diff --git a/rust-zram-generator.spec b/rust-zram-generator.spec
index a09467e7aa0f13bd135aa848fc3299e783f28a81..cbcbb4ef6528a2cae7404488df648a6cfaa34855 100644
--- a/rust-zram-generator.spec
+++ b/rust-zram-generator.spec
@@ -3,7 +3,7 @@
 
 Name:         rust-%{crate}
 Version:      1.1.2
-Release:      1
+Release:      2
 Summary:      Systemd unit generator for zram swap devices
 
 License:        MIT
@@ -38,13 +38,6 @@ BuildArch:      noarch
 %description -n %{crate}-defaults
 %{summary}.
 
-%package        devel
-Summary:        %{summary}
-
-%description    devel %{_description}
-This package contains library source intended for building other packages
-which use "%{crate}" crate.
-
 %prep
 %autosetup -n %{crate}-%{version} -p1
 cp -a %{S:1} .
@@ -79,6 +72,7 @@ install -Dpm0644 -t %{buildroot}%{?_unitdir} units/systemd-zram-setup@.service
 install -Dpm0644 -t %{buildroot}%{_prefix}/lib/systemd %{SOURCE1}
 install -Dpm0644 -t %{buildroot}%{_mandir}/man8 man/zram-generator.8
 install -Dpm0644 -t %{buildroot}%{_mandir}/man5 man/zram-generator.conf.5
+rm -rf  %{buildroot}%{cargo_registry}/%{crate}-%{version}
 
 %files       -n %{crate}
 %license LICENSE
@@ -92,12 +86,10 @@ install -Dpm0644 -t %{buildroot}%{_mandir}/man5 man/zram-generator.conf.5
 %files       -n %{crate}-defaults
 %{_prefix}/lib/systemd/zram-generator.conf
 
-%files          devel
-%license LICENSE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version}
-
 %changelog
+* Thu Sep 8 2022 duyiwei <duyiwei@kylinos.cn> - 1.1.2-2
+- remove useless subpackage zram-generator-devel
+
 * Tue Jul 19 2022 duyiwei <duyiwei@kylinos.cn> - 1.1.2-1
 - upgrade to 1.1.2