diff --git a/boa_engine/src/bytecompiler/module.rs b/boa_engine/src/bytecompiler/module.rs
index 41ed75320b5..be56f13af67 100644
--- a/boa_engine/src/bytecompiler/module.rs
+++ b/boa_engine/src/bytecompiler/module.rs
@@ -1,10 +1,20 @@
-use super::ByteCompiler;
+use crate::{js_string, vm::Opcode};
+
+use super::{ByteCompiler, Literal};
 use boa_ast::{ModuleItem, ModuleItemList};
 
 impl ByteCompiler<'_, '_> {
     /// Compiles a [`ModuleItemList`].
     #[inline]
+    #[allow(unreachable_code, unused_variables)]
     pub fn compile_module_item_list(&mut self, list: &ModuleItemList, configurable_globals: bool) {
+        // TODO: Remove after implementing modules.
+        {
+            let msg = self
+                .get_or_insert_literal(Literal::String(js_string!("modules are unimplemented")));
+            self.emit(Opcode::ThrowNewTypeError, &[msg]);
+            return;
+        }
         for node in list.items() {
             self.compile_module_item(node, configurable_globals);
         }
@@ -12,11 +22,11 @@ impl ByteCompiler<'_, '_> {
 
     /// Compiles a [`ModuleItem`].
     #[inline]
-    #[allow(unused_variables, clippy::missing_panics_doc)] // Unimplemented
+    #[allow(clippy::missing_panics_doc)] // Unimplemented
     pub fn compile_module_item(&mut self, item: &ModuleItem, configurable_globals: bool) {
         match item {
-            ModuleItem::ImportDeclaration(import) => todo!("import declaration compilation"),
-            ModuleItem::ExportDeclaration(export) => todo!("export declaration compilation"),
+            ModuleItem::ImportDeclaration(_import) => todo!("import declaration compilation"),
+            ModuleItem::ExportDeclaration(_export) => todo!("export declaration compilation"),
             ModuleItem::StatementListItem(stmt) => {
                 self.compile_stmt_list_item(stmt, false, configurable_globals);
             }
@@ -24,11 +34,16 @@ impl ByteCompiler<'_, '_> {
     }
 
     /// Creates the declarations for a module.
+    #[allow(unreachable_code, unused_variables)]
     pub(crate) fn create_module_decls(
         &mut self,
         stmt_list: &ModuleItemList,
         configurable_globals: bool,
     ) {
+        // TODO: Remove after implementing modules.
+        {
+            return;
+        }
         for node in stmt_list.items() {
             self.create_decls_from_module_item(node, configurable_globals);
         }
@@ -36,15 +51,14 @@ impl ByteCompiler<'_, '_> {
 
     /// Creates the declarations from a [`ModuleItem`].
     #[inline]
-    #[allow(unused_variables)] // Unimplemented
     pub(crate) fn create_decls_from_module_item(
         &mut self,
         item: &ModuleItem,
         configurable_globals: bool,
     ) -> bool {
         match item {
-            ModuleItem::ImportDeclaration(import) => todo!("import declaration generation"),
-            ModuleItem::ExportDeclaration(export) => todo!("export declaration generation"),
+            ModuleItem::ImportDeclaration(_import) => todo!("import declaration generation"),
+            ModuleItem::ExportDeclaration(_export) => todo!("export declaration generation"),
             ModuleItem::StatementListItem(stmt) => {
                 self.create_decls_from_stmt_list_item(stmt, configurable_globals)
             }