diff --git a/interpreters/toywasm/include/toywasm_config.h b/interpreters/toywasm/include/toywasm_config.h
index 02c0b6891..d7a2cc3d1 100644
--- a/interpreters/toywasm/include/toywasm_config.h
+++ b/interpreters/toywasm/include/toywasm_config.h
@@ -23,15 +23,7 @@
 
 #define TOYWASM_USE_SEPARATE_EXECUTE
 #define TOYWASM_USE_TAILCALL
-/* #undef TOYWASM_USE_SHORT_ENUMS */
-
-/* #undef TOYWASM_USE_USER_SCHED */
-
-/* #undef TOYWASM_ENABLE_TRACING */
-
-/* #undef TOYWASM_ENABLE_TRACING_INSN */
 #define TOYWASM_USE_JUMP_BINARY_SEARCH
-/* #undef TOYWASM_USE_JUMP_CACHE */
 #define TOYWASM_JUMP_CACHE2_SIZE 4
 #define TOYWASM_USE_LOCALS_CACHE
 #define TOYWASM_USE_SEPARATE_LOCALS