` to install ExecuTorch and run
 `examples/models/llava/install_requirements.sh` to install dependencies.
 
 ```bash
diff --git a/examples/models/phi-3-mini-lora/README.md b/examples/models/phi-3-mini-lora/README.md
index 2b7cc0ba401..8e4b2428071 100644
--- a/examples/models/phi-3-mini-lora/README.md
+++ b/examples/models/phi-3-mini-lora/README.md
@@ -5,7 +5,7 @@ To see how you can use the model exported for training in a fully involved finet
 
 ## Instructions
 ### Step 1: [Optional] Install ExecuTorch dependencies
-`./install_executorch.sh` in ExecuTorch root directory.
+`./install_requirements.sh` in ExecuTorch root directory.
 
 ### Step 2: Install Requirements
 - `./examples/models/phi-3-mini-lora/install_requirements.sh`
@@ -19,7 +19,7 @@ python export_model.py
 2. Run the inference model using an example runtime. For more detailed steps on this, check out [Build & Run](https://pytorch.org/executorch/stable/getting-started-setup.html#build-run).
 ```
 # Clean and configure the CMake build system. Compiled programs will appear in the executorch/cmake-out directory we create here.
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 (mkdir cmake-out && cd cmake-out && cmake ..)
 
 # Build the executor_runner target
diff --git a/examples/models/phi-3-mini/README.md b/examples/models/phi-3-mini/README.md
index ba878d42a3f..e5a86c41777 100644
--- a/examples/models/phi-3-mini/README.md
+++ b/examples/models/phi-3-mini/README.md
@@ -3,7 +3,7 @@ This example demonstrates how to run a [Phi-3-mini](https://huggingface.co/micro
 
 # Instructions
 ## Step 1: Setup
-1. Follow the [tutorial](https://pytorch.org/executorch/main/getting-started-setup) to set up ExecuTorch. For installation run `./install_executorch.sh --pybind xnnpack`
+1. Follow the [tutorial](https://pytorch.org/executorch/main/getting-started-setup) to set up ExecuTorch. For installation run `./install_requirements.sh --pybind xnnpack`
 2. Currently, we support transformers v4.44.2. Install transformers with the following command:
 ```
 pip uninstall -y transformers ; pip install transformers==4.44.2
diff --git a/examples/portable/README.md b/examples/portable/README.md
index a6658197da3..e469df1510d 100644
--- a/examples/portable/README.md
+++ b/examples/portable/README.md
@@ -45,7 +45,7 @@ Use `-h` (or `--help`) to see all the supported models.
 
 ```bash
 # Build the tool from the top-level `executorch` directory.
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 (mkdir cmake-out \
     && cd cmake-out \
     && cmake -DEXECUTORCH_PAL_DEFAULT=posix ..) \
diff --git a/examples/xnnpack/README.md b/examples/xnnpack/README.md
index 624dd33b849..a519d935b52 100644
--- a/examples/xnnpack/README.md
+++ b/examples/xnnpack/README.md
@@ -86,7 +86,7 @@ After exporting the XNNPACK Delegated model, we can now try running it with exam
 cd executorch
 
 # Get a clean cmake-out directory
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-out
 
 # Configure cmake
diff --git a/extension/pybindings/README.md b/extension/pybindings/README.md
index 767c0266ed3..8c1adf2c220 100644
--- a/extension/pybindings/README.md
+++ b/extension/pybindings/README.md
@@ -9,7 +9,7 @@ pip install . --no-build-isolation
 Or when installing the rest of dependencies:
 
 ```bash
-install_executorch.sh --pybind
+install_requirements.sh --pybind
 ```
 
 # Link Backends
@@ -25,7 +25,7 @@ pip install . --no-build-isolation
 Similarly, when installing the rest of dependencies:
 
 ```bash
-install_executorch.sh --pybind coreml mps xnnpack
+install_requirements.sh --pybind coreml mps xnnpack
 ```
 
