diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
deleted file mode 100644
index df310705..00000000
--- a/.github/workflows/benchmark.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-name: Benchmark
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  benchmark:
-    name: Run Rust benchmark
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - run: rustup toolchain update nightly && rustup default nightly
-      - name: Run benchmark
-        run: cargo +nightly bench | tee output.txt
-      - name: Store benchmark result
-        uses: rhysd/github-action-benchmark@v1
-        with:
-          name: Rust Benchmark
-          tool: 'cargo'
-          output-file-path: output.txt
-          # Use personal access token instead of GITHUB_TOKEN due to https://github.community/t5/GitHub-Actions/Github-action-not-triggering-gh-pages-upon-push/td-p/26869/highlight/false
-          github-token: ${{ secrets.RHAI }}
-          auto-push: true
-          # Show alert with commit comment on detecting possible performance regression
-          alert-threshold: '200%'
-          comment-on-alert: true
-          fail-on-alert: true
-          alert-comment-cc-users: '@schungx'
diff --git a/README.md b/README.md
index f89bc940..02b3e27b 100644
--- a/README.md
+++ b/README.md
@@ -376,7 +376,7 @@ The follow packages are available:
 
 | Package                  | Description                                     | In `CorePackage` | In `StandardPackage` |
 | ------------------------ | ----------------------------------------------- | :--------------: | :------------------: |
-| `BasicArithmeticPackage` | Arithmetic operators (e.g. `+`, `-`, `*`, `/`)  |       Yes        |         Yes          |
+| `ArithmeticPackage`      | Arithmetic operators (e.g. `+`, `-`, `*`, `/`)  |       Yes        |         Yes          |
 | `BasicIteratorPackage`   | Numeric ranges (e.g. `range(1, 10)`)            |       Yes        |         Yes          |
 | `LogicPackage`           | Logic and comparison operators (e.g. `==`, `>`) |       Yes        |         Yes          |
 | `BasicStringPackage`     | Basic string functions                          |       Yes        |         Yes          |