diff --git a/crates/oxc_cli/src/main.rs b/crates/oxc_cli/src/main.rs
index 09f10edf4..3dfd0f2e8 100644
--- a/crates/oxc_cli/src/main.rs
+++ b/crates/oxc_cli/src/main.rs
@@ -1,7 +1,9 @@
+#[cfg_attr(miri, ignore)]
 #[cfg(not(target_env = "msvc"))]
 #[global_allocator]
 static GLOBAL: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
+#[cfg_attr(miri, ignore)]
 #[cfg(target_os = "windows")]
 #[global_allocator]
 static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
diff --git a/tasks/benchmark/src/main.rs b/tasks/benchmark/src/main.rs
index 583d53db2..91c33cb12 100644
--- a/tasks/benchmark/src/main.rs
+++ b/tasks/benchmark/src/main.rs
@@ -8,10 +8,12 @@ use oxc_benchmark::get_code;
 use oxc_parser::Parser;
 use pico_args::Arguments;
 
+#[cfg_attr(miri, ignore)]
 #[cfg(not(target_env = "msvc"))]
 #[global_allocator]
 static GLOBAL: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
+#[cfg_attr(miri, ignore)]
 #[cfg(target_os = "windows")]
 #[global_allocator]
 static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;