diff --git a/.github/workflows/update-rust-toolchain.yml b/.github/workflows/update-rust-toolchain.yml
index 83a502d0..8dd1610c 100644
--- a/.github/workflows/update-rust-toolchain.yml
+++ b/.github/workflows/update-rust-toolchain.yml
@@ -11,17 +11,11 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-      - name: Install Nix
-        uses: cachix/install-nix-action@v16
-        with:
-          nix_path: nixpkgs=channel:nixos-unstable
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: update rust toolchain
         id: urt
         uses: a-kenji/update-rust-toolchain@main
         with:
-          minor-version-delta: 1
+          minor-version-delta: 2
           labels: |
             dependencies
             automated
diff --git a/assets/scripts/update-toolchain.sh b/assets/scripts/update-toolchain.sh
deleted file mode 100755
index fe027659..00000000
--- a/assets/scripts/update-toolchain.sh
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-# dependencies: bash, curl, jq
-#
-# Updates a rust-toolchain file in relation to the official rust releases.
-
-# How many minor versions delta there should be,
-# will automatically advance patch versions.
-MINOR_DELTA=2
-RUST_TOOLCHAIN_VERSION=$(grep -oP 'channel = "\K[^"]+' "./rust-toolchain")
-#RUST_TOOLCHAIN_FILE=../../rust-toolchain
-RUST_TOOLCHAIN_FILE=./rust-toolchain
-
-# update with new version number
-update_channel(){
-printf \
-"
-# This file is updated by \`update-toolchain.sh\`
-# We aim to be around 1-2 rust releases behind in order
-# to get people the time to update their toolchains properly.
-# By enforcing this, we can also make full use of the features
-# provided by the current channel.
-
-"
-sed -e "/channel/s/\".*\"/\"$1\"/" "${RUST_TOOLCHAIN_FILE}"
-}
-
-get_last_no_releases() {
-    curl --silent "https://api.github.com/repos/rust-lang/rust/releases" | \
-        jq '.[range(20)].tag_name' | sed -e 's/\"//g'
-}
-
-function parse_semver() {
-    local token="$1"
-    local major=0
-    local minor=0
-    local patch=0
-
-    if grep -E '^[0-9]+\.[0-9]+\.[0-9]+' <<<"$token" >/dev/null 2>&1 ; then
-        local n=${token//[!0-9]/ }
-        local a=(${n//\./ })
-        major=${a[0]}
-        minor=${a[1]}
-        patch=${a[2]}
-    fi
-
-    echo "$major $minor $patch"
-}
-function get_string_arrary() {
-    IFS=' ' read  -r -a array <<< "$1";
-    echo "${array["${2}"]}"
-}
-
-RUST_TOOLCHAIN_VERSION="$(parse_semver $(echo $RUST_TOOLCHAIN_VERSION))"
-TARGET_TOOLCHAIN_MINOR_VERSION=$(($(get_string_arrary "${RUST_TOOLCHAIN_VERSION}" 1) - MINOR_DELTA))
-
-LATEST=0
-for i in $(get_last_no_releases);do
-    SEMVER=($(parse_semver "$i"))
-    if [ "$LATEST" != "${SEMVER[1]}" ];then
-        MINOR_DELTA=$((MINOR_DELTA - 1))
-    fi
-    LATEST="${SEMVER[1]}"
-    if [ -1 == "${MINOR_DELTA}" ];then
-        echo "$(update_channel "$i")"> ${RUST_TOOLCHAIN_FILE}
-        exit
-    fi
-done