 ## Functions
diff --git a/extension/training/README.md b/extension/training/README.md
index f6f8d5139a6..44195471a71 100644
--- a/extension/training/README.md
+++ b/extension/training/README.md
@@ -230,7 +230,7 @@ After exporting the model for training, we can now try learning using CMake. We
 cd executorch
 
 # Get a clean cmake-out directory
-./install_executorch.sh --clean
+./install_requirements.sh --clean
 mkdir cmake-out
 
 # Configure cmake
diff --git a/install_executorch.py b/install_executorch.py
deleted file mode 100644
index 37ef3185ad3..00000000000
--- a/install_executorch.py
+++ /dev/null
@@ -1,142 +0,0 @@
-# Copyright (c) Meta Platforms, Inc. and affiliates.
-# Copyright 2024-25 Arm Limited and/or its affiliates.
-# All rights reserved.
-#
-# This source code is licensed under the BSD-style license found in the
-# LICENSE file in the root directory of this source tree.
-
-
-import argparse
-import glob
-import itertools
-import os
-import shutil
-import subprocess
-import sys
-
-from install_requirements import (
-    install_requirements,
-    python_is_compatible,
-    TORCH_NIGHTLY_URL,
-)
-
-
-def clean():
-    print("Cleaning build artifacts...")
-    print("Cleaning pip-out/...")
-    shutil.rmtree("pip-out/", ignore_errors=True)
-    dirs = glob.glob("cmake-out*/") + glob.glob("cmake-android-out/")
-    for d in dirs:
-        print(f"Cleaning {d}...")
-        shutil.rmtree(d, ignore_errors=True)
-    print("Done cleaning build artifacts.")
-
-
-VALID_PYBINDS = ["coreml", "mps", "xnnpack"]
-
-
-def main(args):
-    if not python_is_compatible():
-        sys.exit(1)
-
-    # Parse options.
-
-    EXECUTORCH_BUILD_PYBIND = ""
-    CMAKE_ARGS = os.getenv("CMAKE_ARGS", "")
-    use_pytorch_nightly = True
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "--pybind",
-        action="append",
-        nargs="+",
-        help="one or more of coreml/mps/xnnpack, or off",
-    )
-    parser.add_argument(
-        "--clean",
-        action="store_true",
-        help="clean build artifacts and pip-out instead of installing",
-    )
-    parser.add_argument(
-        "--use-pt-pinned-commit",
-        action="store_true",
-        help="build from the pinned PyTorch commit instead of nightly",
-    )
-    args = parser.parse_args(args)
-    if args.pybind:
-        # Flatten list of lists.
-        args.pybind = list(itertools.chain(*args.pybind))
-        if "off" in args.pybind:
-            if len(args.pybind) != 1:
-                raise Exception(
-                    f"Cannot combine `off` with other pybinds: {args.pybind}"
-                )
-            EXECUTORCH_BUILD_PYBIND = "OFF"
-        else:
-            for pybind_arg in args.pybind:
-                if pybind_arg not in VALID_PYBINDS:
-                    raise Exception(
-                        f"Unrecognized pybind argument {pybind_arg}; valid options are: {', '.join(VALID_PYBINDS)}"
-                    )
-                EXECUTORCH_BUILD_PYBIND = "ON"
-                CMAKE_ARGS += f" -DEXECUTORCH_BUILD_{pybind_arg.upper()}=ON"
-
-    if args.clean:
-        clean()
-        return
-
-    if args.use_pt_pinned_commit:
-        # This option is used in CI to make sure that PyTorch build from the pinned commit
-        # is used instead of nightly. CI jobs wouldn't be able to catch regression from the
-        # latest PT commit otherwise
-        use_pytorch_nightly = False
-
-    install_requirements(use_pytorch_nightly)
-
-    # If --pybind is not set explicitly for backends (e.g., --pybind xnnpack)
-    # or is not turned off explicitly (--pybind off)
-    # then install XNNPACK by default.
-    if EXECUTORCH_BUILD_PYBIND == "":
-        EXECUTORCH_BUILD_PYBIND = "ON"
-        CMAKE_ARGS += " -DEXECUTORCH_BUILD_XNNPACK=ON"
-
-    # Use ClangCL on Windows.
-    # ClangCL is an alias to Clang that configures it to work in an MSVC-compatible
-    # mode. Using it on Windows to avoid compiler compatibility issues for MSVC.
-    if os.name == "nt":
-        CMAKE_ARGS += " -T ClangCL"
-
-    #
-    # Install executorch pip package. This also makes `flatc` available on the path.
-    # The --extra-index-url may be necessary if pyproject.toml has a dependency on a
-    # pre-release or nightly version of a torch package.
-    #
-
-    # Set environment variables
-    os.environ["EXECUTORCH_BUILD_PYBIND"] = EXECUTORCH_BUILD_PYBIND
-    os.environ["CMAKE_ARGS"] = CMAKE_ARGS
-
-    # Run the pip install command
-    subprocess.run(
-        [
-            sys.executable,
-            "-m",
-            "pip",
-            "install",
-            ".",
-            "--no-build-isolation",
-            "-v",
-            "--extra-index-url",
-            TORCH_NIGHTLY_URL,
-        ],
-        check=True,
-    )
-
-
-if __name__ == "__main__":
-    # Before doing anything, cd to the directory containing this script.
-    os.chdir(os.path.dirname(os.path.abspath(__file__)))
-    if not python_is_compatible():
-        sys.exit(1)
-
-    main(sys.argv[1:])
diff --git a/install_executorch.sh b/install_executorch.sh
deleted file mode 100755
index ec8cad12266..00000000000
--- a/install_executorch.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-# Copyright (c) Meta Platforms, Inc. and affiliates.
-# All rights reserved.
-#
-# This source code is licensed under the BSD-style license found in the
-# LICENSE file in the root directory of this source tree.
-
-# Before doing anything, cd to the directory containing this script.
-cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || /bin/true
-./run_python_script.sh ./install_executorch.py "$@"
diff --git a/install_executorch.bat b/install_requirements.bat
similarity index 84%
rename from install_executorch.bat
rename to install_requirements.bat
index 863ade7bdbb..4cfe4b21c4b 100644
--- a/install_executorch.bat
+++ b/install_requirements.bat
@@ -16,6 +16,6 @@ if "%PYTHON_EXECUTABLE%"=="" (
   )
 )
 
