diff --git a/libsndfile-1.0.25-system-gsm.patch b/libsndfile-1.0.25-system-gsm.patch
deleted file mode 100644
index d6d1b34..0000000
--- a/libsndfile-1.0.25-system-gsm.patch
+++ /dev/null
@@ -1,56 +0,0 @@
-diff -up libsndfile-1.0.28/src/gsm610.c.systemgsm libsndfile-1.0.28/src/gsm610.c
---- libsndfile-1.0.28/src/gsm610.c.systemgsm	2016-09-10 10:08:27.000000000 +0200
-+++ libsndfile-1.0.28/src/gsm610.c	2017-04-11 10:47:40.437162489 +0200
-@@ -27,7 +27,7 @@
- #include "sfendian.h"
- #include "common.h"
- #include "wavlike.h"
--#include "GSM610/gsm.h"
-+#include <gsm.h>
- 
- #define	GSM610_BLOCKSIZE		33
- #define	GSM610_SAMPLES			160
-@@ -391,7 +391,8 @@ gsm610_seek	(SF_PRIVATE *psf, int UNUSED
- 		psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
- 		pgsm610->blockcount = 0 ;
- 
--		gsm_init (pgsm610->gsm_data) ;
-+		gsm_destroy (pgsm610->gsm_data) ;
-+		pgsm610->gsm_data = gsm_create () ;
- 		if ((SF_CONTAINER (psf->sf.format)) == SF_FORMAT_WAV ||
- 				(SF_CONTAINER (psf->sf.format)) == SF_FORMAT_W64)
- 			gsm_option (pgsm610->gsm_data, GSM_OPT_WAV49, &true_flag) ;
-diff -up libsndfile-1.0.28/src/Makefile.am.systemgsm libsndfile-1.0.28/src/Makefile.am
---- libsndfile-1.0.28/src/Makefile.am.systemgsm	2017-04-01 09:18:02.000000000 +0200
-+++ libsndfile-1.0.28/src/Makefile.am	2017-04-11 10:48:43.855620172 +0200
-@@ -8,7 +8,7 @@ lib_LTLIBRARIES = libsndfile.la
- include_HEADERS = sndfile.hh
- nodist_include_HEADERS = sndfile.h
- 
--noinst_LTLIBRARIES =  GSM610/libgsm.la G72x/libg72x.la ALAC/libalac.la libcommon.la
-+noinst_LTLIBRARIES =  G72x/libg72x.la ALAC/libalac.la libcommon.la
- 
- SYMBOL_FILES = Symbols.gnu-binutils Symbols.darwin libsndfile-1.def Symbols.os2 Symbols.static
- 
-@@ -43,7 +43,7 @@ libsndfile_la_CPPFLAGS = -DSNDFILE_EXPOR
- libsndfile_la_LDFLAGS = -no-undefined -version-info  $(SHARED_VERSION_INFO) $(SHLIB_VERSION_ARG)
- libsndfile_la_SOURCES = $(FILESPECIFIC) $(noinst_HEADERS)
- nodist_libsndfile_la_SOURCES = $(nodist_include_HEADERS)
--libsndfile_la_LIBADD = GSM610/libgsm.la G72x/libg72x.la ALAC/libalac.la \
-+libsndfile_la_LIBADD = -lgsm G72x/libg72x.la ALAC/libalac.la \
- 		libcommon.la $(EXTERNAL_XIPH_LIBS) -lm
- 
- EXTRA_libsndfile_la_DEPENDENCIES = $(SYMBOL_FILES)
-@@ -58,12 +58,6 @@ libcommon_la_SOURCES = common.c file_io.
- #======================================================================
- # Subdir libraries.
- 
--GSM610_libgsm_la_SOURCES = GSM610/config.h GSM610/gsm.h GSM610/gsm610_priv.h \
--		GSM610/add.c GSM610/code.c GSM610/decode.c GSM610/gsm_create.c \
--		GSM610/gsm_decode.c GSM610/gsm_destroy.c GSM610/gsm_encode.c \
--		GSM610/gsm_option.c GSM610/long_term.c GSM610/lpc.c GSM610/preprocess.c \
--		GSM610/rpe.c GSM610/short_term.c GSM610/table.c
--
- G72x_libg72x_la_SOURCES = G72x/g72x.h G72x/g72x_priv.h \
- 		G72x/g721.c G72x/g723_16.c G72x/g723_24.c G72x/g723_40.c G72x/g72x.c
- 
diff --git a/libsndfile.spec b/libsndfile.spec
index faf83ad..195fd8f 100644
--- a/libsndfile.spec
+++ b/libsndfile.spec
@@ -1,20 +1,19 @@
 Name: libsndfile
 Version: 1.0.28
-Release: 16
+Release: 17
 Summary: Library for reading and writing sound files
 License: LGPLv2+ and GPLv2+ and BSD
 URL: http://www.mega-nerd.com/libsndfile/
 Source0: http://www.mega-nerd.com/libsndfile/files/libsndfile-%{version}.tar.gz
 
-BuildRequires: alsa-lib-devel gcc gcc-c++ flac-devel gsm-devel
+BuildRequires: alsa-lib-devel gcc gcc-c++ flac-devel
 BuildRequires: libogg-devel libtool libvorbis-devel pkgconfig
 BuildRequires: sqlite-devel
 
-Patch0:		libsndfile-1.0.25-system-gsm.patch
-Patch1:		libsndfile-1.0.25-zerodivfix.patch
-Patch2:		libsndfile-1.0.28-flacbufovfl.patch
-Patch3:		libsndfile-1.0.29-cve2017_6892.patch
-Patch4:		libsndfile-1.0.28-cve2017_12562.patch
+Patch0:		libsndfile-1.0.25-zerodivfix.patch
+Patch1:		libsndfile-1.0.28-flacbufovfl.patch
+Patch2:		libsndfile-1.0.29-cve2017_6892.patch
+Patch3:		libsndfile-1.0.28-cve2017_12562.patch
 Patch6000:	libsndfile-1.0.28-CVE-2018-13139-CVE-2018-19432.patch
 Patch6001:	libsndfile-1.0.28-src-wav.c-Fix-WAV-Sampler-Chunk-tune-parsing.patch
 Patch6002:	libsndfile-1.0.28-CVE-2018-19758.patch
@@ -49,10 +48,8 @@ Help files for %{name}-utils.
 
 %prep
 %autosetup -n %{name}-%{version} -p1
-rm -r src/GSM610
 
 %build
-autoreconf -I M4 -fiv
 %configure \
 	--disable-dependency-tracking \
 	--enable-sqlite \
@@ -129,6 +126,12 @@ LD_LIBRARY_PATH=$PWD/src/.libs make check
 %{_mandir}/man1/sndfile-salvage.1*
 
 %changelog
+* Fri Jan 10 2020 chenmaodong<chenmaodong@huawei.com> - 1.0.28-17
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:use libgsm inside libsndfile
+
 * Wed Jan 08 2020 chenmaodong<chenmaodong@huawei.com> - 1.0.28-16
 - Type:enhancement
 - ID:NA