thodg/libgit2

diff --git a/deps/zlib/adler32.c b/deps/zlib/adler32.c
index d0be438..444a5a8 100644
--- a/deps/zlib/adler32.c
+++ b/deps/zlib/adler32.c
@@ -177,10 +177,3 @@ uLong ZEXPORT adler32_combine(adler1, adler2, len2)
     return adler32_combine_(adler1, adler2, len2);
 }
 
-uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
-    uLong adler1;
-    uLong adler2;
-    z_off64_t len2;
-{
-    return adler32_combine_(adler1, adler2, len2);
-}
diff --git a/deps/zlib/crc32.c b/deps/zlib/crc32.c
index 9580440..1ee0284 100644
--- a/deps/zlib/crc32.c
+++ b/deps/zlib/crc32.c
@@ -433,10 +433,3 @@ uLong ZEXPORT crc32_combine(crc1, crc2, len2)
     return crc32_combine_(crc1, crc2, len2);
 }
 
-uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
-    uLong crc1;
-    uLong crc2;
-    z_off64_t len2;
-{
-    return crc32_combine_(crc1, crc2, len2);
-}