-"%PYTHON_EXECUTABLE%" install_executorch.py %*
+"%PYTHON_EXECUTABLE%" install_requirements.py %*
 
-exit /b %ERRORLEVEL%
+exit /b %ERRORLEVEL%
\ No newline at end of file
diff --git a/install_requirements.py b/install_requirements.py
index c634e483945..adb26170cd0 100644
--- a/install_requirements.py
+++ b/install_requirements.py
@@ -5,12 +5,18 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
-import argparse
+
+import glob
+import os
 import platform
 import re
+import shutil
 import subprocess
 import sys
 
+# Before doing anything, cd to the directory containing this script.
+os.chdir(os.path.dirname(os.path.abspath(__file__)))
+
 
 def python_is_compatible():
     # Scrape the version range from pyproject.toml, which should be in the current directory.
@@ -57,9 +63,69 @@ def python_is_compatible():
     return True
 
 
-# The pip repository that hosts nightly torch packages.
-TORCH_NIGHTLY_URL = "https://download.pytorch.org/whl/nightly/cpu"
+if not python_is_compatible():
+    sys.exit(1)
+
+# Parse options.
+
+EXECUTORCH_BUILD_PYBIND = ""
+CMAKE_ARGS = os.getenv("CMAKE_ARGS", "")
+CMAKE_BUILD_ARGS = os.getenv("CMAKE_BUILD_ARGS", "")
+USE_PYTORCH_NIGHTLY = True
+
+args = sys.argv[1:]
+for arg in args:
+    if arg == "--pybind":
+        pass
+    elif arg in ["coreml", "mps", "xnnpack"]:
+        if "--pybind" in args:
+            arg_upper = arg.upper()
+            EXECUTORCH_BUILD_PYBIND = "ON"
+            CMAKE_ARGS += f" -DEXECUTORCH_BUILD_{arg_upper}=ON"
+        else:
+            print(f"Error: {arg} must follow --pybind")
+            sys.exit(1)
+    elif arg == "off":
+        if "--pybind" in args:
+            if EXECUTORCH_BUILD_PYBIND == "ON":
+                print("Cannot turnoff pybind option as it is already set.")
+                sys.exit(1)
+            EXECUTORCH_BUILD_PYBIND = "OFF"
+        else:
+            print(f"Error: {arg} must follow --pybind")
+            sys.exit(1)
+
+    elif arg == "--clean":
+        print("Cleaning build artifacts...")
+        print("Cleaning pip-out/...")
+        shutil.rmtree("pip-out/", ignore_errors=True)
+        dirs = glob.glob("cmake-out*/") + glob.glob("cmake-android-out/")
+        for d in dirs:
+            print(f"Cleaning {d}...")
+            shutil.rmtree(d, ignore_errors=True)
+        print("Done cleaning build artifacts.")
+        sys.exit(0)
+    elif arg == "--use-pt-pinned-commit":
+        # This option is used in CI to make sure that PyTorch build from the pinned commit
+        # is used instead of nightly. CI jobs wouldn't be able to catch regression from the
+        # latest PT commit otherwise
+        USE_PYTORCH_NIGHTLY = False
+    else:
+        print(f"Error: Unknown option {arg}")
+        sys.exit(1)
+
+# If --pybind is not set explicitly for backends (e.g., --pybind xnnpack)
+# or is not turned off explicitly (--pybind off)
+# then install XNNPACK by default.
+if EXECUTORCH_BUILD_PYBIND == "":
+    EXECUTORCH_BUILD_PYBIND = "ON"
+    CMAKE_ARGS += " -DEXECUTORCH_BUILD_XNNPACK=ON"
 
+# Use ClangCL on Windows.
+# ClangCL is an alias to Clang that configures it to work in an MSVC-compatible
+# mode. Using it on Windows to avoid compiler compatibility issues for MSVC.
+if os.name == "nt":
+    CMAKE_ARGS += " -T ClangCL"
 
 # Since ExecuTorch often uses main-branch features of pytorch, only the nightly
 # pip versions will have the required features.
@@ -69,84 +135,102 @@ def python_is_compatible():
 # package versions.
 NIGHTLY_VERSION = "dev20250104"
 
+# The pip repository that hosts nightly torch packages.
+TORCH_NIGHTLY_URL = "https://download.pytorch.org/whl/nightly/cpu"
 
