diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 5f74e2b..5261356 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -725,7 +725,7 @@
   GZ = 2
 
 
-def _GetRamdiskFormat(info_dict):
+def GetRamdiskFormat(info_dict):
   if info_dict.get('lz4_ramdisks') == 'true':
     ramdisk_format = RamdiskFormat.LZ4
   else:
@@ -834,7 +834,7 @@
 
   # Load recovery fstab if applicable.
   d["fstab"] = _FindAndLoadRecoveryFstab(d, input_file, read_helper)
-  ramdisk_format = _GetRamdiskFormat(d)
+  ramdisk_format = GetRamdiskFormat(d)
 
   # Tries to load the build props for all partitions with care_map, including
   # system and vendor.
@@ -1575,7 +1575,7 @@
   img = tempfile.NamedTemporaryFile()
 
   if has_ramdisk:
-    ramdisk_format = _GetRamdiskFormat(info_dict)
+    ramdisk_format = GetRamdiskFormat(info_dict)
     ramdisk_img = _MakeRamdisk(sourcedir, fs_config_file,
                                ramdisk_format=ramdisk_format)
 
@@ -1856,7 +1856,7 @@
 
   img = tempfile.NamedTemporaryFile()
 
-  ramdisk_format = _GetRamdiskFormat(info_dict)
+  ramdisk_format = GetRamdiskFormat(info_dict)
   ramdisk_img = _MakeRamdisk(sourcedir, ramdisk_format=ramdisk_format)
 
   # use MKBOOTIMG from environ, or "mkbootimg" if empty or not set