diff --git a/.github/actions-rs/grcov.yml b/.github/actions-rs/grcov.yml
deleted file mode 100644
index 7b5f273..0000000
--- a/.github/actions-rs/grcov.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-ignore-not-existing: true
-ignore:
-  - "../*"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a426e19..e4c5364 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,3 @@
-# Based on https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
-
 name: CI
 
 on: [push, pull_request]
@@ -17,11 +15,9 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install ${{ matrix.toolchain }} toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-          override: true
+        run: |
+          rustup update ${{ matrix.toolchain }}
+          rustup default ${{ matrix.toolchain }}
 
       - name: Run cargo check
         uses: actions-rs/cargo@v1
@@ -37,11 +33,9 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
+        run: |
+          rustup update nightly
+          rustup default nightly
 
       - name: Install cargo no-std-check
         uses: actions-rs/cargo@v1
@@ -75,11 +69,9 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install ${{ matrix.toolchain }} toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-          override: true
+        run: |
+          rustup update ${{ matrix.toolchain }}
+          rustup default ${{ matrix.toolchain }}
 
       - name: Run cargo test
         uses: actions-rs/cargo@v1
@@ -99,12 +91,10 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Install ${{ matrix.toolchain }} toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-          override: true
-          components: rustfmt, clippy
+        run: |
+          rustup update ${{ matrix.toolchain }}
+          rustup default ${{ matrix.toolchain }}
+          rustup component add rustfmt clippy
 
       - name: Run cargo fmt
         uses: actions-rs/cargo@v1
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
deleted file mode 100644
index 29995ad..0000000
--- a/.github/workflows/coverage.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-# Based on https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
-
-name: Coverage
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  grcov:
-    name: Coverage
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-
-      - name: Install toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          override: true
-
-      - name: Execute tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all --all-features
-        env:
-          CARGO_INCREMENTAL: 0
-          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off"
-
-      - name: Gather coverage data
-        id: coverage
-        uses: actions-rs/grcov@v0.1
-
-      - name: Coveralls upload
-        uses: coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          parallel: true
-          path-to-lcov: ${{ steps.coverage.outputs.report }}
-
-  grcov_finalize:
-    runs-on: ubuntu-latest
-    needs: grcov
-    steps:
-      - name: Coveralls finalization
-        uses: coverallsapp/github-action@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          parallel-finished: true
diff --git a/Cargo.toml b/Cargo.toml
index cee32cf..850b989 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,9 +11,6 @@ categories = ["compression", "no-std"]
 license = "MIT"
 edition = "2021"
 
-[badges]
-coveralls = {repository = "sile/libflate"}
-
 [dependencies]
 adler32 = { version = "1", default-features = false }
 crc32fast = { version = "1.1.1", default-features = false }
diff --git a/README.md b/README.md
index 61459db..3af5720 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@ libflate
 [![libflate](https://img.shields.io/crates/v/libflate.svg)](https://crates.io/crates/libflate)
 [![Documentation](https://docs.rs/libflate/badge.svg)](https://docs.rs/libflate)
 [![Actions Status](https://github.com/sile/libflate/workflows/CI/badge.svg)](https://github.com/sile/libflate/actions)
-[![Coverage Status](https://coveralls.io/repos/github/sile/libflate/badge.svg?branch=master)](https://coveralls.io/github/sile/libflate?branch=master)
 [![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 
 A Rust implementation of DEFLATE algorithm and related formats (ZLIB, GZIP).
diff --git a/libflate_lz77/Cargo.toml b/libflate_lz77/Cargo.toml
index 5462cca..f01e054 100644
--- a/libflate_lz77/Cargo.toml
+++ b/libflate_lz77/Cargo.toml
@@ -11,9 +11,6 @@ keywords = ["lz77"]
 categories = ["compression"]
 license = "MIT"
 
-[badges]
-coveralls = {repository = "sile/libflate"}
-
 [dependencies]
 rle-decode-fast = "1.0.0"
 core2 = { version = "0.4", default-features = false, features = ["alloc"] }