diff --git a/tests/util.py b/tests/util.py
index eefc0149431..967d576fafe 100644
--- a/tests/util.py
+++ b/tests/util.py
@@ -106,7 +106,6 @@ def assert_format(
             minimum_version=minimum_version,
         )
     except Exception as e:
-        text = "non-preview" if mode.preview else "preview"
         raise FormatFailure(
             "Black crashed formatting this case with line-length set to 1."
         ) from e