diff --git a/libid3tag-0.15.1b-gperf-size_t.patch b/libid3tag-0.15.1b-gperf-size_t.patch
deleted file mode 100644
index 588bde9c3d41c04c7ea1101decc0417b2cbad9be..0000000000000000000000000000000000000000
--- a/libid3tag-0.15.1b-gperf-size_t.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-Index: libid3tag-0.15.1b/frametype.h
-===================================================================
---- libid3tag-0.15.1b.orig/frametype.h
-+++ libid3tag-0.15.1b/frametype.h
-@@ -37,6 +37,6 @@ extern struct id3_frametype const id3_fr
- extern struct id3_frametype const id3_frametype_obsolete;
- 
- struct id3_frametype const *id3_frametype_lookup(register char const *,
--						 register unsigned int);
-+						 register size_t);
- 
- # endif
-Index: libid3tag-0.15.1b/compat.h
-===================================================================
---- libid3tag-0.15.1b.orig/compat.h
-+++ libid3tag-0.15.1b/compat.h
-@@ -34,7 +34,7 @@ struct id3_compat {
- };
- 
- struct id3_compat const *id3_compat_lookup(register char const *,
--					   register unsigned int);
-+					   register size_t);
- 
- int id3_compat_fixup(struct id3_tag *);
- 
diff --git a/libid3tag.spec b/libid3tag.spec
index 6b4130c8905817ce9d011b05ccbf67c5388d3b41..30b9a3dd5988a87d7dd76ee65cf747c6939fad3d 100644
--- a/libid3tag.spec
+++ b/libid3tag.spec
@@ -1,15 +1,14 @@
 Name:           libid3tag
 Version:        0.15.1b
-Release:        21
+Release:        20
 Summary:        ID3 tag manipulation library
 License:        GPLv2+
 URL:            http://www.underbit.com/products/mad/
 Source0:        http://downloads.sourceforge.net/mad/%{name}-%{version}.tar.gz
 Patch0:         libid3tag-0.15.1b-fix_overflow.patch
-Patch1:         libid3tag-0.15.1b-gperf-size_t.patch
 Patch6000:      CVE-2004-2779.patch
 Patch6001:      CVE-2017-11550.patch
-BuildRequires:  zlib-devel >= 1.1.4 libtool gperf
+BuildRequires:  zlib-devel >= 1.1.4 libtool
 
 %description
 libid3tag is a library for reading and (eventually) writing ID3 tags,
@@ -25,11 +24,9 @@ ID3 tag library development files.
 %prep
 %setup -q
 %patch0 -p0 -b .CVE-2008-2109
-%patch1 -p1
 %patch6000 -p1
 %patch6001 -p1
 touch NEWS AUTHORS ChangeLog
-rm compat.c frametype.c
 autoreconf -i -f
 
 # *.pc originally from the Debian package.
@@ -74,9 +71,6 @@ install -Dpm 644 %{name}.pc $RPM_BUILD_ROOT%{_libdir}/pkgconfig/id3tag.pc
 
 
 %changelog
-* Mon Mar 23 2020 daiqianwen<daiqianwen@huawei.com> - 0.15.1b-21
-- Add gperf for imlib2 package build failed.
-
 * Fri Mar 20 2020 lingsheng<lingsheng@huawei.com> - 0.15.1b-20
 - Type:cves
 - ID:CVE-2017-11550