diff --git a/scripts/dev/check_coverage.py b/scripts/dev/check_coverage.py
index c03ffa2df..aa957e3a6 100644
--- a/scripts/dev/check_coverage.py
+++ b/scripts/dev/check_coverage.py
@@ -120,12 +120,7 @@ def check(fileobj, perfect_files):
         assert 0 <= branch_cov <= 100, branch_cov
         assert '\\' not in filename, filename
 
-        # Files without any branches have 0% coverage
-        has_branches = klass.find('./lines/line[@branch="true"]') is not None
-        if branch_cov < 100 and has_branches:
-            is_bad = True
-        else:
-            is_bad = line_cov < 100
+        is_bad = line_cov < 100 or branch_cov < 100
 
         if filename in perfect_files and is_bad:
             messages.append(("{} has {}% line and {}% branch coverage!".format(
diff --git a/tests/unit/scripts/test_check_coverage.py b/tests/unit/scripts/test_check_coverage.py
index 26fc6bdf1..e9df9644c 100644
--- a/tests/unit/scripts/test_check_coverage.py
+++ b/tests/unit/scripts/test_check_coverage.py
@@ -126,7 +126,7 @@ def test_untested(covtest):
             pass
     """)
     covtest.run()
-    expected = 'module.py has 75.0% line and 0.0% branch coverage!'
+    expected = 'module.py has 75.0% line and 100.0% branch coverage!'
     assert covtest.check() == [expected]