diff --git a/poky/meta/lib/oeqa/selftest/cases/wic.py b/poky/meta/lib/oeqa/selftest/cases/wic.py
index 928c476..fcdd550 100644
--- a/poky/meta/lib/oeqa/selftest/cases/wic.py
+++ b/poky/meta/lib/oeqa/selftest/cases/wic.py
@@ -684,11 +684,10 @@
     @only_for_arch(['i586', 'i686', 'x86_64'])
     def test_biosplusefi_plugin_qemu(self):
         """Test biosplusefi plugin in qemu"""
-        for fstype in ("ext4", "wic"):
-            config = 'IMAGE_FSTYPES = "%s"\nWKS_FILE = "test_biosplusefi_plugin.wks"\nMACHINE_FEATURES_append = " efi"\n' % fstype
-            self.append_config(config)
-            self.assertEqual(0, bitbake('core-image-minimal').status)
-            self.remove_config(config)
+        config = 'IMAGE_FSTYPES = "wic"\nWKS_FILE = "test_biosplusefi_plugin.wks"\nMACHINE_FEATURES_append = " efi"\n'
+        self.append_config(config)
+        self.assertEqual(0, bitbake('core-image-minimal').status)
+        self.remove_config(config)
 
         with runqemu('core-image-minimal', ssh=False, image_fstype='wic') as qemu:
             # Check that we have ONLY two /dev/sda* partitions (/boot and /)
@@ -722,11 +721,10 @@
         # If an image hasn't been built yet, directory ${STAGING_DATADIR}/syslinux won't exists and _get_bootimg_dir()
         #   will raise with "Couldn't find correct bootimg_dir"
         # The easiest way to work-around this issue is to make sure we already built an image here, hence the bitbake call
-        for fstype in ("ext4", "wic"):
-            config = 'IMAGE_FSTYPES = "%s"\nWKS_FILE = "test_biosplusefi_plugin.wks"\nMACHINE_FEATURES_append = " efi"\n' % fstype
-            self.append_config(config)
-            self.assertEqual(0, bitbake('core-image-minimal').status)
-            self.remove_config(config)
+        config = 'IMAGE_FSTYPES = "wic"\nWKS_FILE = "test_biosplusefi_plugin.wks"\nMACHINE_FEATURES_append = " efi"\n'
+        self.append_config(config)
+        self.assertEqual(0, bitbake('core-image-minimal').status)
+        self.remove_config(config)
 
         img = 'core-image-minimal'
         with NamedTemporaryFile("w", suffix=".wks") as wks: