diff --git a/llvm16.spec b/llvm16.spec
index 1a441af..0fcf9f6 100644
--- a/llvm16.spec
+++ b/llvm16.spec
@@ -84,7 +84,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:~rc%{rc_ver}}
-Release:	5.0.riscv64%{?dist}
+Release:	5.1.riscv64%{?dist}
 Summary:	The Low Level Virtual Machine
 
 License:	Apache-2.0 WITH LLVM-exception OR NCSA
@@ -333,8 +333,7 @@ export ASMFLAGS=$CFLAGS
 	-DCMAKE_INSTALL_PREFIX=%{install_prefix} \
 	-DLLVM_INSTALL_SPHINX_HTML_DIR=%{_pkgdocdir}/html \
 	-DSPHINX_EXECUTABLE=%{_bindir}/sphinx-build-3 \
-	-DLLVM_INCLUDE_BENCHMARKS=OFF \
-	-DLLVM_UNITTEST_LINK_FLAGS="-Wl,-plugin-opt=O0"
+	-DLLVM_INCLUDE_BENCHMARKS=OFF
 
 # Build libLLVM.so first.  This ensures that when libLLVM.so is linking, there
 # are no other compile jobs running.  This will help reduce OOM errors on the
@@ -581,6 +580,9 @@ fi
 %endif
 
 %changelog
+* Thu Nov 02 2023 David Abdurachmanov <davidlt@rivosinc.com> - 16.0.6-5.1.riscv64
+- Remove -plugin-opt for unittests
+
 * Mon Oct 30 2023 David Abdurachmanov <davidlt@rivosinc.com> - 16.0.6-5.0.riscv64
 - Disable tests on riscv64 for now
 - Lower memory consumption on riscv64