diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 61ae3e3f..fe8a43d0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,43 +31,32 @@ jobs:
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
-          components: rustfmt
         
       - name: Style check
         if: matrix.toolchain == 'nightly'
-        run: cargo fmt --all --check
+        run: rustup component add rustfmt && cargo fmt --all --check
 
       - name: Cargo build
         run: cargo build --verbose
 
-      - name: Cargo test
+      - name: Cargo test no features
         run: cargo test --verbose
 
-      - name: Cargo test w/ serde
-        run: cargo test --verbose --features serde
-
-      - name: Cargo test w/ malloc_size_of
-        run: cargo test --verbose --features malloc_size_of
-
-      - name: Cargo check w/o default features
-        if: matrix.toolchain == 'nightly'
-        run: cargo check --verbose --no-default-features
-
       - name: Cargo test all features
         if: matrix.toolchain == 'nightly'
         run: cargo test --verbose --all-features
 
       - name: Cargo doc all features
         if: matrix.toolchain == 'nightly'
-        run: cargo doc --all-features
+        run: cargo doc --all-features --verbose
 
-      - name: Cargo bench
+      - name: Cargo bench all features
         if: matrix.toolchain == 'nightly'
-        run: cargo bench --verbose bench
+        run: cargo bench --verbose --all-features
 
       - name: miri
         if: matrix.toolchain == 'nightly'
-        run: bash ./scripts/run_miri.sh
+        run: rustup component add miri && cargo miri test --verbose --all-features
 
       - name: fuzz
         if: matrix.fuzz == 1
diff --git a/Cargo.toml b/Cargo.toml
index 4dbbc234..912a2edb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ keywords = ["small", "vec", "vector", "stack", "no_std"]
 categories = ["data-structures"]
 readme = "README.md"
 documentation = "https://docs.rs/smallvec/"
-exclude = [".gitignore", "tests/", "scripts/", "fuzz/", "benches/", ".github/"]
+exclude = [".gitignore", "tests/", "fuzz/", "benches/", ".github/"]
 
 [features]
 std = []
diff --git a/scripts/run_miri.sh b/scripts/run_miri.sh
deleted file mode 100644
index ad9b596e..00000000
--- a/scripts/run_miri.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/bash
-
-set -ex
-
-# Clean out our target dir, which may have artifacts compiled by a version of
-# rust different from the one we're about to download.
-cargo clean
-
-# Install and run the latest version of nightly where miri built successfully.
-# Taken from: https://github.com/rust-lang/miri#running-miri-on-ci
-
-MIRI_NIGHTLY=nightly-$(curl -s https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/miri)
-echo "Installing latest nightly with Miri: $MIRI_NIGHTLY"
-rustup default "$MIRI_NIGHTLY"
-
-rustup component add miri
-cargo miri setup
-
-cargo miri test --verbose
-cargo clean
-cargo miri test --verbose --all-features