diff --git a/core/clang/tidy.mk b/core/clang/tidy.mk
index c1d485d..c156f31 100644
--- a/core/clang/tidy.mk
+++ b/core/clang/tidy.mk
@@ -51,6 +51,7 @@
   hardware/qcom:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
   vendor/:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
   vendor/google:$(DEFAULT_GLOBAL_TIDY_CHECKS) \
+  vendor/google_devices:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
 
 # Returns 2nd word of $(1) if $(2) has prefix of the 1st word of $(1).
 define find_default_local_tidy_check2
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 564cd17..fad6a5e 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -514,13 +514,13 @@
     img_keyblock.close()
 
   # AVB: if enabled, calculate and add hash to boot.img.
-  if OPTIONS.info_dict.get("board_avb_enable", None) == "true":
+  if info_dict.get("board_avb_enable", None) == "true":
     avbtool = os.getenv('AVBTOOL') or "avbtool"
-    part_size = OPTIONS.info_dict.get("boot_size", None)
+    part_size = info_dict.get("boot_size", None)
     cmd = [avbtool, "add_hash_footer", "--image", img.name,
            "--partition_size", str(part_size), "--partition_name", "boot"]
     AppendAVBSigningArgs(cmd)
-    args = OPTIONS.info_dict.get("board_avb_boot_add_hash_footer_args", None)
+    args = info_dict.get("board_avb_boot_add_hash_footer_args", None)
     if args and args.strip():
       cmd.extend(shlex.split(args))
     p = Run(cmd, stdout=subprocess.PIPE)
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index 6d68be1..7f69a57 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -280,7 +280,7 @@
       pass
 
     # Skip the care_map as we will regenerate the system/vendor images.
-    elif (info.filename == "META/care_map.txt"):
+    elif info.filename == "META/care_map.txt":
       pass
 
     # Copy BOOT/, RECOVERY/, META/, ROOT/ to rebuild recovery patch. This case
@@ -553,9 +553,12 @@
   for param in in_cmdline.split():
     if "veritykeyid" in param:
       # extract keyid using openssl command
-      p = common.Run(["openssl", "x509", "-in", keypath, "-text"], stdout=subprocess.PIPE)
+      p = common.Run(
+          ["openssl", "x509", "-in", keypath, "-text"],
+          stdout=subprocess.PIPE)
       keyid, stderr = p.communicate()
-      keyid = re.search(r'keyid:([0-9a-fA-F:]*)', keyid).group(1).replace(':', '').lower()
+      keyid = re.search(
+          r'keyid:([0-9a-fA-F:]*)', keyid).group(1).replace(':', '').lower()
       print "Replacing verity keyid with %s error=%s" % (keyid, stderr)
       out_cmdline.append("veritykeyid=id:%s" % (keyid,))
     else:
@@ -592,7 +595,6 @@
   codename = None
   for line in data.split("\n"):
     line = line.strip()
-    original_line = line
     if line and line[0] != '#' and "=" in line:
       key, value = line.split("=", 1)
       key = key.strip()
@@ -615,7 +617,6 @@
   codenames = None
   for line in data.split("\n"):
     line = line.strip()
-    original_line = line
     if line and line[0] != '#' and "=" in line:
       key, value = line.split("=", 1)
       key = key.strip()
@@ -698,12 +699,8 @@
   CheckAllApksSigned(input_zip, apk_key_map)
 
   key_passwords = common.GetKeyPasswords(set(apk_key_map.values()))
-  platform_api_level, platform_codename = GetApiLevelAndCodename(input_zip)
+  platform_api_level, _ = GetApiLevelAndCodename(input_zip)
   codename_to_api_level_map = GetCodenameToApiLevelMap(input_zip)
-  # Android N will be API Level 24, but isn't yet.
-  # TODO: Remove this workaround once Android N is officially API Level 24.
-  if platform_api_level == 23 and platform_codename == "N":
-    platform_api_level = 24
 
   ProcessTargetFiles(input_zip, output_zip, misc_info,
                      apk_key_map, key_passwords,