-def install_requirements(use_pytorch_nightly):
-    # pip packages needed by exir.
-    EXIR_REQUIREMENTS = [
-        # Setting use_pytorch_nightly to false to test the pinned PyTorch commit. Note
-        # that we don't need to set any version number there because they have already
-        # been installed on CI before this step, so pip won't reinstall them
-        f"torch==2.6.0.{NIGHTLY_VERSION}" if use_pytorch_nightly else "torch",
-        (
-            f"torchvision==0.22.0.{NIGHTLY_VERSION}"
-            if use_pytorch_nightly
-            else "torchvision"
-        ),  # For testing.
-    ]
-
-    EXAMPLES_REQUIREMENTS = [
-        f"torchaudio==2.6.0.{NIGHTLY_VERSION}" if use_pytorch_nightly else "torchaudio",
-    ]
-
-    # Assemble the list of requirements to actually install.
-    # TODO: Add options for reducing the number of requirements.
-    REQUIREMENTS_TO_INSTALL = EXIR_REQUIREMENTS + EXAMPLES_REQUIREMENTS
-
-    # Install the requirements. `--extra-index-url` tells pip to look for package
-    # versions on the provided URL if they aren't available on the default URL.
-    subprocess.run(
-        [
-            sys.executable,
-            "-m",
-            "pip",
-            "install",
-            "-r",
-            "requirements-examples.txt",
-            "-r",
-            "requirements-dev.txt",
-            *REQUIREMENTS_TO_INSTALL,
-            "--extra-index-url",
-            TORCH_NIGHTLY_URL,
-        ],
-        check=True,
-    )
-
-    LOCAL_REQUIREMENTS = [
-        "third-party/ao",  # We need the latest kernels for fast iteration, so not relying on pypi.
-    ]
-
-    # Install packages directly from local copy instead of pypi.
-    # This is usually not recommended.
-    subprocess.run(
-        [
-            sys.executable,
-            "-m",
-            "pip",
-            "install",
-            # Without --no-build-isolation, setup.py can't find the torch module.
-            "--no-build-isolation",
-            *LOCAL_REQUIREMENTS,
-        ],
-        check=True,
-    )
-
-
-def main(args):
-    parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "--use-pt-pinned-commit",
-        action="store_true",
-        help="build from the pinned PyTorch commit instead of nightly",
-    )
-    args = parser.parse_args(args)
-    install_requirements(use_pytorch_nightly=not bool(args.use_pt_pinned_commit))
-
-
-if __name__ == "__main__":
-    import os
-
-    # Before doing anything, cd to the directory containing this script.
-    os.chdir(os.path.dirname(os.path.abspath(__file__)))
-    if not python_is_compatible():
-        sys.exit(1)
-    main(sys.argv[1:])
+# pip packages needed by exir.
+EXIR_REQUIREMENTS = [
+    # Setting USE_PYTORCH_NIGHTLY to false to test the pinned PyTorch commit. Note
+    # that we don't need to set any version number there because they have already
