diff --git a/src/task.c b/src/task.c
index 6e364825..d83121b6 100644
--- a/src/task.c
+++ b/src/task.c
@@ -47,15 +47,6 @@ typedef struct _task_child_node_t
 	task_child_node_t* next;
 } task_child_node_t;
 
-typedef struct _script_export_t script_export_t;
-
-typedef struct _script_export_t
-{
-	const char* name;
-	JSValue value;
-	script_export_t* next;
-} script_export_t;
-
 typedef struct _promise_t promise_t;
 typedef struct _promise_t
 {
@@ -73,8 +64,6 @@ typedef struct _tf_task_t
 	tf_taskstub_t* _parent;
 	const char* _path;
 
-	script_export_t* _scriptExports;
-
 	bool _activated;
 	bool _trusted;
 	bool _killed;
@@ -110,7 +99,6 @@ typedef struct _tf_task_t
 
 	import_record_t** _imports;
 	int _import_count;
-	JSValue _requires;
 	JSValue _loadedFiles;
 
 	int _ssb_port;
@@ -155,7 +143,6 @@ static bool _export_record_release(tf_task_t* task, export_record_t** export)
 static JSValue _tf_task_version(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_get_parent(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_exit(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
-static JSValue _tf_task_sandbox_require(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_trace(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_getStats(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_getFile(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
@@ -869,10 +856,6 @@ void tf_task_on_receive_packet(int packetType, const char* begin, size_t length,
 			}
 		}
 		break;
-	case kSetRequires:
-		JS_FreeValue(to->_context, to->_requires);
-		to->_requires = tf_serialize_load(to, from, begin, length);
-		break;
 	case kLoadFile:
 		{
 			JSValue args = tf_serialize_load(to, from, begin, length);
@@ -981,108 +964,6 @@ void tf_task_on_receive_packet(int packetType, const char* begin, size_t length,
 	tf_trace_end(to->_trace);
 }
 
-static const char* _tf_task_resolveRequire(tf_task_t* task, const char* require)
-{
-	printf("Looking in %s for %s\n", task->_path, require);
-	if (strstr(require, "..") || strstr(require, "/") || strstr(require, "\\"))
-	{
-		return NULL;
-	}
-	char test[1024];
-	snprintf(test, sizeof(test), "%s/%s%s", task->_path, require, strstr(require, ".js") ? "" : ".js");
-	printf("Testing %s\n", test);
-	uv_fs_t request;
-	if (uv_fs_access(&task->_loop, &request, test, R_OK, 0) == 0)
-	{
-		return tf_strdup(test);
-	}
-	return NULL;
-}
-
-static script_export_t* _task_find_script_export(tf_task_t* task, const char* path)
-{
-	for (script_export_t* it = task->_scriptExports; it; it = it->next)
-	{
-		if (strcmp(it->name, path) == 0)
-		{
-			return it;
-		}
-	}
-	return NULL;
-}
-
-JSValue _tf_task_require(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	JSValue result = JS_NULL;
-	tf_task_t* task = JS_GetContextOpaque(context);
-	tf_trace_begin(task->_trace, "_tf_task_require");
-	const char* in_path = JS_ToCString(context, argv[0]);
-	if (in_path)
-	{
-		const char* path = _tf_task_resolveRequire(task, in_path);
-		if (!path)
-		{
-			result = JS_ThrowReferenceError(task->_context, "require(): Unable to resolve module: %s.", in_path);
-		}
-		else
-		{
-			script_export_t* it = _task_find_script_export(task, path);
-			if (it)
-			{
-				result = JS_DupValue(task->_context, it->value);
-				tf_free((void*)path);
-			}
-			else
-			{
-				JSValue exports = JS_NewObject(task->_context);
-				script_export_t* export = tf_malloc(sizeof(script_export_t));
-				*export = (script_export_t)
-				{
-					.name = path,
-					.value = JS_DupValue(task->_context, exports),
-					.next = task->_scriptExports,
-				};
-				task->_scriptExports = export;
-				const char* source = _task_loadFile(path);
-				printf("Requiring script %sn", path);
-				if (source)
-				{
-					JSValue global = JS_GetGlobalObject(task->_context);
-					JSValue oldExports = JS_GetPropertyStr(task->_context, global, "exports");
-					JS_SetPropertyStr(task->_context, global, "exports", JS_DupValue(task->_context, exports));
-					JSValue eval = JS_Eval(task->_context, source, strlen(source), path, JS_EVAL_TYPE_MODULE);
-					tf_util_report_error(task->_context, eval);
-					if (JS_IsError(task->_context, eval) ||
-						JS_IsException(eval))
-					{
-						result = JS_DupValue(task->_context, eval);
-					}
-					else
-					{
-						result = JS_DupValue(task->_context, exports);
-					}
-					JS_FreeValue(task->_context, eval);
-					JS_SetPropertyStr(task->_context, global, "exports", oldExports);
-					JS_FreeValue(task->_context, global);
-					tf_free((void*)source);
-				}
-				else
-				{
-					printf("Failed to load %s.\n", path);
-				}
-				JS_FreeValue(task->_context, exports);
-			}
-		}
-	}
-	else
-	{
-		result = JS_ThrowReferenceError(task->_context, "require(): No module specified.");
-	}
-	JS_FreeCString(context, in_path);
-	tf_trace_end(task->_trace);
-	return result;
-}
-
 static JSValue _tf_task_executeSource(tf_task_t* task, const char* source, const char* name)
 {
 	tf_trace_begin(task->_trace, "_tf_task_executeSource");
@@ -1095,63 +976,6 @@ static JSValue _tf_task_executeSource(tf_task_t* task, const char* source, const
 	return result;
 }
 
