diff --git a/pcl.spec b/pcl.spec
index f66f236926c444c36cea4d31bb57dfd7d7079277..841c4e022f2308630dc5366fea812d48a43cfb0e 100644
--- a/pcl.spec
+++ b/pcl.spec
@@ -3,7 +3,7 @@
 
 Name:           pcl
 Version:        1.12.1
-Release:        1
+Release:        2
 Summary:        Library for point cloud processing
 License:        BSD
 URL:            http://pointclouds.org/
@@ -23,7 +23,7 @@ BuildRequires:  doxygen, graphviz
 
 # mandatory
 #BuildRequires:  eigen3-static, flann-devel, vtk-devel, gl2ps-devel, hdf5-devel, libxml2-devel, netcdf-cxx-devel, jsoncpp-devel, metslib-static, libXext-devel
-BuildRequires:  eigen3-static, flann-devel, gl2ps-devel, hdf5-devel, libxml2-devel, netcdf-devel, jsoncpp-devel, metslib-static, libXext-devel, flann-static
+BuildRequires:  eigen3-static, flann-devel, gl2ps-devel, hdf5-devel, libxml2-devel, jsoncpp-devel, metslib-static, libXext-devel, flann-static
 BuildRequires:  texlive-latex
 
 # To fix Imported target "VTK::Java" includes non-existent path "/usr/lib/jvm/java/include" in its INTERFACE_INCLUDE_DIRECTORIES
@@ -158,5 +158,8 @@ make test || true
 %doc %{_datadir}/doc
 
 %changelog
+* Mon Sep 11 2023 will_niutao <niutao2@huawei.com> - 1.12.1-2
+- delete unused build require
+
 * Fri Apr 28 2023 will_niutao <niutao2@huawei.com> - 1.12.1-1
 - init package for openEuler