diff --git a/Cargo.lock b/Cargo.lock
index f92a3dd34..520b6c14b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1499,16 +1499,6 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
-[[package]]
-name = "pre-commit"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0f2b9887f84ec91cd86f71c193b883209d744bc8c2a3363c6b1df88efa5af8f"
-dependencies = [
- "rustc-serialize",
- "toml 0.2.1",
-]
-
 [[package]]
 name = "precomputed-hash"
 version = "0.1.1"
@@ -1522,7 +1512,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41fdbd1df62156fbc5945f4762632564d7d038153091c3fcf1067f6aef7cff92"
 dependencies = [
  "thiserror",
- "toml 0.5.8",
+ "toml",
 ]
 
 [[package]]
@@ -1732,12 +1722,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
-[[package]]
-name = "rustc-serialize"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
-
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -1762,7 +1746,6 @@ dependencies = [
  "libc",
  "log",
  "num-traits",
- "pre-commit",
  "python3-sys",
  "rustpython-compiler",
  "rustpython-parser",
@@ -2479,15 +2462,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
-[[package]]
-name = "toml"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "736b60249cb25337bc196faa43ee12c705e426f3d55c214d73a4e7be06f92cb4"
-dependencies = [
- "rustc-serialize",
-]
-
 [[package]]
 name = "toml"
 version = "0.5.8"
diff --git a/Cargo.toml b/Cargo.toml
index 8fc99bb26..d9e875cfb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 description = "A python interpreter written in rust."
 repository = "https://github.com/RustPython/RustPython"
 license = "MIT"
-include = ["LICENSE", "build.rs", "Cargo.toml", "src/**/*.rs"]
+include = ["LICENSE", "Cargo.toml", "src/**/*.rs"]
 
 [workspace]
 resolver = "2"
@@ -45,18 +45,11 @@ flamescope = { version = "0.1", optional = true }
 [target.'cfg(not(target_os = "wasi"))'.dependencies]
 rustyline = "9"
 
-
-[target.'cfg(not(target_os = "windows"))'.build-dependencies]
-pre-commit = "0.5.2"
-
 [dev-dependencies]
 cpython = "0.6"
 python3-sys = "0.6"
 criterion = "0.3"
 
-[package.metadata.precommit]
-fmt = "cargo fmt --all"
-
 [[bench]]
 name = "execution"
 harness = false
diff --git a/build.rs b/build.rs
deleted file mode 100644
index 84f368967..000000000
--- a/build.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    // build script to run pre-commit build script
-}