diff --git a/tools/mtd-utils/patches/132-revert-zlib-cleanup.patch b/tools/mtd-utils/patches/132-revert-zlib-cleanup.patch
deleted file mode 100644
index d9ee178b019191b7284556fcae369b638e1f5d8c..0000000000000000000000000000000000000000
--- a/tools/mtd-utils/patches/132-revert-zlib-cleanup.patch
+++ /dev/null
@@ -1,210 +0,0 @@
-diff -Nrup a/compr_zlib.c b/compr_zlib.c
---- a/compr_zlib.c
-+++ b/compr_zlib.c
-@@ -35,9 +35,7 @@
- #define PROGRAM_NAME "compr_zlib"
-
- #include <stdint.h>
--#define crc32 __zlib_crc32
- #include <zlib.h>
--#undef crc32
- #include <stdio.h>
- #include <linux/jffs2.h>
- #include "common.h"
-diff -Nrup a/jffs2reader.c b/jffs2reader.c
---- a/jffs2reader.c
-+++ b/jffs2reader.c
-@@ -76,6 +76,7 @@ BUGS:
- #include <sys/stat.h>
- #include <sys/param.h>
- #include <dirent.h>
-+#include <zlib.h>
- #include <linux/jffs2.h>
-
- #define SCRATCH_SIZE (5*1024*1024)
-diff -Nrup a/mkfs.jffs2.c b/mkfs.jffs2.c
---- a/mkfs.jffs2.c
-+++ b/mkfs.jffs2.c
-@@ -71,6 +71,9 @@
- #include <sys/acl.h>
- #endif
- #include <byteswap.h>
-+#define crc32 __zlib_crc32
-+#include <zlib.h>
-+#undef crc32
- #include <crc32.h>
- #include "rbtree.h"
-
-@@ -725,7 +728,7 @@ static void write_dirent(struct filesyst
- rd.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- rd.nodetype = cpu_to_je16(JFFS2_NODETYPE_DIRENT);
- rd.totlen = cpu_to_je32(sizeof(rd) + strlen(name));
-- rd.hdr_crc = cpu_to_je32(mtd_crc32(0, &rd,
-+ rd.hdr_crc = cpu_to_je32(crc32(0, &rd,
- sizeof(struct jffs2_unknown_node) - 4));
- rd.pino = cpu_to_je32((e->parent) ? e->parent->ino : 1);
- rd.version = cpu_to_je32(version++);
-@@ -735,8 +738,8 @@ static void write_dirent(struct filesyst
- rd.type = IFTODT(statbuf->st_mode);
- //rd.unused[0] = 0;
- //rd.unused[1] = 0;
-- rd.node_crc = cpu_to_je32(mtd_crc32(0, &rd, sizeof(rd) - 8));
-- rd.name_crc = cpu_to_je32(mtd_crc32(0, name, strlen(name)));
-+ rd.node_crc = cpu_to_je32(crc32(0, &rd, sizeof(rd) - 8));
-+ rd.name_crc = cpu_to_je32(crc32(0, name, strlen(name)));
-
- pad_block_if_less_than(sizeof(rd) + rd.nsize);
- full_write(out_fd, &rd, sizeof(rd));
-@@ -822,15 +825,15 @@ static unsigned int write_regular_file(s
- }
-
- ri.totlen = cpu_to_je32(sizeof(ri) + space);
-- ri.hdr_crc = cpu_to_je32(mtd_crc32(0,
-+ ri.hdr_crc = cpu_to_je32(crc32(0,
- &ri, sizeof(struct jffs2_unknown_node) - 4));
-
- ri.version = cpu_to_je32(++ver);
- ri.offset = cpu_to_je32(offset);
- ri.csize = cpu_to_je32(space);
- ri.dsize = cpu_to_je32(dsize);
-- ri.node_crc = cpu_to_je32(mtd_crc32(0, &ri, sizeof(ri) - 8));
-- ri.data_crc = cpu_to_je32(mtd_crc32(0, wbuf, space));
-+ ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri) - 8));
-+ ri.data_crc = cpu_to_je32(crc32(0, wbuf, space));
-
- full_write(out_fd, &ri, sizeof(ri));
- totcomp += sizeof(ri);
-@@ -855,11 +858,11 @@ static unsigned int write_regular_file(s