+    # been installed on CI before this step, so pip won't reinstall them
+    f"torch==2.6.0.{NIGHTLY_VERSION}" if USE_PYTORCH_NIGHTLY else "torch",
+    (
+        f"torchvision==0.22.0.{NIGHTLY_VERSION}"
+        if USE_PYTORCH_NIGHTLY
+        else "torchvision"
+    ),  # For testing.
+    "typing-extensions",
+]
+
+# pip packages needed to run examples.
+# TODO: Make each example publish its own requirements.txt
+EXAMPLES_REQUIREMENTS = [
+    "timm==1.0.7",
+    f"torchaudio==2.6.0.{NIGHTLY_VERSION}" if USE_PYTORCH_NIGHTLY else "torchaudio",
+    "torchsr==1.0.4",
+    "transformers==4.47.1",
+]
+
+# pip packages needed for development.
+DEVEL_REQUIREMENTS = [
+    "cmake",  # For building binary targets.
+    "pip>=23",  # For building the pip package.
+    "pyyaml",  # Imported by the kernel codegen tools.
+    "setuptools>=63",  # For building the pip package.
+    "tomli",  # Imported by extract_sources.py when using python < 3.11.
+    "wheel",  # For building the pip package archive.
+    "zstd",  # Imported by resolve_buck.py.
+]
+
+# Assemble the list of requirements to actually install.
+# TODO: Add options for reducing the number of requirements.
+REQUIREMENTS_TO_INSTALL = EXIR_REQUIREMENTS + DEVEL_REQUIREMENTS + EXAMPLES_REQUIREMENTS
+
+# Install the requirements. `--extra-index-url` tells pip to look for package
+# versions on the provided URL if they aren't available on the default URL.
+subprocess.run(
+    [
+        sys.executable,
+        "-m",
+        "pip",
+        "install",
+        *REQUIREMENTS_TO_INSTALL,
+        "--extra-index-url",
+        TORCH_NIGHTLY_URL,
+    ],
+    check=True,
+)
+
+LOCAL_REQUIREMENTS = [
+    "third-party/ao",  # We need the latest kernels for fast iteration, so not relying on pypi.
+]
+
+# Install packages directly from local copy instead of pypi.
+# This is usually not recommended.
+subprocess.run(
+    [
+        sys.executable,
+        "-m",
+        "pip",
+        "install",
+        *LOCAL_REQUIREMENTS,
+    ],
+    check=True,
+)
+
+#
+# Install executorch pip package. This also makes `flatc` available on the path.
+# The --extra-index-url may be necessary if pyproject.toml has a dependency on a
+# pre-release or nightly version of a torch package.
+#
+
+# Set environment variables
+os.environ["EXECUTORCH_BUILD_PYBIND"] = EXECUTORCH_BUILD_PYBIND
+os.environ["CMAKE_ARGS"] = CMAKE_ARGS
+os.environ["CMAKE_BUILD_ARGS"] = CMAKE_BUILD_ARGS
+
+# Run the pip install command
+subprocess.run(
+    [
+        sys.executable,
+        "-m",
+        "pip",
+        "install",
+        ".",
+        "--no-build-isolation",
+        "-v",
+        "--extra-index-url",
+        TORCH_NIGHTLY_URL,
+    ],
+    check=True,
+)
diff --git a/install_requirements.sh b/install_requirements.sh
index ef156cd020e..6caaa880e66 100755
--- a/install_requirements.sh
+++ b/install_requirements.sh
@@ -7,4 +7,19 @@
 