-JSValue _tf_task_sandbox_require(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	tf_task_t* task = JS_GetContextOpaque(context);
-
-	if (JS_IsObject(task->_loadedFiles))
-	{
-		const char* name = JS_ToCString(context, argv[0]);
-		script_export_t* it = _task_find_script_export(task, name);
-		if (it)
-		{
-			return it->value;
-		}
-		else
-		{
-			JSValue exports = JS_NewObject(context);
-			const char* name = JS_ToCString(context, argv[0]);
-			JSValue value = JS_GetPropertyStr(context, task->_loadedFiles, name);
-			size_t length;
-			uint8_t* array = tf_util_try_get_array_buffer(context, &length, value);
-			if (array)
-			{
-				char* source = tf_malloc(length + 1);
-				memcpy(source, array, length);
-				source[length] = '\0';
-				JSValue global = JS_GetGlobalObject(context);
-				JSValue oldExports = JS_GetPropertyStr(context, global, "exports");
-				JS_SetPropertyStr(context, global, "exports", JS_DupValue(context, exports));
-				JSValue result = JS_Eval(context, source, length, name, JS_EVAL_TYPE_MODULE);
-				tf_util_report_error(context, result);
-				JS_SetPropertyStr(context, global, "exports", oldExports);
-				JS_FreeValue(context, global);
-				tf_free(source);
-				return exports;
-			}
-			else if (JS_IsString(value))
-			{
-				size_t length;
-				const char* source = JS_ToCStringLen(context, &length, value);
-				JSValue global = JS_GetGlobalObject(context);
-				JSValue oldExports = JS_GetPropertyStr(context, global, "exports");
-				JS_SetPropertyStr(context, global, "exports", JS_DupValue(context, exports));
-				JSValue result = JS_Eval(context, source, length, name, JS_EVAL_TYPE_MODULE);
-				tf_util_report_error(context, result);
-				JS_SetPropertyStr(context, global, "exports", oldExports);
-				JS_FreeValue(context, global);
-				return exports;
-			}
-			else
-			{
-				return JS_ThrowInternalError(context, "Failed to load %s %d %d %d.", name, JS_IsNull(value), JS_IsUndefined(value), JS_IsException(value));
-			}
-		}
-	}
-
-	return JS_UNDEFINED;
-}
-
 uv_loop_t* tf_task_get_loop(tf_task_t* task)
 {
 	return &task->_loop;
@@ -1555,7 +1379,6 @@ void tf_task_activate(tf_task_t* task)
 	{
 		sqlite3_open(*task->_db_path ? task->_db_path : "db.sqlite", &task->_db);
 
