diff --git a/test/Makefile b/test/Makefile
index 694e44b0..50939190 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -26,9 +26,9 @@ $(DEST_DIR)/functest_$(SCHEME)_$(IMPLEMENTATION): rebuild-scheme crypto_$(TYPE)/
 
 $(DEST_DIR)/testvectors_$(SCHEME)_$(IMPLEMENTATION): rebuild-scheme crypto_$(TYPE)/testvectors.c $(COMMON_FILES) $(COMMON_DIR)/notrandombytes.c
 	mkdir -p $(DEST_DIR)
-	cd $(SCHEME_DIR) && make clean && make
 	$(CC) $(CFLAGS) -DPQCLEAN_NAMESPACE=PQCLEAN_$(SCHEME_UPPERCASE) -I$(SCHEME_DIR) crypto_$(TYPE)/testvectors.c $(COMMON_FILES) $(COMMON_DIR)/notrandombytes.c -o $@ -L$(SCHEME_DIR) -l$(SCHEME)_$(IMPLEMENTATION)
 
+.PHONY: clean
 clean:
 	$(RM) $(DEST_DIR)/functest_$(SCHEME)_$(IMPLEMENTATION)
 	$(RM) $(DEST_DIR)/testvectors_$(SCHEME)_$(IMPLEMENTATION)