diff --git a/tboot.changes b/tboot.changes
index 48a4291..da97e89 100644
--- a/tboot.changes
+++ b/tboot.changes
@@ -18,6 +18,8 @@ Wed Oct 10 15:31:57 UTC 2012 - meissner@suse.com
   new tboot cmdline option "min_ram=0xXXXXXX"
   Update test-patches/tpm-test.patch to fit in latest code.
 
+- zlib patch upstreamed.
+
 -------------------------------------------------------------------
 Thu May 31 13:20:57 CEST 2012 - meissner@suse.de
 
diff --git a/tboot.spec b/tboot.spec
index a38cfb2..592fead 100644
--- a/tboot.spec
+++ b/tboot.spec
@@ -25,7 +25,6 @@ License:        BSD-3-Clause
 Group:          Productivity/Security
 Url:            http://sourceforge.net/projects/tboot/
 Source0:        http://downloads.sourceforge.net/project/tboot/tboot/tboot-%{ver}.tar.gz
-Patch0:         zlib.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  openssl-devel
 BuildRequires:  trousers-devel
@@ -39,7 +38,6 @@ and verified launch of an OS kernel/VMM.
 
 %prep
 %setup -q -n %name-%ver
-%patch0 -p1
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"
diff --git a/zlib.patch b/zlib.patch
deleted file mode 100644
index 9cd3cd4..0000000
--- a/zlib.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-Index: tboot-1.7.0/lcptools/mlehash.c
-===================================================================
---- tboot-1.7.0.orig/lcptools/mlehash.c
-+++ tboot-1.7.0/lcptools/mlehash.c
-@@ -233,8 +233,8 @@ static void print_dump(uint32_t s, uint3
-  */
- static bool read_file(const char *filename, void **buffer, size_t *length)
- {
--    FILE *fcompressed = NULL;
--    FILE *fdecompressed = NULL;
-+    gzFile fcompressed = NULL;
-+    FILE   *fdecompressed = NULL;
-     struct stat filestat;
-     char tmpbuffer[1024];
-     unsigned long i;
-Index: tboot-1.7.0/tb_polgen/commands.c
-===================================================================
---- tboot-1.7.0.orig/tb_polgen/commands.c
-+++ tboot-1.7.0/tb_polgen/commands.c
-@@ -54,26 +54,31 @@ extern tb_policy_t *g_policy;
- static bool hash_file(const char *filename, bool unzip, tb_hash_t *hash)
- {
-     FILE *f;
-+    gzFile gf;
-     static char buf[1024];
-     EVP_MD_CTX ctx;
-     const EVP_MD *md;
-     int read_cnt;
- 
--    if ( unzip )
--        f = gzopen(filename, "rb");
--    else
-+    if ( unzip ) {
-+        gf = gzopen(filename, "rb");
-+        if ( gf == NULL ) {
-+            error_msg("File %s does not exist\n", filename);
-+            return false;
-+        }
-+    } else {
-         f = fopen(filename, "rb");
--
--    if ( f == NULL ) {
--        error_msg("File %s does not exist\n", filename);
--        return false;
-+        if ( f == NULL ) {
-+            error_msg("File %s does not exist\n", filename);
-+            return false;
-+        }
-     }
- 
-     md = EVP_sha1();
-     EVP_DigestInit(&ctx, md);
-     do {
-         if ( unzip )
--            read_cnt = gzread(f, buf, sizeof(buf));
-+            read_cnt = gzread(gf, buf, sizeof(buf));
-         else
-             read_cnt = fread(buf, 1, sizeof(buf), f);
-         if ( read_cnt == 0 )
-@@ -84,7 +89,7 @@ static bool hash_file(const char *filena
-     EVP_DigestFinal(&ctx, hash->sha1, NULL);
- 
-     if ( unzip )
--        gzclose(f);
-+        gzclose(gf);
-     else
-         fclose(f);
-