diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index f4bf959a68..0000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,70 +0,0 @@
-[submodule "cmake/external/protobuf"]
-	path = cmake/external/protobuf
-	url = https://github.com/protocolbuffers/protobuf.git
-[submodule "cmake/external/googletest"]
-	path = cmake/external/googletest
-	url = https://github.com/google/googletest.git
-[submodule "cmake/external/googlebenchmark"]
-	path = cmake/external/googlebenchmark
-	url = https://github.com/google/benchmark.git
-[submodule "cmake/external/onnx"]
-	path = cmake/external/onnx
-	url = https://github.com/onnx/onnx.git
-[submodule "cmake/external/date"]
-	path = cmake/external/date
-	url = https://github.com/HowardHinnant/date.git
-[submodule "cmake/external/nsync"]
-	path = cmake/external/nsync
-	url = https://github.com/google/nsync.git
-[submodule "cmake/external/re2"]
-	path = cmake/external/re2
-	url = https://github.com/google/re2.git
-[submodule "cmake/external/eigen"]
-	path = cmake/external/eigen
-	url = https://gitlab.com/libeigen/eigen.git
-[submodule "cmake/external/cxxopts"]
-	path = cmake/external/cxxopts
-	url = https://github.com/jarro2783/cxxopts.git
-[submodule "cmake/external/tensorboard"]
-	path = cmake/external/tensorboard
-	url = https://github.com/tensorflow/tensorboard.git
-[submodule "cmake/external/mimalloc"]
-	path = cmake/external/mimalloc
-	url = https://github.com/microsoft/mimalloc.git
-[submodule "cmake/external/cub"]
-	path = cmake/external/cub
-	url = https://github.com/NVlabs/cub.git
-[submodule "cmake/external/wil"]
-	path = cmake/external/wil
-	url = https://github.com/microsoft/wil.git
-[submodule "cmake/external/json"]
-	path = cmake/external/json
-	url = https://github.com/nlohmann/json.git
-[submodule "server/external/spdlog"]
-	path = server/external/spdlog
-	url = https://github.com/gabime/spdlog.git
-	branch = master
-[submodule "cmake/external/libprotobuf-mutator"]
-	path = cmake/external/libprotobuf-mutator
-	url = https://github.com/google/libprotobuf-mutator.git
-[submodule "cmake/external/flatbuffers"]
-	path = cmake/external/flatbuffers
-	url = https://github.com/google/flatbuffers.git
-[submodule "cmake/external/SafeInt/safeint"]
-	path = cmake/external/SafeInt/safeint
-	url = https://github.com/dcleblanc/SafeInt.git
-[submodule "cmake/external/mp11"]
-	path = cmake/external/mp11
-	url = https://github.com/boostorg/mp11.git
-[submodule "cmake/external/dlpack"]
-	path = cmake/external/dlpack
-	url = https://github.com/dmlc/dlpack.git
-[submodule "cmake/external/onnxruntime-extensions"]
-	path = cmake/external/onnxruntime-extensions
-	url = https://github.com/microsoft/onnxruntime-extensions.git
-[submodule "cmake/external/pytorch_cpuinfo"]
-	path = cmake/external/pytorch_cpuinfo
-	url = https://github.com/pytorch/cpuinfo.git
-[submodule "cmake/external/onnx-tensorrt"]
-	path = cmake/external/onnx-tensorrt
-	url = https://github.com/onnx/onnx-tensorrt.git