diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 7f061af..56836b4 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -195,9 +195,6 @@ TARGET_RECOVERY_FSTAB := $(VENDOR_PATH)/rootdir/etc/fstab.qcom
 TARGET_USERIMAGES_USE_EXT4 := true
 TARGET_USERIMAGES_USE_F2FS := true
 
-# Release tools
-TARGET_RELEASETOOLS_EXTENSIONS := $(VENDOR_PATH)
-
 # SELinux
 include device/qcom/sepolicy-legacy/sepolicy.mk
 BOARD_SEPOLICY_DIRS += $(VENDOR_PATH)/sepolicy
diff --git a/releasetools.py b/releasetools.py
deleted file mode 100644
index 3f63251..0000000
--- a/releasetools.py
+++ /dev/null
@@ -1,32 +0,0 @@
-# Copyright (C) 2015 The CyanogenMod 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.
-
-import re
-
-def FullOTA_Assertions(info):
-  AddBootloaderAssertion(info, info.input_zip)
-
-
-def IncrementalOTA_Assertions(info):
-  AddBootloaderAssertion(info, info.target_zip)
-
-
-def AddBootloaderAssertion(info, input_zip):
-  android_info = input_zip.read("OTA/android-info.txt")
-  m = re.search(r"require\s+version-bootloader\s*=\s*(\S+)", android_info)
-  if m:
-    bootloaders = m.group(1).split("|")
-    if "*" not in bootloaders:
-      info.script.AssertSomeBootloader(*bootloaders)
-    info.metadata["pre-bootloader"] = m.group(1)