diff --git a/ports/unix/Makefile b/ports/unix/Makefile
index 88fa1af045..3c54d156c3 100644
--- a/ports/unix/Makefile
+++ b/ports/unix/Makefile
@@ -256,21 +256,24 @@ endif
 
 include $(TOP)/py/mkrules.mk
 
-.PHONY: test test_full
+.PHONY: test test_full_no_native test_full
 
 test: $(BUILD)/$(PROG) $(TOP)/tests/run-tests.py
 	$(eval DIRNAME=ports/$(notdir $(CURDIR)))
 	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py
 
-test_full: $(BUILD)/$(PROG) $(TOP)/tests/run-tests.py
+test_full_no_native: $(BUILD)/$(PROG) $(TOP)/tests/run-tests.py
 	$(eval DIRNAME=ports/$(notdir $(CURDIR)))
 	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py
 	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py -d thread
-	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py --emit native
 	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py --via-mpy $(RUN_TESTS_MPY_CROSS_FLAGS) -d basics float micropython
-	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py --via-mpy $(RUN_TESTS_MPY_CROSS_FLAGS) --emit native -d basics float micropython
 	cat $(TOP)/tests/basics/0prelim.py | ./$(BUILD)/$(PROG) | grep -q 'abc'
 
+test_full: $(BUILD)/$(PROG) $(TOP)/tests/run-tests.py test_full_no_native
+	$(eval DIRNAME=ports/$(notdir $(CURDIR)))
+	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py --emit native
+	cd $(TOP)/tests && MICROPY_MICROPYTHON=../$(DIRNAME)/$(BUILD)/$(PROG) ./run-tests.py --via-mpy $(RUN_TESTS_MPY_CROSS_FLAGS) --emit native -d basics float micropython
+
 test_gcov: test_full
 	gcov -o $(BUILD)/py $(TOP)/py/*.c
 	gcov -o $(BUILD)/extmod $(TOP)/extmod/*.c
diff --git a/tools/ci.sh b/tools/ci.sh
index 011aabea31..aafd6cc573 100755
--- a/tools/ci.sh
+++ b/tools/ci.sh
@@ -527,13 +527,26 @@ function ci_unix_run_tests_helper {
     make -C ports/unix "$@" test
 }
 
+function ci_unix_run_tests_full_extra {
+    micropython=$1
+    (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=$micropython ./run-multitests.py multi_net/*.py)
+    (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=$micropython ./run-perfbench.py 1000 1000)
+}
+
+function ci_unix_run_tests_full_no_native_helper {
+    variant=$1
+    shift
+    micropython=../ports/unix/build-$variant/micropython
+    make -C ports/unix VARIANT=$variant "$@" test_full_no_native
+    ci_unix_run_tests_full_extra $micropython
+}
+
 function ci_unix_run_tests_full_helper {
     variant=$1
     shift
     micropython=../ports/unix/build-$variant/micropython
     make -C ports/unix VARIANT=$variant "$@" test_full
-    (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=$micropython ./run-multitests.py multi_net/*.py)
-    (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=$micropython ./run-perfbench.py 1000 1000)
+    ci_unix_run_tests_full_extra $micropython
 }
 
 function ci_native_mpy_modules_build {
@@ -673,7 +686,7 @@ function ci_unix_nanbox_build {
 }
 
 function ci_unix_nanbox_run_tests {
-    ci_unix_run_tests_full_helper nanbox PYTHON=python2.7
+    ci_unix_run_tests_full_no_native_helper nanbox PYTHON=python2.7
 }
 
 function ci_unix_float_build {