diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 475fca1..1124eae 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -173,7 +173,6 @@ TARGET_PROVIDES_KEYMASTER := true
 TARGET_PER_MGR_ENABLED := true
 
 # Power
-TARGET_POWERHAL_SET_INTERACTIVE_EXT := $(VENDOR_PATH)/power/power_ext.c
 TARGET_POWERHAL_VARIANT := qcom
 
 # Properties
diff --git a/power/power_ext.c b/power/power_ext.c
deleted file mode 100644
index edf50a1..0000000
--- a/power/power_ext.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2014 The CyanogenMod Project
- * Copyright (c) 2017 The LineageOS Project
- *
- * 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.
- */
-
-#define LOG_TAG "PowerHAL_H_Ext"
-#include <utils/Log.h>
-
-#include "utils.h"
-
-/* touchkeys */
-#define TK_POWER "/sys/class/sec/sec_touchkey/input/enabled"
-
-/* touchscreen */
-#define TS_POWER "/sys/class/sec/tsp/input/enabled"
-
-void cm_power_set_interactive_ext(int on) {
-    ALOGD("%s: %s input devices", __func__, on ? "enabling" : "disabling");
-    sysfs_write(TK_POWER, on ? "1" : "0");
-    sysfs_write(TS_POWER, on ? "1" : "0");
-}