diff --git a/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names.cpp b/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names.cpp
--- a/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names.cpp
+++ b/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names.cpp
@@ -1,3 +1,4 @@
+// UNSUPPORTED: system-darwin
 // RUN: %clang %target_itanium_abi_host_triple %s -c -o - -gdwarf-4 -Xclang -gsimple-template-names=mangled -Xclang -debug-forward-template-params -std=c++20 \
 // RUN:   | llvm-dwarfdump --verify -
 // RUN: %clang %target_itanium_abi_host_triple %s -c -o - -gdwarf-4 -Xclang -gsimple-template-names=mangled -Xclang -debug-forward-template-params -std=c++20 -gmlt -fdebug-info-for-profiling \
diff --git a/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names_noncanonical_type_units.cpp b/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names_noncanonical_type_units.cpp
--- a/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names_noncanonical_type_units.cpp
+++ b/cross-project-tests/debuginfo-tests/clang_llvm_roundtrip/simplified_template_names_noncanonical_type_units.cpp
@@ -1,3 +1,4 @@
+// UNSUPPORTED: system-darwin
 // RUN: rm -rf %t
 // RUN: split-file %s %t
 // RUN: mkdir %t/incl
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/dex_finish_test/limit_steps_simple.cpp b/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/dex_finish_test/limit_steps_simple.cpp
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/dex_finish_test/limit_steps_simple.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/commands/perfect/dex_finish_test/limit_steps_simple.cpp
@@ -5,7 +5,7 @@
 //      Test using the conditional controller (using \DexLimitSteps).
 //
 // The dbgeng driver doesn't support \DexLimitSteps yet.
-// UNSUPPORTED: system-windows
+// UNSUPPORTED: system-windows, system-darwin
 //
 // RUN: %dexter_regression_test -- %s | FileCheck %s
 // CHECK: limit_steps_simple.cpp