diff --git a/bare-arm/mpconfigport.h b/bare-arm/mpconfigport.h
index fe92dd4b71..caf37419af 100644
--- a/bare-arm/mpconfigport.h
+++ b/bare-arm/mpconfigport.h
@@ -20,6 +20,7 @@
 #define MICROPY_ENABLE_DOC_STRING   (0)
 #define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_TERSE)
 #define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (0)
+#define MICROPY_PY_ASYNC_AWAIT (0)
 #define MICROPY_PY_BUILTINS_BYTEARRAY (0)
 #define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
 #define MICROPY_PY_BUILTINS_ENUMERATE (0)
diff --git a/cc3200/mpconfigport.h b/cc3200/mpconfigport.h
index fd645618da..d4774adf3e 100644
--- a/cc3200/mpconfigport.h
+++ b/cc3200/mpconfigport.h
@@ -75,6 +75,7 @@
 #define MICROPY_STREAMS_NON_BLOCK                   (1)
 #define MICROPY_MODULE_WEAK_LINKS                   (1)
 #define MICROPY_CAN_OVERRIDE_BUILTINS               (1)
+#define MICROPY_PY_ASYNC_AWAIT (0)
 #define MICROPY_PY_BUILTINS_TIMEOUTERROR            (1)
 #define MICROPY_PY_ALL_SPECIAL_METHODS              (1)
 #ifndef DEBUG
diff --git a/minimal/mpconfigport.h b/minimal/mpconfigport.h
index e055f3c801..95e216b129 100644
--- a/minimal/mpconfigport.h
+++ b/minimal/mpconfigport.h
@@ -22,6 +22,7 @@
 #define MICROPY_ENABLE_DOC_STRING   (0)
 #define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_TERSE)
 #define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (0)
+#define MICROPY_PY_ASYNC_AWAIT      (0)
 #define MICROPY_PY_BUILTINS_BYTEARRAY (0)
 #define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
 #define MICROPY_PY_BUILTINS_ENUMERATE (0)
diff --git a/pic16bit/mpconfigport.h b/pic16bit/mpconfigport.h
index 4921d7be2a..af30296935 100644
--- a/pic16bit/mpconfigport.h
+++ b/pic16bit/mpconfigport.h
@@ -43,6 +43,7 @@
 #define MICROPY_ENABLE_SOURCE_LINE  (0)
 #define MICROPY_ENABLE_DOC_STRING   (0)
 #define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_TERSE)
+#define MICROPY_PY_ASYNC_AWAIT      (0)
 #define MICROPY_PY_BUILTINS_BYTEARRAY (0)
 #define MICROPY_PY_BUILTINS_MEMORYVIEW (0)
 #define MICROPY_PY_BUILTINS_FROZENSET (0)