-
- ri.version = cpu_to_je32(++ver);
- ri.totlen = cpu_to_je32(sizeof(ri));
-- ri.hdr_crc = cpu_to_je32(mtd_crc32(0,
-+ ri.hdr_crc = cpu_to_je32(crc32(0,
- &ri, sizeof(struct jffs2_unknown_node) - 4));
- ri.csize = cpu_to_je32(0);
- ri.dsize = cpu_to_je32(0);
-- ri.node_crc = cpu_to_je32(mtd_crc32(0, &ri, sizeof(ri) - 8));
-+ ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri) - 8));
-
- full_write(out_fd, &ri, sizeof(ri));
- padword();
-@@ -894,7 +897,7 @@ static void write_symlink(struct filesys
- ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
- ri.totlen = cpu_to_je32(sizeof(ri) + len);
-- ri.hdr_crc = cpu_to_je32(mtd_crc32(0,
-+ ri.hdr_crc = cpu_to_je32(crc32(0,
- &ri, sizeof(struct jffs2_unknown_node) - 4));
-
- ri.ino = cpu_to_je32(e->ino);
-@@ -908,8 +911,8 @@ static void write_symlink(struct filesys
- ri.version = cpu_to_je32(1);
- ri.csize = cpu_to_je32(len);
- ri.dsize = cpu_to_je32(len);
-- ri.node_crc = cpu_to_je32(mtd_crc32(0, &ri, sizeof(ri) - 8));
-- ri.data_crc = cpu_to_je32(mtd_crc32(0, e->link, len));
-+ ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri) - 8));
-+ ri.data_crc = cpu_to_je32(crc32(0, e->link, len));
-
- pad_block_if_less_than(sizeof(ri) + len);
- full_write(out_fd, &ri, sizeof(ri));
-@@ -936,7 +939,7 @@ static void write_pipe(struct filesystem
- ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
- ri.totlen = cpu_to_je32(sizeof(ri));
-- ri.hdr_crc = cpu_to_je32(mtd_crc32(0,
-+ ri.hdr_crc = cpu_to_je32(crc32(0,
- &ri, sizeof(struct jffs2_unknown_node) - 4));
-
- ri.ino = cpu_to_je32(e->ino);
-@@ -950,7 +953,7 @@ static void write_pipe(struct filesystem
- ri.version = cpu_to_je32(1);
- ri.csize = cpu_to_je32(0);
- ri.dsize = cpu_to_je32(0);
-- ri.node_crc = cpu_to_je32(mtd_crc32(0, &ri, sizeof(ri) - 8));
-+ ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri) - 8));
- ri.data_crc = cpu_to_je32(0);
-
- pad_block_if_less_than(sizeof(ri));
-@@ -976,7 +979,7 @@ static void write_special_file(struct fi
- ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
- ri.totlen = cpu_to_je32(sizeof(ri) + sizeof(kdev));
-- ri.hdr_crc = cpu_to_je32(mtd_crc32(0,
-+ ri.hdr_crc = cpu_to_je32(crc32(0,
- &ri, sizeof(struct jffs2_unknown_node) - 4));
-
- ri.ino = cpu_to_je32(e->ino);
-@@ -990,8 +993,8 @@ static void write_special_file(struct fi
- ri.version = cpu_to_je32(1);
- ri.csize = cpu_to_je32(sizeof(kdev));
- ri.dsize = cpu_to_je32(sizeof(kdev));
-- ri.node_crc = cpu_to_je32(mtd_crc32(0, &ri, sizeof(ri) - 8));
-- ri.data_crc = cpu_to_je32(mtd_crc32(0, &kdev, sizeof(kdev)));
-+ ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri) - 8));
-+ ri.data_crc = cpu_to_je32(crc32(0, &kdev, sizeof(kdev)));
-
- pad_block_if_less_than(sizeof(ri) + sizeof(kdev));
- full_write(out_fd, &ri, sizeof(ri));
-@@ -1104,15 +1107,15 @@ static xattr_entry_t *create_xattr_entry
