diff --git a/pyproject.toml b/pyproject.toml
deleted file mode 100644
index 1a1324b..0000000
--- a/pyproject.toml
+++ /dev/null
@@ -1,44 +0,0 @@
-[project]
-name = "robotics_transformer"
-description = ""
-readme = "README.md"
-requires-python = ">=3.7"
-license = {file = "LICENSE"}
-authors = [{name = "robotics_transformer authors", email="robotics_transformer@google.com"}]
-classifiers = [
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3 :: Only",
-    "License :: OSI Approved :: Apache Software License",
-    "Intended Audience :: Science/Research",
-]
-keywords = []
-
-# pip dependencies of the project
-dependencies = []
-
-# This is set automatically by flit using `robotics_transformer.__version__`
-dynamic = ["version"]
-
-[project.urls]
-homepage = "https://github.com/google-research/robotics_transformer"
-repository = "https://github.com/google-research/robotics_transformer"
-# Other: `documentation`, `changelog`
-
-[project.optional-dependencies]
-# Development deps (unittest, linting, formating,...)
-# Installed through `pip install .[dev]`
-dev = [
-    "pytest",
-    "pytest-xdist",
-    "pylint>=2.6.0",
-    "pyink",
-]
-
-[tool.pyink]
-# Formatting configuration to follow Google style-guide
-pyink-indentation = 2
-pyink-use-majority-quotes = true
-
-[build-system]
-requires = ["flit_core >=3.5,<4"]
-build-backend = "flit_core.buildapi"