diff --git a/src/fw_exti.c b/src/fw_exti.c
deleted file mode 100644
index 44641fc..0000000
--- a/src/fw_exti.c
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2021 IOsetting <iosetting(at)outlook.com>
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "fw_exti.h"
-
diff --git a/src/fw_gpio.c b/src/fw_gpio.c
deleted file mode 100644
index a376b86..0000000
--- a/src/fw_gpio.c
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2021 IOsetting <iosetting(at)outlook.com>
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "fw_gpio.h"
-
-
-
-
-