- rx.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- rx.nodetype = cpu_to_je16(JFFS2_NODETYPE_XATTR);
- rx.totlen = cpu_to_je32(PAD(sizeof(rx) + xe->name_len + 1 + xe->value_len));
-- rx.hdr_crc = cpu_to_je32(mtd_crc32(0, &rx, sizeof(struct jffs2_unknown_node) - 4));
-+ rx.hdr_crc = cpu_to_je32(crc32(0, &rx, sizeof(struct jffs2_unknown_node) - 4));
-
- rx.xid = cpu_to_je32(xe->xid);
- rx.version = cpu_to_je32(1); /* initial version */
- rx.xprefix = xprefix;
- rx.name_len = xe->name_len;
- rx.value_len = cpu_to_je16(xe->value_len);
-- rx.data_crc = cpu_to_je32(mtd_crc32(0, xe->xname, xe->name_len + 1 + xe->value_len));
-- rx.node_crc = cpu_to_je32(mtd_crc32(0, &rx, sizeof(rx) - 4));
-+ rx.data_crc = cpu_to_je32(crc32(0, xe->xname, xe->name_len + 1 + xe->value_len));
-+ rx.node_crc = cpu_to_je32(crc32(0, &rx, sizeof(rx) - 4));
-
- pad_block_if_less_than(sizeof(rx) + xe->name_len + 1 + xe->value_len);
- full_write(out_fd, &rx, sizeof(rx));
-@@ -1138,7 +1141,7 @@ static xattr_entry_t *find_xattr_entry(i
- formalize_posix_acl(xvalue, &value_len);
-
- name_len = strlen(xname);
-- index = (mtd_crc32(0, xname, name_len) ^ mtd_crc32(0, xvalue, value_len)) % XATTRENTRY_HASHSIZE;
-+ index = (crc32(0, xname, name_len) ^ crc32(0, xvalue, value_len)) % XATTRENTRY_HASHSIZE;
- for (xe = xentry_hash[index]; xe; xe = xe->next) {
- if (xe->xprefix == xprefix
- && xe->value_len == value_len
-@@ -1218,11 +1221,11 @@ static void write_xattr_entry(struct fil
- ref.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- ref.nodetype = cpu_to_je16(JFFS2_NODETYPE_XREF);
- ref.totlen = cpu_to_je32(sizeof(ref));
-- ref.hdr_crc = cpu_to_je32(mtd_crc32(0, &ref, sizeof(struct jffs2_unknown_node) - 4));
-+ ref.hdr_crc = cpu_to_je32(crc32(0, &ref, sizeof(struct jffs2_unknown_node) - 4));
- ref.ino = cpu_to_je32(e->ino);
- ref.xid = cpu_to_je32(xe->xid);
- ref.xseqno = cpu_to_je32(highest_xseqno += 2);
-- ref.node_crc = cpu_to_je32(mtd_crc32(0, &ref, sizeof(ref) - 4));
-+ ref.node_crc = cpu_to_je32(crc32(0, &ref, sizeof(ref) - 4));
-
- pad_block_if_less_than(sizeof(ref));
- full_write(out_fd, &ref, sizeof(ref));
-@@ -1350,7 +1353,7 @@ static void create_target_filesystem(str
- cleanmarker.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- cleanmarker.nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER);
- cleanmarker.totlen = cpu_to_je32(cleanmarker_size);
-- cleanmarker.hdr_crc = cpu_to_je32(mtd_crc32(0, &cleanmarker, sizeof(struct jffs2_unknown_node)-4));
-+ cleanmarker.hdr_crc = cpu_to_je32(crc32(0, &cleanmarker, sizeof(struct jffs2_unknown_node)-4));
-
- if (ino == 0)
- ino = 1;
-diff -Nrup a/mkfs.ubifs/compr.c b/mkfs.ubifs/compr.c
---- a/mkfs.ubifs/compr.c
-+++ b/mkfs.ubifs/compr.c
-@@ -31,7 +31,6 @@
-
- #define crc32 __zlib_crc32
- #include <zlib.h>
--#undef crc32
-
- #include "compr.h"
- #include "ubifs-media.h"