diff --git a/ports/card10/mpconfigport.h b/ports/card10/mpconfigport.h
index 14d3833cce986f03cc8e70da890006d867500b2e..b248148c122dd9cf233bc675e9c5a4ae1dd31c98 100644
--- a/ports/card10/mpconfigport.h
+++ b/ports/card10/mpconfigport.h
@@ -8,7 +8,7 @@
 #define MICROPY_ENABLE_COMPILER     (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)
@@ -54,7 +54,7 @@
 #define MICROPY_PY_IO               (0)
 #define MICROPY_PY_STRUCT           (0)
 #define MICROPY_PY_SYS              (0)
-#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)