diff --git a/lldb/test/API/functionalities/bt-interrupt/TestInterruptBacktrace.py b/lldb/test/API/functionalities/bt-interrupt/TestInterruptBacktrace.py
index 9e57e9271bd46..dc99538a742f8 100644
--- a/lldb/test/API/functionalities/bt-interrupt/TestInterruptBacktrace.py
+++ b/lldb/test/API/functionalities/bt-interrupt/TestInterruptBacktrace.py
@@ -12,6 +12,7 @@
 class TestInterruptingBacktrace(TestBase):
     NO_DEBUG_INFO_TESTCASE = True
 
+    @expectedFailureAll(oslist=["windows"], archs=["aarch64"])
     @skipIf(oslist=["linux"], archs=["arm$"])
     def test_backtrace_interrupt(self):
         """Use RequestInterrupt followed by stack operations
diff --git a/lldb/test/API/python_api/hello_world/TestHelloWorld.py b/lldb/test/API/python_api/hello_world/TestHelloWorld.py
index da540d3e016bb..e7b5c04d54fec 100644
--- a/lldb/test/API/python_api/hello_world/TestHelloWorld.py
+++ b/lldb/test/API/python_api/hello_world/TestHelloWorld.py
@@ -69,6 +69,7 @@ def test_with_process_launch_api(self):
         # The breakpoint should have a hit count of 1.
         self.assertEqual(breakpoint.GetHitCount(), 1, BREAKPOINT_HIT_ONCE)
 
+    @expectedFailureAll(oslist=["windows"], archs=["aarch64"])
     @skipIfiOSSimulator
     def test_with_attach_to_process_with_id_api(self):
         """Create target, spawn a process, and attach to it with process id."""
@@ -99,6 +100,7 @@ def test_with_attach_to_process_with_id_api(self):
             stacktraces, exe=False, substrs=["main.c:%d" % self.line2, "(int)argc=2"]
         )
 
+    @expectedFailureAll(oslist=["windows"], archs=["aarch64"])
     @skipIfiOSSimulator
     @skipIfAsan  # FIXME: Hangs indefinitely.
     def test_with_attach_to_process_with_name_api(self):