 # Before doing anything, cd to the directory containing this script.
 cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || /bin/true
-./run_python_script.sh ./install_requirements.py "$@"
+
+# Find the names of the python tools to use.
+if [[ -z $PYTHON_EXECUTABLE ]];
+then
+  if [[ -z $CONDA_DEFAULT_ENV ]] || [[ $CONDA_DEFAULT_ENV == "base" ]] || [[ ! -x "$(command -v python)" ]];
+  then
+    PYTHON_EXECUTABLE=python3
+  else
+    PYTHON_EXECUTABLE=python
+  fi
+fi
+
+$PYTHON_EXECUTABLE ./install_requirements.py "$@"
+
+# Exit with the same status as the python script.
+exit $?
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index fb59bf3d21a..00000000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-cmake  # For building binary targets in the wheel.
-pip>=23  # For building the pip package.
-pyyaml  # Imported by the kernel codegen tools.
-setuptools>=63  # For building the pip package contents.
-tomli  # Imported by extract_sources.py when using python < 3.11.
-wheel  # For building the pip package archive.
-zstd  # Imported by resolve_buck.py.
diff --git a/requirements-examples.txt b/requirements-examples.txt
deleted file mode 100644
index d4126a178aa..00000000000
--- a/requirements-examples.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-# pip packages needed to run examples.
-# TODO: Make each example publish its own requirements.txt
-timm == 1.0.7
-torchsr == 1.0.4
-transformers ==4.47.1
diff --git a/run_python_script.sh b/run_python_script.sh
deleted file mode 100755
index 4f9a74ec360..00000000000
--- a/run_python_script.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash
-# Copyright (c) Meta Platforms, Inc. and affiliates.
-# All rights reserved.
-#
-# This source code is licensed under the BSD-style license found in the
-# LICENSE file in the root directory of this source tree.
-
-# Before doing anything, cd to the directory containing this script.
-cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || /bin/true
-
-# Find the names of the python tools to use.
-if [[ -z $PYTHON_EXECUTABLE ]];
-then
-  if [[ -z $CONDA_DEFAULT_ENV ]] || [[ $CONDA_DEFAULT_ENV == "base" ]] || [[ ! -x "$(command -v python)" ]];
-  then
-    PYTHON_EXECUTABLE=python3
-  else
-    PYTHON_EXECUTABLE=python
-  fi
-fi
-
-SCRIPT="$1"; shift
-$PYTHON_EXECUTABLE $SCRIPT "$@"
-
-# Exit with the same status as the python script.
-exit $?