diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
index 3d46ed7..de8ea15 100755
--- a/tests/qemu-iotests/041
+++ b/tests/qemu-iotests/041
@@ -167,6 +167,9 @@
                         'target image does not match source after mirroring')
 
     def test_medium_not_found(self):
+        if iotests.qemu_default_machine != 'pc':
+            return
+
         result = self.vm.qmp('drive-mirror', device='ide1-cd0', sync='full',
                              target=target_img)
         self.assert_qmp(result, 'error/class', 'GenericError')
@@ -831,6 +834,9 @@
         if not self.has_quorum():
             return
 
+        if iotests.qemu_default_machine != 'pc':
+            return
+
         result = self.vm.qmp('drive-mirror', device='ide1-cd0', sync='full',
                              node_name='repair0',
                              replaces='img1',
diff --git a/tests/qemu-iotests/055 b/tests/qemu-iotests/055
index 017a609..e6e0ac4 100755
--- a/tests/qemu-iotests/055
+++ b/tests/qemu-iotests/055
@@ -104,11 +104,17 @@
         self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
 
     def test_medium_not_found(self):
+        if iotests.qemu_default_machine != 'pc':
+            return
+
         result = self.vm.qmp('drive-backup', device='ide1-cd0',
                              target=target_img, sync='full')
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_medium_not_found_blockdev_backup(self):
+        if iotests.qemu_default_machine != 'pc':
+            return
+
         result = self.vm.qmp('blockdev-backup', device='ide1-cd0',
                              target='drive1', sync='full')
         self.assert_qmp(result, 'error/class', 'GenericError')
@@ -323,6 +329,9 @@
         self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
 
     def do_test_medium_not_found(self, cmd, target):
+        if iotests.qemu_default_machine != 'pc':
+            return
+
         result = self.vm.qmp('transaction', actions=[{
                 'type': cmd,
                 'data': { 'device': 'ide1-cd0',