diff --git a/llvm-runtimes/libunwind/libunwind-22.0.0.9999.ebuild b/llvm-runtimes/libunwind/libunwind-22.0.0.9999.ebuild
index 5e8131829d643..1aba2f538f519 100644
--- a/llvm-runtimes/libunwind/libunwind-22.0.0.9999.ebuild
+++ b/llvm-runtimes/libunwind/libunwind-22.0.0.9999.ebuild
@@ -94,9 +94,10 @@ multilib_src_configure() {
 		-DLIBUNWIND_INCLUDE_TESTS=$(usex test)
 		-DLIBUNWIND_INSTALL_HEADERS=ON
 
-		# support non-native unwinding; given it's small enough,
-		# enable it unconditionally
-		-DLIBUNWIND_ENABLE_CROSS_UNWINDING=ON
+		# cross-unwinding increases unwinding footprint (to account
+		# for the worst case) and causes some breakage on AArch64
+		# https://github.com/llvm/llvm-project/issues/152549
+		-DLIBUNWIND_ENABLE_CROSS_UNWINDING=OFF
 
 		# avoid dependency on libgcc_s if compiler-rt is used
 		-DLIBUNWIND_USE_COMPILER_RT=${use_compiler_rt}