diff --git a/.gitignore b/.gitignore
index 204d4af..853d216 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,4 +17,6 @@ local.properties
 cmake-build-*
 lib/
 bin/
-build/
\ No newline at end of file
+build/
+test262/
+test262*.txt
\ No newline at end of file
diff --git a/README.md b/README.md
index bf8dfde..d11e02c 100644
--- a/README.md
+++ b/README.md
@@ -58,12 +58,6 @@ sudo apt install lldb # Ubuntu
 
 If you're using VSCode, you can use the `C/C++` and `Code LLDB` extension to debug.
 
-Pass this argument to cmake enable debug log on release build.
-
-```
--DCONFIG_DEBUG_ON_RELEASE=1
-```
-
 ### Tests
 
 ```bash
diff --git a/include/quickjs/quickjs.h b/include/quickjs/quickjs.h
index 02dda18..7717463 100644
--- a/include/quickjs/quickjs.h
+++ b/include/quickjs/quickjs.h
@@ -983,9 +983,4 @@ int JS_SetModuleExportList(JSContext* ctx, JSModuleDef* m, const JSCFunctionList
 /* quickjs_rs c bindings */
 #include "quickjs-rs.h"
 
-/* Should use in `jsc` repl only */
-#ifdef CONFIG_DEBUG_ON_RELEASE
-void __internal_debug_log(const char* fmt, ...);
-#endif
-
 #endif /* QUICKJS_H */
diff --git a/scripts/test.sh b/scripts/test.sh
index 9306b64..24080e6 100644
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -11,4 +11,4 @@ cd test262
 # patch -p1 < ../tests/test262.patch
 cd ..
 touch test262_errors.txt
-./bin/run-test262 -m -c test262.conf -a
\ No newline at end of file
+./bin/run-test262 -m -c tests/test262.conf -a
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2f2193f..ae648e4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,7 +29,7 @@ add_library(quickjs
     core/malloc.c
     core/shape.c
     core/parser.c
-    core/convertion.c
+    core/conversion.c
     core/runtime.c
     core/module.c
     core/ic.c
@@ -56,9 +56,6 @@ add_library(quickjs
     core/builtins/js-string.c
     core/builtins/js-symbol.c
     core/builtins/js-typed-array.c
-
-    # misc
-    core/misc/debug.c
 )
 
 # create a custom target for including headers
@@ -75,18 +72,6 @@ set(QUICKJS_VERSION STRING "0.1.0")
 
 add_compile_options(${COMPILE_FLAGS})
 
-# Debug on release
-if (CONFIG_DEBUG_ON_RELEASE)
-    add_compile_definitions(CONFIG_DEBUG_ON_RELEASE)
-endif()
-
-# Debug on release
-if (CONFIG_DEBUG_ON_RELEASE)
-    target_compile_options(quickjs PUBLIC
-        -DCONFIG_DEBUG_ON_RELEASE
-    )
-endif()
-
 target_compile_options(quickjs PUBLIC
     -D_GNU_SOURCE
     -DCONFIG_BIGNUM
diff --git a/src/core/builtins/js-array.c b/src/core/builtins/js-array.c
index a80ac36..366c659 100644
--- a/src/core/builtins/js-array.c
+++ b/src/core/builtins/js-array.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-array.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
@@ -867,17 +867,6 @@ JSValue js_array_indexOf(JSContext* ctx, JSValueConst this_val, int argc, JSValu
       if (present < 0)
         goto exception;
       if (present) {
-#ifdef CONFIG_DEBUG_ON_RELEASE
-        __internal_debug_log(
-            "present_str: %s, input_char: %s, present: %d, char: %s, equal: %d",
-            JS_ToCString(ctx,this_val),
-            JS_ToCString(ctx,argv[0]),
-            present,
-            JS_ToCString(ctx, JS_DupValue(ctx, val)),
-            js_strict_eq2(ctx, JS_DupValue(ctx, argv[0]), val, JS_EQ_STRICT),
-            "\n"
-        );
-#endif
         if (js_strict_eq2(ctx, JS_DupValue(ctx, argv[0]), val, JS_EQ_STRICT)) {
           res = n;
           break;
diff --git a/src/core/builtins/js-atomics.c b/src/core/builtins/js-atomics.c
index aa6e09b..10e99f4 100644
--- a/src/core/builtins/js-atomics.c
+++ b/src/core/builtins/js-atomics.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-atomics.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "js-typed-array.h"
 
diff --git a/src/core/builtins/js-big-num.c b/src/core/builtins/js-big-num.c
index 53e00e1..737f5d6 100644
--- a/src/core/builtins/js-big-num.c
+++ b/src/core/builtins/js-big-num.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-big-num.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-date.c b/src/core/builtins/js-date.c
index 2df0fcd..b423314 100644
--- a/src/core/builtins/js-date.c
+++ b/src/core/builtins/js-date.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-date.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-function.c b/src/core/builtins/js-function.c
index 2517592..ee940d6 100644
--- a/src/core/builtins/js-function.c
+++ b/src/core/builtins/js-function.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-function.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../gc.h"