-		JS_SetPropertyStr(context, global, "require", JS_NewCFunction(context, _tf_task_require, "require", 1));
 		JS_SetPropertyStr(context, global, "Task", tf_taskstub_register(context));
 		JS_SetPropertyStr(context, global, "Socket", tf_socket_register(context));
 		JS_SetPropertyStr(context, global, "TlsContext", tf_tls_context_register(context));
@@ -1576,7 +1399,6 @@ void tf_task_activate(tf_task_t* task)
 	}
 	else
 	{
-		JS_SetPropertyStr(context, global, "require", JS_NewCFunction(context, _tf_task_sandbox_require, "sandboxRequire", 0));
 		tf_trace_set_write_callback(task->_trace, _tf_task_trace_to_parent, task);
 	}
 
@@ -1653,16 +1475,7 @@ void tf_task_destroy(tf_task_t* task)
 	}
 	tf_free(task->_promises);
 	task->_promises = NULL;
-	JS_FreeValue(task->_context, task->_requires);
 	JS_FreeValue(task->_context, task->_loadedFiles);
-	while (task->_scriptExports)
-	{
-		script_export_t* export = task->_scriptExports;
-		JS_FreeValue(task->_context, export->value);
-		task->_scriptExports = export->next;
-		tf_free((void*)export->name);
-		tf_free(export);
-	}
 
 	if (task->_ssb)
 	{
diff --git a/src/tests.c b/src/tests.c
index 7e085b5b..2d63298e 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -299,32 +299,29 @@ static void _test_await(const tf_test_options_t* options)
 	unlink("out/test.js");
 }
 
-static void _test_require(const tf_test_options_t* options)
+static void _test_import(const tf_test_options_t* options)
 {
 	FILE* file = fopen("out/test.js", "w");
 	fprintf(file,
-		"if (require('required').foo() != 12345) {\n"
+		"import * as req from './required.js';\n"
+		"if (req.foo() != 12345) {\n"
 		"	exit(1);\n"
-		"}\n"
-		"var gotError = false;\n"
-		"try {\n"
-		"	require('missing');\n"
-		"} catch (error) {\n"
-		"	print('nope');\n"
-		"	gotError = true;\n"
-		"}\n"
-		"if (!gotError) {\n"
-		"	exit(2);\n"
-		"}\n"
-		"exit(0);\n");
+		"}\n");
 	fclose(file);
 
 	file = fopen("out/required.js", "w");
 	fprintf(file,
-		"function foo() {\n"
+		"export function foo() {\n"
 		"	return 12345;\n"
-		"}\n"
-		"exports.foo = foo;\n");
+		"}\n");
+	fclose(file);
+
+	file = fopen("out/bad.js", "w");
+	fprintf(file,
+		"import * as req from './missing.js';\n"
+		"if (req.foo() != 12345) {\n"
+		"	exit(1);\n"
+		"}\n");
 	fclose(file);
 
 	char command[256];
@@ -335,14 +332,22 @@ static void _test_require(const tf_test_options_t* options)
 	assert(WIFEXITED(result));
 	assert(WEXITSTATUS(result) == 0);
 
+	snprintf(command, sizeof(command), "%s run --ssb-port=0 -s out/bad.js", options->exe_path);
+	printf("%s\n", command);
+	result = system(command);
+	printf("returned %d\n", WEXITSTATUS(result));
+	assert(WIFEXITED(result));
+	assert(WEXITSTATUS(result) == 0);
+
 	unlink("out/test.js");
 	unlink("out/required.js");
+	unlink("out/missing.js");
 }
 
 static void _test_exit(const tf_test_options_t* options)
 {
 	FILE* file = fopen("out/test.js", "w");
-	fprintf(file, "require('blah');");
+	fprintf(file, "import * as blah from './blah.js';\n");
 	fclose(file);
 
 	file = fopen("out/blah.js", "w");
@@ -595,7 +600,7 @@ void tf_tests(const tf_test_options_t* options)
 	_tf_test_run(options, "database", _test_database);
 	_tf_test_run(options, "this", _test_this);
 	_tf_test_run(options, "await", _test_await);
-	_tf_test_run(options, "require", _test_require);
+	_tf_test_run(options, "import", _test_import);
 	_tf_test_run(options, "exit", _test_exit);
 	_tf_test_run(options, "icu", _test_icu);
 	_tf_test_run(options, "uint8array", _test_uint8array);