diff --git a/boa_engine/benches/full.rs b/boa_engine/benches/full.rs
index 3fe62e7940e..a5591d63abe 100644
--- a/boa_engine/benches/full.rs
+++ b/boa_engine/benches/full.rs
@@ -1,6 +1,8 @@
 //! Benchmarks of the whole execution engine in Boa.
 
-use boa_engine::{context::DefaultHooks, realm::Realm, Context, Source};
+use boa_engine::{
+    context::DefaultHooks, optimizer::OptimizerOptions, realm::Realm, Context, Source,
+};
 use criterion::{criterion_group, criterion_main, Criterion};
 use std::hint::black_box;
 
@@ -24,6 +26,10 @@ macro_rules! full_benchmarks {
                 {
                     static CODE: &str = include_str!(concat!("bench_scripts/", stringify!($name), ".js"));
                     let mut context = Context::default();
+
+                    // Disable optimizations
+                    context.set_optimizer_options(OptimizerOptions::empty());
+
                     c.bench_function(concat!($id, " (Parser)"), move |b| {
                         b.iter(|| context.parse_script(black_box(Source::from_bytes(CODE))))
                     });
@@ -35,6 +41,10 @@ macro_rules! full_benchmarks {
                 {
                     static CODE: &str = include_str!(concat!("bench_scripts/", stringify!($name), ".js"));
                     let mut context = Context::default();
+
+                    // Disable optimizations
+                    context.set_optimizer_options(OptimizerOptions::empty());
+
                     let statement_list = context.parse_script(Source::from_bytes(CODE)).expect("parsing failed");
                     c.bench_function(concat!($id, " (Compiler)"), move |b| {
                         b.iter(|| {
@@ -49,6 +59,10 @@ macro_rules! full_benchmarks {
                 {
                     static CODE: &str = include_str!(concat!("bench_scripts/", stringify!($name), ".js"));
                     let mut context = Context::default();
+
+                    // Disable optimizations
+                    context.set_optimizer_options(OptimizerOptions::empty());
+
                     let statement_list = context.parse_script(Source::from_bytes(CODE)).expect("parsing failed");
                     let code_block = context.compile_script(&statement_list).unwrap();
                     c.bench_function(concat!($id, " (Execution)"), move |b| {
diff --git a/boa_engine/src/context/mod.rs b/boa_engine/src/context/mod.rs
index 590fa550b73..ac5b8e33634 100644
--- a/boa_engine/src/context/mod.rs
+++ b/boa_engine/src/context/mod.rs
@@ -668,7 +668,7 @@ impl<'icu, 'hooks, 'queue> ContextBuilder<'icu, 'hooks, 'queue> {
             kept_alive: Vec::new(),
             host_hooks,
             job_queue: self.job_queue.unwrap_or(&IdleJobQueue),
-            optimizer_options: OptimizerOptions::empty(),
+            optimizer_options: OptimizerOptions::OPTIMIZE_ALL,
         };
 
         builtins::set_default_global_bindings(&mut context)?;