diff --git a/src/core/builtins/js-json.c b/src/core/builtins/js-json.c
index 625c9aa..fae8c0d 100644
--- a/src/core/builtins/js-json.c
+++ b/src/core/builtins/js-json.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-json.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-number.c b/src/core/builtins/js-number.c
index fabf2af..9dd5f38 100644
--- a/src/core/builtins/js-number.c
+++ b/src/core/builtins/js-number.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-number.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../object.h"
 #include "../runtime.h"
diff --git a/src/core/builtins/js-object.c b/src/core/builtins/js-object.c
index bf643a7..54cec37 100644
--- a/src/core/builtins/js-object.c
+++ b/src/core/builtins/js-object.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-object.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../object.h"
 #include "../runtime.h"
diff --git a/src/core/builtins/js-operator.c b/src/core/builtins/js-operator.c
index be53302..b451f72 100644
--- a/src/core/builtins/js-operator.c
+++ b/src/core/builtins/js-operator.c
@@ -26,7 +26,7 @@
 
 #include "js-operator.h"
 
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-promise.c b/src/core/builtins/js-promise.c
index 1b6ad5a..49fa4d7 100644
--- a/src/core/builtins/js-promise.c
+++ b/src/core/builtins/js-promise.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-promise.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-proxy.c b/src/core/builtins/js-proxy.c
index 34b860c..2579da7 100644
--- a/src/core/builtins/js-proxy.c
+++ b/src/core/builtins/js-proxy.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-proxy.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-regexp.c b/src/core/builtins/js-regexp.c
index c2e5ddd..c160b00 100644
--- a/src/core/builtins/js-regexp.c
+++ b/src/core/builtins/js-regexp.c
@@ -27,7 +27,7 @@
 #include "quickjs/libregexp-opcode.h"
 #include "quickjs/libregexp.h"
 
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-string.c b/src/core/builtins/js-string.c
index bfbd6b4..7c35790 100644
--- a/src/core/builtins/js-string.c
+++ b/src/core/builtins/js-string.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-string.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/builtins/js-typed-array.c b/src/core/builtins/js-typed-array.c
index ef536ab..d828adb 100644
--- a/src/core/builtins/js-typed-array.c
+++ b/src/core/builtins/js-typed-array.c
@@ -25,7 +25,7 @@
  */
 
 #include "js-typed-array.h"
-#include "../convertion.h"
+#include "../conversion.h"
 #include "../exception.h"
 #include "../function.h"
 #include "../object.h"
diff --git a/src/core/convertion.c b/src/core/conversion.c
similarity index 99%
rename from src/core/convertion.c
rename to src/core/conversion.c
index e7459b5..bcf820a 100644
--- a/src/core/convertion.c
+++ b/src/core/conversion.c
@@ -24,7 +24,7 @@
  * THE SOFTWARE.
  */
 
-#include "convertion.h"
+#include "conversion.h"
 #include "builtins/js-big-num.h"
 #include "exception.h"
 #include "function.h"
diff --git a/src/core/convertion.h b/src/core/conversion.h
similarity index 99%
rename from src/core/convertion.h
rename to src/core/conversion.h
index 2332a0d..6bee598 100644
--- a/src/core/convertion.h
+++ b/src/core/conversion.h
@@ -24,8 +24,8 @@
  * THE SOFTWARE.
  */
 
-#ifndef QUICKJS_CONVERTION_H
-#define QUICKJS_CONVERTION_H
+#ifndef QUICKJS_CONVERSION_H
+#define QUICKJS_CONVERSION_H
 
 #include "quickjs/quickjs.h"
 #include "quickjs/cutils.h"
diff --git a/src/core/function.c b/src/core/function.c
index 61c8e48..1d0efa6 100644
--- a/src/core/function.c
+++ b/src/core/function.c
@@ -33,7 +33,7 @@
 #include "builtins/js-object.h"
 #include "builtins/js-operator.h"
 #include "builtins/js-regexp.h"
-#include "convertion.h"
+#include "conversion.h"
 #include "exception.h"
 #include "gc.h"
 #include "module.h"
diff --git a/src/core/misc/debug.c b/src/core/misc/debug.c
deleted file mode 100644
index ec784f4..0000000
--- a/src/core/misc/debug.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifdef CONFIG_DEBUG_ON_RELEASE
-#include "debug.h"
-
-// log messages to `qjs` repl output
-
-void __internal_debug_log(const char* fmt, ...) {
-  va_list argp;
-  va_start(argp, fmt);
-
-  vprintf(fmt, argp);
-
-  va_end(argp);
-  printf("\n");
-}
-#endif
\ No newline at end of file
diff --git a/src/core/misc/debug.h b/src/core/misc/debug.h
deleted file mode 100644
index 67546fa..0000000
