diff --git a/ports/mimxrt/mpconfigport.h b/ports/mimxrt/mpconfigport.h
index 967482dc77..e650579e69 100644
--- a/ports/mimxrt/mpconfigport.h
+++ b/ports/mimxrt/mpconfigport.h
@@ -116,6 +116,7 @@ uint32_t trng_random_u32(void);
 #define MICROPY_PY_URE_MATCH_GROUPS         (1)
 #define MICROPY_PY_URE_MATCH_SPAN_START_END (1)
 #define MICROPY_PY_URE_SUB                  (1)
+#define MICROPY_PY_USSL_FINALISER           (MICROPY_PY_USSL)
 #define MICROPY_PY_UHASHLIB                 (1)
 #define MICROPY_PY_UBINASCII                (1)
 #define MICROPY_PY_UBINASCII_CRC32          (1)
diff --git a/ports/stm32/mpconfigport.h b/ports/stm32/mpconfigport.h
index b1a38713dc..6bca5dfd92 100644
--- a/ports/stm32/mpconfigport.h
+++ b/ports/stm32/mpconfigport.h
@@ -91,6 +91,7 @@
 #endif
 
 // extended modules
+#define MICROPY_PY_USSL_FINALISER   (MICROPY_PY_USSL)
 #define MICROPY_PY_UHASHLIB_MD5     (MICROPY_PY_USSL)
 #define MICROPY_PY_UHASHLIB_SHA1    (MICROPY_PY_USSL)
 #define MICROPY_PY_UCRYPTOLIB       (MICROPY_PY_USSL)