diff --git a/config/mbedtls_config.h b/config/mbedtls_config.h
index f36b295..709b058 100644
--- a/config/mbedtls_config.h
+++ b/config/mbedtls_config.h
@@ -1004,7 +1004,7 @@
  *
  * Enable functions that use the filesystem.
  */
-#define MBEDTLS_FS_IO
+//#define MBEDTLS_FS_IO
 
 /**
  * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
@@ -2657,7 +2657,7 @@
  *           either MBEDTLS_PSA_ITS_FILE_C or a native implementation of
  *           the PSA ITS interface
  */
-#define MBEDTLS_PSA_CRYPTO_STORAGE_C
+//#define MBEDTLS_PSA_CRYPTO_STORAGE_C
 
 /**
  * \def MBEDTLS_PSA_ITS_FILE_C
@@ -2669,7 +2669,7 @@
  *
  * Requires: MBEDTLS_FS_IO
  */
-#define MBEDTLS_PSA_ITS_FILE_C
+//#define MBEDTLS_PSA_ITS_FILE_C
 
 /**
  * \def MBEDTLS_RIPEMD160_C