--- a/src/core/misc/debug.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef CONFIG_DEBUG_ON_RELEASE 
-
-#include <stdio.h>
-#include <stdarg.h>
-
-void __internal_debug_log(const char* fmt, ...);
-
-#endif
diff --git a/src/core/object.c b/src/core/object.c
index 4ac1628..a1d6065 100644
--- a/src/core/object.c
+++ b/src/core/object.c
@@ -29,7 +29,7 @@
 #include "builtins/js-object.h"
 #include "builtins/js-operator.h"
 #include "builtins/js-proxy.h"
-#include "convertion.h"
+#include "conversion.h"
 #include "exception.h"
 #include "function.h"
 #include "gc.h"
diff --git a/src/core/parser.c b/src/core/parser.c
index 8c5219e..5a5b929 100644
--- a/src/core/parser.c
+++ b/src/core/parser.c
@@ -25,7 +25,7 @@
 
 #include "parser.h"
 #include "builtins/js-function.h"
-#include "convertion.h"
+#include "conversion.h"
 #include "exception.h"
 #include "function.h"
 #include "bytecode.h"
diff --git a/src/core/runtime.c b/src/core/runtime.c
index 89ebe7c..7e5748b 100644
--- a/src/core/runtime.c
+++ b/src/core/runtime.c
@@ -49,7 +49,7 @@
 #include "builtins/js-operator.h"
 #include "builtins/js-reflect.h"
 #include "builtins/js-symbol.h"
-#include "convertion.h"
+#include "conversion.h"
 #include "gc.h"
 #include "module.h"
 #include "object.h"
diff --git a/src/core/string.c b/src/core/string.c
index 9eedc50..49bf6e9 100644
--- a/src/core/string.c
+++ b/src/core/string.c
@@ -25,7 +25,7 @@
  */
 
 #include "string.h"
-#include "convertion.h"
+#include "conversion.h"
 #include "exception.h"
 #include "quickjs/cutils.h"
 #include "quickjs/list.h"
diff --git a/src/crates/quickjs_gc/src/record.rs b/src/crates/quickjs_gc/src/record.rs
index 67b3ef8..d5f6a76 100644
--- a/src/crates/quickjs_gc/src/record.rs
+++ b/src/crates/quickjs_gc/src/record.rs
@@ -4,12 +4,12 @@ use std::sync::{Mutex, Once};
 use quickjs_common::backtrace::Backtrace;
 use crate::{JSGCObjectHeader, ListHead};
 
-// Define a global static Once variable and a static mutable option of the Mutexed HashMap
+/// Define a global static Once variable and a static mutable option of the Mutexed HashMap
 static INIT: Once = Once::new();
 static mut GC_OBJECTS: Option<Mutex<HashMap<*const JSGCObjectHeader, Backtrace>>> = None;
 
-// Function to safely initialize and get a reference to the global
-// HashMap storing garbage-collected objects and their backtraces.
+/// Function to safely initialize and get a reference to the global
+/// HashMap storing garbage-collected objects and their backtraces.
 pub fn get_gc_object_backtrace_map() -> &'static Mutex<HashMap<*const JSGCObjectHeader, Backtrace>> {
     unsafe {
         INIT.call_once(|| {
@@ -19,9 +19,9 @@ pub fn get_gc_object_backtrace_map() -> &'static Mutex<HashMap<*const JSGCObject
     }
 }
 
-// This function records the creation of a garbage-collected object.
-// It takes a raw pointer to the object and stores it along with a
-// backtrace in a global HashMap.
+/// This function records the creation of a garbage-collected object.
+/// It takes a raw pointer to the object and stores it along with a
+/// backtrace in a global HashMap.
 #[no_mangle]
 pub unsafe extern "C" fn record_gc_object_creation(gc_object_link: *mut ListHead) {
     // Convert the pointer to the 'link' field back to a pointer to the encompassing struct
diff --git a/src/libbf.c b/src/libbf.c
index 0bf4e5d..e0d071b 100644
--- a/src/libbf.c
+++ b/src/libbf.c
@@ -33,7 +33,7 @@
 #endif
 
 #include "mimalloc.h"
-#include "core/convertion.h"
+#include "core/conversion.h"
 #include "quickjs/cutils.h"
 #include "quickjs/libbf.h"
 
diff --git a/tests/test-ecma-262.conf b/tests/test262.conf
similarity index 97%
rename from tests/test-ecma-262.conf
rename to tests/test262.conf
index 35a493c..d7c1d3f 100644
--- a/tests/test-ecma-262.conf
+++ b/tests/test262.conf
@@ -26,22 +26,22 @@ module=yes
 verbose=yes
 
 # load harness files from this directory
-harnessdir=test262/harness
+harnessdir=../test262/harness
 
 # names of harness include files to skip
 #harnessexclude=
 
 # name of the error file for known errors
-errorfile=test262_errors.txt
+errorfile=../test262_errors.txt
 
 # exclude tests enumerated in this file (see also [exclude] section)
 #excludefile=test262_exclude.txt
 
 # report test results to this file
-reportfile=test262_report.txt
+reportfile=../test262_report.txt
 
 # enumerate tests from this directory
-testdir=test262/test
+testdir=../test262/test
 
 [features]
 # Standard language features and proposed extensions