diff --git a/llvm11.spec b/llvm11.spec
index ac0fe4b..540a27d 100644
--- a/llvm11.spec
+++ b/llvm11.spec
@@ -11,7 +11,7 @@
 %global llvm_libdir %{_libdir}/%{name}
 %global build_llvm_libdir %{buildroot}%{llvm_libdir}
 #global rc_ver 2
-%global baserelease 16
+%global baserelease 11
 %global llvm_srcdir llvm-%{version}%{?rc_ver:rc%{rc_ver}}.src
 %global maj_ver 11
 %global min_ver 1
@@ -65,7 +65,6 @@ Patch3:		0001-SystemZ-Assign-the-full-space-for-promoted-and-split.patch
 Patch4:		0001-MemCpyOpt-Correctly-merge-alias-scopes-during-call-s.patch
 Patch5:		gcc12.patch
 Patch6:		typename.patch
-Patch7:		test-go-py-pipes.patch
 
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
@@ -562,21 +561,6 @@ fi
 %endif
 
 %changelog
-* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 11.1.0-16
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 11.1.0-15
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 11.1.0-14
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
-* Thu Jan 25 2024 Fedora Release Engineering <releng@fedoraproject.org> - 11.1.0-13
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
-
-* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 11.1.0-12
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
-
 * Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 11.1.0-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
 
diff --git a/test-go-py-pipes.patch b/test-go-py-pipes.patch
deleted file mode 100644
index d7b2c37..0000000
--- a/test-go-py-pipes.patch
+++ /dev/null
@@ -1,18 +0,0 @@
---- a/llvm-13.0.1.src/test/Bindings/Go/lit.local.cfg	2022-01-21 05:31:59.000000000 +0800
-+++ b/llvm-13.0.1.src/test/Bindings/Go/lit.local.cfg	2024-07-19 21:33:42.775023065 +0800
-@@ -1,5 +1,4 @@
- import os
--import pipes
- import shlex
- import sys
- 
-@@ -56,7 +55,7 @@
-     except (AttributeError, OSError):
-         pass
- 
--    return ' '.join([pipes.quote(arg) for arg in args])
-+    return ' '.join([shlex.quote(arg) for arg in args])
- 
- config.environment['CC'] = fixup_compiler_path(config.host_cc)
- config.environment['CXX'] = fixup_compiler_path(config.host_cxx)
-