diff --git a/include/ziparchive/zip_archive.h b/include/ziparchive/zip_archive.h
index afd2b7e..27a9796 100644
--- a/include/ziparchive/zip_archive.h
+++ b/include/ziparchive/zip_archive.h
@@ -158,11 +158,6 @@
 void EndIteration(void* cookie);
 
 /*
- * Whether entry names in an archive are encoded in UTF-8.
- */
-bool HasUTF8Names(const ZipArchiveHandle handle);
-
-/*
  * Uncompress and write an entry to an open file identified by |fd|.
  * |entry->uncompressed_length| bytes will be written to the file at
  * its current offset, and the file will be truncated at the end of
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index 9fe7cc7..a29eb79 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -192,11 +192,8 @@
 
 #undef DISALLOW_IMPLICIT_CONSTRUCTORS
 
-// mask value that signifies that the entry has a DD
-static const uint32_t kGPBDDFlagMask = 0x0008;
+static const uint32_t kGPBDDFlagMask = 0x0008;         // mask value that signifies that the entry has a DD
 static const uint32_t kMaxErrorLen = 1024;
-// mask value that signifies that the entry names are encoded in UTF-8
-static const uint32_t kGPBEFSFlagMask = 0x0800;
 
 // The maximum size of a central directory or a file
 // comment in bytes.
@@ -298,7 +295,6 @@
 
   /* number of entries in the Zip archive */
   uint16_t num_entries;
-  bool utf8_names_encoding;
 
   /*
    * We know how many entries are in the Zip archive, so we can have a
@@ -314,7 +310,6 @@
       directory_offset(0),
       directory_map(NULL),
       num_entries(0),
-      utf8_names_encoding(false),
       hash_table_size(0),
       hash_table(NULL) {}
 
@@ -660,15 +655,6 @@
           ptr - cd_ptr, cd_length, i);
       goto bail;
     }
-    if (i == 0) {
-      archive->utf8_names_encoding = cdr->gpb_flags & kGPBEFSFlagMask;
-    } else {
-      bool has_utf8_name_encoding = cdr->gpb_flags & kGPBEFSFlagMask;
-      if (archive->utf8_names_encoding != has_utf8_name_encoding) {
-        ALOGW("Zip: Entry names encoded with different encoding");
-        goto bail;
-      }
-    }
   }
   ALOGV("+++ zip good scan %" PRIu16 " entries", num_entries);
 
@@ -990,11 +976,6 @@
   return kIterationEnd;
 }
 
-bool HasUTF8Names(const ZipArchiveHandle handle) {
-  const ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle);
-  return archive->utf8_names_encoding;
-}
-
 static int32_t InflateToFile(int fd, const ZipEntry* entry,
                              uint8_t* begin, uint32_t length,
                              uint64_t* crc_out) {