diff --git a/mp-s7-src/mpconfigport.h b/mp-s7-src/mpconfigport.h
index c68c669..c90d5f0 100644
--- a/mp-s7-src/mpconfigport.h
+++ b/mp-s7-src/mpconfigport.h
@@ -12,7 +12,7 @@
 #define MP_ENDIANNESS_BIG (1)
 
 #define MICROPY_QSTR_BYTES_IN_HASH  (1)
-#define MICROPY_QSTR_EXTRA_POOL     mp_qstr_frozen_const_pool
+//#define MICROPY_QSTR_EXTRA_POOL     mp_qstr_frozen_const_pool
 #define MICROPY_ALLOC_PATH_MAX      (256)
 #define MICROPY_ALLOC_PARSE_CHUNK_INIT (16)
 #define MICROPY_EMIT_X64            (0)
@@ -57,7 +57,7 @@
 #define MICROPY_PY_IO               (1)
 #define MICROPY_PY_STRUCT           (1)
 #define MICROPY_PY_SYS              (1)
-#define MICROPY_MODULE_FROZEN_MPY   (1)
+#define MICROPY_MODULE_FROZEN_MPY   (0)
 #define MICROPY_CPYTHON_COMPAT      (0)
 #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_NONE)
 #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_NONE)