diff --git a/micropython/unix/Makefile b/micropython/unix/Makefile
index 036fbebd..4e061d80 100644
--- a/micropython/unix/Makefile
+++ b/micropython/unix/Makefile
@@ -102,6 +102,7 @@ SRC_MOD += $(EXTMOD_DIR)/../unix/common.c
 include ../py/mkenv.mk
 
 FROZEN_DIR = scripts
+FROZEN_MPY_DIR = modules
 
 # define main target
 PROG = micropython
@@ -117,7 +118,6 @@ include ../py/py.mk
 
 INC +=  -I.
 INC +=  -I..
-INC += -I../lib/timeutils
 INC += -I$(BUILD)
 
 # compiler settings
@@ -313,7 +313,7 @@ fast:
 # build a minimal interpreter
 minimal:
 	$(MAKE) COPT="-Os -DNDEBUG" CFLAGS_EXTRA='-DMP_CONFIGFILE="<mpconfigport_minimal.h>"' \
-	    BUILD=build-minimal PROG=micropython_minimal FROZEN_DIR= \
+	    BUILD=build-minimal PROG=micropython_minimal FROZEN_DIR= FROZEN_MPY_DIR= \
 	    MICROPY_PY_BTREE=0 MICROPY_PY_FFI=0 MICROPY_PY_SOCKET=0 MICROPY_PY_THREAD=0 \
 	    MICROPY_PY_TERMIOS=0 MICROPY_PY_USSL=0 \
 	    MICROPY_USE_READLINE=0
@@ -364,7 +364,7 @@ coverage_test: coverage
 	gcov -o build-coverage/extmod ../extmod/*.c
 
 # Value of configure's --host= option (required for cross-compilation).
-# Deduce it from CROSS_COMPILE by default, but can be overriden.
+# Deduce it from CROSS_COMPILE by default, but can be overridden.
 ifneq ($(CROSS_COMPILE),)
 CROSS_COMPILE_HOST = --host=$(patsubst %-,%,$(CROSS_COMPILE))
 else
@@ -380,15 +380,15 @@ libffi:
 	cd ../lib/libffi; ./autogen.sh
 	mkdir -p ../lib/libffi/build_dir; cd ../lib/libffi/build_dir; \
 	../configure $(CROSS_COMPILE_HOST) --prefix=$$PWD/out --disable-structs CC="$(CC)" CXX="$(CXX)" LD="$(LD)" CFLAGS="-Os -fomit-frame-pointer -fstrict-aliasing -ffast-math -fno-exceptions"; \
-	make install-exec-recursive; make -C include install-data-am
+	$(MAKE) install-exec-recursive; $(MAKE) -C include install-data-am
 
 axtls: $(BUILD)/libaxtls.a
 
 $(BUILD)/libaxtls.a: ../lib/axtls/README | $(OBJ_DIRS)
 	cd ../lib/axtls; cp config/upyconfig config/.config
-	cd ../lib/axtls; make oldconfig -B
-	cd ../lib/axtls; make clean
-	cd ../lib/axtls; make all CC="$(CC)" LD="$(LD)"
+	cd ../lib/axtls; $(MAKE) oldconfig -B
+	cd ../lib/axtls; $(MAKE) clean
+	cd ../lib/axtls; $(MAKE) all CC="$(CC)" LD="$(LD)"
 	cp ../lib/axtls/_stage/libaxtls.a $@
 
 ../lib/axtls/README:
diff --git a/micropython/unix/mpconfigport.h b/micropython/unix/mpconfigport.h
index 1851132d..95f09099 100644
--- a/micropython/unix/mpconfigport.h
+++ b/micropython/unix/mpconfigport.h
@@ -81,6 +81,7 @@
 #define MICROPY_PY_BUILTINS_FROZENSET (1)
 #define MICROPY_PY_BUILTINS_COMPILE (1)
 #define MICROPY_PY_BUILTINS_NOTIMPLEMENTED (1)
+#define MICROPY_PY_BUILTINS_INPUT   (1)
 #define MICROPY_PY_BUILTINS_POW3    (1)
 #define MICROPY_PY_MICROPYTHON_MEM_INFO (1)
 #define MICROPY_PY_ALL_SPECIAL_METHODS (1)
@@ -330,7 +331,6 @@ void mp_unix_mark_exec(void);
 #endif
 
 #define MICROPY_PORT_BUILTINS \
-    { MP_ROM_QSTR(MP_QSTR_input), MP_ROM_PTR(&mp_builtin_input_obj) }, \
     { MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
 
 #define MP_STATE_PORT MP_STATE_VM
diff --git a/vendor/micropython b/vendor/micropython
index 867265be..b228a131 160000
--- a/vendor/micropython
+++ b/vendor/micropython
@@ -1 +1 @@
-Subproject commit 867265be034486a54026e0d03228ebf16e8182c7
+Subproject commit b228a1317ff340d42db6f0b59ac7b2e68b8f9ed6