diff --git a/quickjs-atom.h b/quickjs-atom.h
index 0215192..656f407 100644
--- a/quickjs-atom.h
+++ b/quickjs-atom.h
@@ -79,9 +79,6 @@ DEF(await, "await")
 DEF(empty_string, "")
 /* identifiers */
 DEF(length, "length")
-DEF(fileName, "fileName")
-DEF(lineNumber, "lineNumber")
-DEF(columnNumber, "columnNumber")
 DEF(message, "message")
 DEF(cause, "cause")
 DEF(errors, "errors")
diff --git a/quickjs.c b/quickjs.c
index c56b963..0c02b56 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -6375,12 +6375,6 @@ static void build_backtrace(JSContext *ctx, JSValue error_obj,
         if (line_num != -1)
             dbuf_printf(&dbuf, ":%d:%d", line_num, col_num);
         dbuf_putc(&dbuf, '\n');
-        str = JS_NewString(ctx, filename);
-        JS_DefinePropertyValue(ctx, error_obj, JS_ATOM_fileName, str, flags);
-        JS_DefinePropertyValue(ctx, error_obj, JS_ATOM_lineNumber,
-                               js_int32(line_num), flags);
-        JS_DefinePropertyValue(ctx, error_obj, JS_ATOM_columnNumber,
-                               js_int32(col_num), flags);
         if (backtrace_flags & JS_BACKTRACE_FLAG_SINGLE_LEVEL)
             goto done;
     }