diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index bec0cdaf5855..65b9d0705d5c 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -501,8 +501,8 @@ jobs:
           - string_enum
           - swc
           - swc_bundler
-          # - swc_ecma_codegen
-          # - swc_ecma_minifier
+          - swc_ecma_codegen
+          - swc_ecma_minifier
     steps:
       - uses: actions/checkout@v4
         with:
@@ -536,7 +536,12 @@ jobs:
           toolchain: "${{ steps.rustup-version.outputs.RUST_TOOLCHAIN }}"
           components: miri
 
-      - run: cargo miri test -p ${{ matrix.crate }} --no-fail-fast
+      - name: Install cargo-nextest
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-nextest
+
+      - run: cargo miri nextest run -p ${{ matrix.crate }} --no-fail-fast -j 4
         continue-on-error: true
         env:
           MIRIFLAGS: "-Zmiri-disable-isolation"
diff --git a/crates/testing/src/lib.rs b/crates/testing/src/lib.rs
index 62870370adbe..2f28c403de57 100644
--- a/crates/testing/src/lib.rs
+++ b/crates/testing/src/lib.rs
@@ -39,16 +39,20 @@ mod string_errors;
 pub fn init() -> tracing::subscriber::DefaultGuard {
     let log_env = env::var("RUST_LOG").unwrap_or_else(|_| "debug".to_string());
 
-    let logger = tracing_subscriber::FmtSubscriber::builder()
-        .without_time()
-        .with_target(false)
-        .with_ansi(true)
-        .with_env_filter(EnvFilter::from_str(&log_env).unwrap())
-        .with_test_writer()
-        .pretty()
-        .finish();
-
-    tracing::subscriber::set_default(logger)
+    if cfg!(miri) {
+        tracing::subscriber::set_default(tracing::subscriber::NoSubscriber::new())
+    } else {
+        // This makes miri slow
+        let logger = tracing_subscriber::FmtSubscriber::builder()
+            .without_time()
+            .with_target(false)
+            .with_ansi(true)
+            .with_env_filter(EnvFilter::from_str(&log_env).unwrap())
+            .with_test_writer()
+            .pretty()
+            .finish();
+        tracing::subscriber::set_default(logger)
+    }
 }
 
 pub fn find_executable(name: &str) -> Option<PathBuf> {